FPUS55 KTFX 211627 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 1027 AM MDT Thu May 21 2026 Spot temperatures and probabilities of measurable precipitation are for the rest of today, tonight, and Friday. MTZ301-212200- East Glacier Park Region- Including the cities of East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Not as cool. Mostly sunny. Highs 46 to 56. Northwest winds 5 to 10 mph with gusts to around 25 mph. .TONIGHT...Mostly cloudy. Lows 32 to 38. Southwest winds up to 10 mph. .FRIDAY...Not as cool. Mostly sunny. Highs 50 to 62. West winds 5 to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows 36 to 42. Southwest winds 5 to 10 mph. .SATURDAY...Warmer, sunny. Highs 55 to 67. Southwest winds 5 to 20 mph. Gusts up to 35 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 42 to 48. .SUNDAY...Windy, sunny. Highs 55 to 67. .SUNDAY NIGHT...Breezy. Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain after midnight. Lows 40 to 46. .MEMORIAL DAY...Breezy. Mostly sunny. Chance of rain in the morning, then slight chance of rain in the afternoon. Highs 53 to 65. Chance of rain 40 percent. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then chance of rain and snow after midnight. Lows 39 to 45. Chance of precipitation 50 percent. .TUESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 49 to 59. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. Rain likely in the evening, then chance of rain after midnight. Lows 37 to 43. Chance of rain 60 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 48 to 58. Chance of precipitation 50 percent. $$ MTZ307-212200- Southern Rocky Mountain Front- Including the city of Rogers Pass 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Slight chance of rain showers and snow showers early in the afternoon. Slight chance of rain showers late in the afternoon. Highs 43 to 53. North winds up to 10 mph with gusts to around 25 mph. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 28 to 34. West winds up to 5 mph. Gusts up to 20 mph in the evening. .FRIDAY...Not as cool. Mostly sunny. Highs 49 to 61. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows 33 to 39. West winds up to 10 mph. .SATURDAY...Warmer, sunny. Highs 54 to 68. Southwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 38 to 44. .SUNDAY...Sunny. Highs 55 to 69. .SUNDAY NIGHT...Partly cloudy. Lows 38 to 44. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs 58 to 70. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows 39 to 45. .TUESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 52 to 62. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows 37 to 43. Chance of precipitation 60 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 49 to 59. Chance of precipitation 50 percent. $$ MTZ302-212200- Northern High Plains- Including the cities of Browning, Heart Butte, and Dupuyer 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Highs in the upper 50s. Northwest winds 10 to 20 mph. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. West winds up to 10 mph. .FRIDAY...Mostly sunny. Highs in the mid 60s. West winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the lower 40s. West winds 5 to 10 mph. .SATURDAY...Sunny. Highs in the lower 70s. West winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Breezy. Partly cloudy. Lows in the upper 40s. Highs 68 to 74. .MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .TUESDAY THROUGH WEDNESDAY...Breezy. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs in the lower 60s. Lows in the lower 40s. Chance of precipitation 50 percent. $$ MTZ308-212200- Southern High Plains- Including the cities of Bynum, Choteau, and Pendroy 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Highs in the upper 50s. North winds 5 to 15 mph. .TONIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph. .FRIDAY...Mostly sunny. Highs in the upper 60s. Southwest winds up to 5 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the lower 40s. West winds up to 10 mph. .SATURDAY...Sunny. Highs in the mid 70s. Southwest winds up to 10 mph. Gusts up to 25 mph in the afternoon. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs in the upper 70s. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s. .TUESDAY...Cooler. Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 50 percent. $$ MTZ303-212200- Eastern Glacier, Western Toole, and Central Pondera- Including the cities of Cut Bank, Ethridge, and Santa Rita 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Highs around 60. Northwest winds 10 to 20 mph. .TONIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .FRIDAY...Partly sunny. Highs in the upper 60s. Southwest winds up to 5 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the lower 40s. Southwest winds up to 10 mph. .SATURDAY...Sunny. Highs in the mid 70s. Southwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Breezy. Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. .MEMORIAL DAY...Partly sunny. Highs in the mid 70s. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows in the mid 40s. .TUESDAY...Breezy. Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Windy. Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. .WEDNESDAY...Breezy. Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Cut Bank 60 35 68 / 10 0 20 $$ MTZ304-212200- Eastern Toole and Liberty- Including the cities of Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs around 60. Northwest winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 10 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs in the upper 60s. South winds up to 5 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 40s. South winds up to 10 mph. .SATURDAY...Sunny. Highs in the upper 70s. Southwest winds up to 10 mph. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs 76 to 83. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s. .TUESDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 76. Chance of precipitation 30 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 66 to 72. Chance of precipitation 40 percent. $$ MTZ305-212200- Hill County- Including the city of Havre 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 60s. Northwest winds 10 to 15 mph. .TONIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs around 70. South winds up to 5 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. South winds up to 10 mph. .SATURDAY...Sunny. Highs in the upper 70s. Southwest winds up to 15 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 80s. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Lows in the lower 50s. Chance of rain 30 percent. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .TUESDAY NIGHT...Breezy. Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s. .WEDNESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Havre 62 35 72 / 20 10 0 $$ MTZ306-212200- Northern Blaine County- Including the cities of Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs around 60. Northwest winds 10 to 15 mph. .TONIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 10 mph. .FRIDAY...Sunny. Highs in the upper 60s. Northwest winds up to 5 mph shifting to the southwest in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southeast winds up to 10 mph. .SATURDAY...Sunny. Highs in the upper 70s. South winds up to 15 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 80s. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain in the evening, then mostly cloudy after midnight. Lows in the lower 50s. .TUESDAY...Breezy. Mostly sunny. Highs in the lower 80s. .TUESDAY NIGHT...Breezy. Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Lows in the lower 50s. Chance of rain 50 percent. .WEDNESDAY...Breezy. Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 40 percent. $$ MTZ309-212200- Eastern Pondera and Eastern Teton- Including the cities of Brady, Conrad, and Ledger 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Highs around 60. Northwest winds 5 to 15 mph. .TONIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 5 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs around 70. Southwest winds up to 5 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows around 40. Southwest winds up to 5 mph. .SATURDAY...Sunny. Highs in the upper 70s. Southwest winds up to 10 mph. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 80s. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Lows in the upper 40s. Chance of rain 30 percent. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 40 percent. $$ MTZ310-212200- Western and Central Chouteau County- Including the cities of Floweree, Carter, and Fort Benton 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Highs around 60. Northwest winds 5 to 15 mph. .TONIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs around 70. Southwest winds up to 5 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. South winds up to 10 mph. .SATURDAY...Sunny. Highs in the upper 70s. Southwest winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 40s. .SUNDAY THROUGH MEMORIAL DAY...Partly cloudy. Highs in the lower 80s. Lows in the upper 40s. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Lows in the lower 50s. Chance of rain 40 percent. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 20 percent. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the upper 40s. Highs in the lower 70s. Chance of precipitation 50 percent. $$ MTZ311-212200- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs 55 to 61. Northwest winds 10 to 15 mph. .TONIGHT...Mostly clear. Lows in the upper 30s. Northwest winds up to 10 mph. .FRIDAY...Warmer. Mostly sunny. Highs 64 to 70. Northwest winds up to 5 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southeast winds up to 10 mph. .SATURDAY...Warmer, sunny. Highs 72 to 78. Southwest winds up to 10 mph. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 50s. Highs 77 to 83. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain after midnight. Lows in the lower 50s. .MEMORIAL DAY...Mostly sunny. Highs 80 to 86. .MONDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 50s. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 75 to 81. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the lower 50s. .WEDNESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 76. Chance of precipitation 50 percent. $$ MTZ312-212200- Cascade County below 5000ft- Including the city of Great Falls 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. A 20 percent chance of rain showers early in the afternoon. Highs in the upper 50s. Northwest winds 5 to 15 mph. .TONIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs in the upper 60s. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. South winds up to 10 mph. .SATURDAY...Warmer, sunny. Highs 73 to 79. Southwest winds up to 15 mph. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the lower 50s. Highs around 80. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Lows in the lower 50s. Chance of rain 30 percent. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the upper 40s. Chance of precipitation 60 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Great Falls Arpt 59 37 69 / 10 0 10 $$ MTZ313-212200- Judith Basin County and Judith Gap- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Slight chance of rain showers in the late morning and early afternoon, then slight chance of thunderstorms late in the afternoon. Highs in the mid 50s. Northwest winds 10 to 20 mph. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy. Lows in the mid 30s. West winds up to 10 mph. Gusts up to 25 mph in the evening. .FRIDAY...Mostly sunny. Highs in the mid 60s. West winds up to 5 mph shifting to the north in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. East winds up to 5 mph shifting to the southwest after midnight. .SATURDAY...Sunny. Highs in the lower 70s. Southwest winds up to 10 mph shifting to the west with gusts to around 25 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the upper 40s. .SUNDAY THROUGH MEMORIAL DAY...Partly cloudy. Highs in the upper 70s. Lows in the upper 40s. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows around 50. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 20 percent. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the upper 40s. Highs in the upper 60s. Chance of precipitation 50 percent. $$ MTZ314-212200- Fergus County below 4500ft- Including the cities of Hilger and Lewistown 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly cloudy. A 20 percent chance of rain showers early in the afternoon. Highs 55 to 61. Northwest winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph. Gusts up to 25 mph in the evening. .FRIDAY...Mostly sunny. Highs in the upper 60s. West winds up to 5 mph shifting to the north in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. East winds up to 5 mph shifting to the south after midnight. .SATURDAY...Warmer, sunny. Highs 73 to 79. Southwest winds up to 10 mph. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 40s. Highs 78 to 84. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. .MEMORIAL DAY...Sunny. Highs 81 to 87. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the lower 50s. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 75 to 81. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 48 to 54. Highs 70 to 76. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Lewistown 54 33 64 / 20 10 10 $$ MTZ315-212200- Upper Blackfoot and MacDonald Pass- Including the cities of Marysville, Lincoln, Flesher Pass, and MacDonald Pass 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Highs 46 to 56. North winds up to 10 mph. .TONIGHT...Partly cloudy. Lows in the lower 30s. Northwest winds up to 5 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 54 to 64. West winds up to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. Northwest winds up to 5 mph with gusts to around 20 mph shifting to the southwest after midnight. .SATURDAY...Warmer, sunny. Highs 61 to 71. Southwest winds up to 5 mph shifting to the west 5 to 15 mph in the afternoon. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the mid 40s. Highs 63 to 74. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows in the mid 40s. .TUESDAY...Partly sunny. Chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs 57 to 65. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 54 to 62. Chance of precipitation 50 percent. $$ MTZ316-212200- Gates of the Mountains- Including the cities of Canyon Creek, Wolf Creek, and Craig 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly sunny. Highs 51 to 59. North winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 5 mph shifting to the southwest after midnight. .FRIDAY...Warmer. Mostly sunny. Highs 61 to 69. South winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. Northwest winds up to 5 mph shifting to the southwest after midnight. .SATURDAY...Warmer, sunny. Highs 68 to 76. Southwest winds up to 15 mph. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs 71 to 80. .MONDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Lows in the upper 40s. .TUESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 64 to 70. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. Rain likely in the evening, then chance of rain after midnight. Lows in the mid 40s. Chance of rain 60 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 59 to 67. Chance of precipitation 50 percent. $$ MTZ317-212200- Little Belt and Highwood Mountains- Including the cities of Monarch, Neihart, and Kings Hill Pass 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly cloudy in the late morning and early afternoon then becoming mostly sunny. Slight chance of rain showers and snow showers late in the morning, then chance of snow showers and slight chance of thunderstorms in the afternoon. Highs 43 to 51. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 40 percent. .TONIGHT...Mostly clear. Lows 29 to 35. Northwest winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 54 to 62. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows 35 to 43. West winds up to 10 mph shifting to the south after midnight. .SATURDAY...Warmer, sunny. Highs 61 to 69. Southwest winds up to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 41 to 49. .SUNDAY THROUGH MEMORIAL DAY...Partly cloudy. Highs 66 to 75. Lows 43 to 51. .MONDAY NIGHT...Partly cloudy. Chance of rain and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows 45 to 51. Chance of precipitation 30 percent. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs 62 to 68. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows 42 to 48. Chance of precipitation 60 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 58 to 64. Chance of precipitation 60 percent. $$ MTZ318-212200- Snowy and Judith Mountains- 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly cloudy. Slight chance of snow showers late in the morning. Slight chance of rain showers through the day. Chance of snow showers early in the afternoon. Highs 44 to 52. Northwest winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 30 percent. .TONIGHT...Partly cloudy. Lows in the lower 30s. West winds up to 10 mph. Gusts up to 30 mph in the evening. .FRIDAY...Not as cool. Mostly sunny. Highs 55 to 63. Northwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northeast winds up to 5 mph shifting to the south after midnight. .SATURDAY...Warmer, sunny. Highs 63 to 71. Southwest winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs 69 to 77. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .MEMORIAL DAY...Sunny. Highs 72 to 80. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows around 50. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 67 to 73. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the upper 40s. Highs 62 to 68. Chance of precipitation 50 percent. $$ MTZ319-212200- Helena Valley- Including the city of Helena 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly sunny. Highs around 60. North winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 5 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs in the upper 60s. Southeast winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows around 40. Northeast winds up to 5 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs in the mid 70s. South winds up to 5 mph shifting to the west in the afternoon. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the mid 40s. Highs in the lower 80s. .MONDAY NIGHT...Mostly cloudy with slight chance of rain in the evening, then partly cloudy with chance of rain after midnight. Lows in the mid 40s. Chance of rain 30 percent. .TUESDAY...Cooler. Partly sunny. Slight chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Helena 60 36 68 / 10 0 10 $$ MTZ320-212200- Big Belt, Bridger and Castle Mountains- Including the cities of Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly cloudy in the late morning and early afternoon then becoming mostly sunny. Chance of rain showers in the late morning and early afternoon. Chance of snow showers through the day. Slight chance of thunderstorms in the afternoon. Highs 43 to 53. North winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .TONIGHT...Mostly clear. Lows 29 to 35. North winds up to 10 mph shifting to the west after midnight. Gusts up to 25 mph. .FRIDAY...Not as cool. Mostly sunny. Highs 52 to 62. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph shifting to the southeast after midnight. .SATURDAY...Warmer, sunny. Highs 60 to 70. Southwest winds up to 15 mph. Gusts up to 35 mph in the afternoon. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 40s. Highs 65 to 75. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .MEMORIAL DAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 68 to 76. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 61 to 71. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Partly sunny. Slight chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs 57 to 67. Chance of precipitation 50 percent. $$ MTZ321-212200- Meagher County Valleys- Including the cities of Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Slight chance of rain showers and snow showers late in the morning. Chance of rain showers early in the afternoon. Slight chance of thunderstorms in the afternoon. Highs in the lower 50s. North winds 5 to 15 mph. Chance of precipitation 40 percent. .TONIGHT...Mostly clear. Lows in the lower 30s. Northwest winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight. .FRIDAY...Mostly sunny. Highs in the lower 60s. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs in the upper 60s. Southwest winds up to 5 mph shifting to the west 5 to 15 mph with gusts to around 30 mph in the afternoon. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. .MEMORIAL DAY...Sunny. Highs in the mid 70s. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the mid 40s. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Slight chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 50 percent. $$ MTZ322-212200- Elkhorn and Boulder Mountains- Including the cities of Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly cloudy late in the morning then becoming mostly sunny. Highs 44 to 54. North winds 5 to 15 mph with gusts to around 35 mph. .TONIGHT...Partly cloudy. Lows 29 to 35. North winds up to 5 mph with gusts to around 25 mph shifting to the west after midnight. .FRIDAY...Not as cool. Partly sunny. Highs 53 to 63. South winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows 35 to 41. North winds up to 5 mph with gusts to around 20 mph shifting to the southwest after midnight. .SATURDAY...Warmer, sunny. Highs 61 to 71. Southwest winds up to 5 mph shifting to the west 5 to 15 mph in the afternoon. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 41 to 47. Highs 65 to 75. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows 42 to 48. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 66 to 76. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows 42 to 48. Chance of precipitation 40 percent. .TUESDAY...Partly sunny. Slight chance of rain and snow in the morning, then chance of thunderstorms in the afternoon. Highs 59 to 67. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then chance of rain and snow after midnight. Lows 39 to 45. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of thunderstorms in the afternoon. Highs 56 to 64. Chance of precipitation 50 percent. $$ MTZ323-212200- Canyon Ferry Area- Including the cities of Toston, Townsend, and Winston 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly sunny. A 20 percent chance of rain showers late in the morning. Highs in the mid 50s. North winds 10 to 20 mph with gusts to around 35 mph. .TONIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 10 mph shifting to the southeast after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. South winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. East winds up to 5 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs in the lower 70s. South winds up to 10 mph. Gusts up to 25 mph in the afternoon. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Highs in the upper 70s. .MEMORIAL DAY...Sunny. Highs in the upper 70s. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Partly sunny. Slight chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 40 percent. $$ MTZ324-212200- Missouri Headwaters- Including the cities of Harrison, Three Forks, Willow Creek, Pony, and Whitehall 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Chance of rain showers late in the morning, then slight chance of thunderstorms early in the afternoon. Highs in the mid 50s. North winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .TONIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 5 mph shifting to the southwest after midnight. .FRIDAY...Partly sunny. Highs in the mid 60s. Southwest winds up to 5 mph shifting to the southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows around 40. East winds up to 5 mph with gusts to around 20 mph shifting to the southwest after midnight. .SATURDAY...Sunny. Highs in the mid 70s. Southwest winds up to 5 mph increasing to 5 to 15 mph in the afternoon. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs in the upper 70s. .MEMORIAL DAY...Sunny. Highs around 80. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50 percent. $$ MTZ325-212200- Madison River Valley- Including the cities of Cameron, Ennis, Jeffers, McAllister, and Norris 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Breezy. Mostly cloudy with chance of rain showers and snow showers late in the morning, then mostly sunny with slight chance of thunderstorms in the afternoon. Highs in the lower 50s. North winds 10 to 25 mph. Chance of precipitation 50 percent. .TONIGHT...Partly cloudy. Lows in the lower 30s. North winds up to 5 mph with gusts to around 25 mph shifting to the south after midnight. .FRIDAY...Not as cool. Partly sunny. Highs in the mid 60s. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the upper 30s. South winds up to 10 mph. .SATURDAY...Sunny. Highs in the lower 70s. South winds up to 10 mph shifting to the southwest in the afternoon. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Highs in the upper 70s. .MEMORIAL DAY...Windy, sunny. Highs in the upper 70s. .MONDAY NIGHT...Breezy. Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .TUESDAY...Windy. Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50 percent. $$ MTZ326-212200- Gallatin Valley- Including the cities of Bozeman and Gallatin Gateway 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. Snow showers likely late in the morning. Chance of rain showers in the late morning and early afternoon. Slight chance of thunderstorms in the afternoon. No snow accumulation. Highs in the mid 50s. Northwest winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 70 percent. .TONIGHT...Partly cloudy. Lows in the lower 30s. Northwest winds up to 5 mph with gusts to around 20 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. South winds up to 5 mph shifting to the northwest in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the upper 30s. East winds up to 5 mph shifting to the southeast after midnight. .SATURDAY...Sunny. Highs in the lower 70s. South winds up to 5 mph shifting to the west in the afternoon. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs in the upper 70s. .MEMORIAL DAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 80. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Partly sunny. Slight chance of rain in the morning, then chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 55 30 66 / 60 0 10 Bozeman MSU 52 32 64 / 70 10 10 $$ MTZ330-212200- Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly cloudy in the late morning and early afternoon then becoming mostly sunny. Chance of snow showers and rain showers late in the morning, then slight chance of thunderstorms and snow showers in the afternoon. Highs 37 to 49. North winds 10 to 15 mph with gusts to around 40 mph. Chance of precipitation 50 percent. .TONIGHT...Partly cloudy. Lows 23 to 29. North winds up to 10 mph. Gusts up to 30 mph in the evening. .FRIDAY...Not as cool. Partly sunny. Highs 49 to 59. Southwest winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 31 to 37. South winds up to 10 mph. .SATURDAY...Warmer, sunny. Highs 56 to 68. South winds up to 10 mph shifting to the southwest with gusts to around 30 mph in the afternoon. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 37 to 46. Highs 61 to 73. .MEMORIAL DAY...Breezy, sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 64 to 74. .MONDAY NIGHT...Partly cloudy. Lows 41 to 47. .TUESDAY...Breezy. Mostly sunny. Slight chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 58 to 68. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows 37 to 43. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of thunderstorms in the afternoon. Highs 55 to 65. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 50 22 60 / 50 0 20 $$ MTZ327-212200- Northwest Beaverhead County- Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Mostly sunny. A 20 percent chance of snow showers late in the morning. Highs 45 to 55. North winds 5 to 15 mph. Gusts up to 35 mph decreasing to 25 mph in the afternoon. .TONIGHT...Mostly clear in the evening then becoming mostly cloudy. Lows around 30. Northeast winds up to 10 mph with gusts to around 25 mph. .FRIDAY...Not as cool. Mostly sunny. Highs 52 to 62. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 10 mph shifting to the south after midnight. .SATURDAY...Warmer, sunny. Highs 59 to 69. Southwest winds up to 5 mph with gusts to around 20 mph shifting to the west 5 to 15 mph with gusts to around 30 mph in the afternoon. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the upper 30s. Highs 62 to 72. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 40s. .MEMORIAL DAY...Breezy. Mostly sunny. Highs 62 to 72. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then chance of rain and snow after midnight. Lows 38 to 44. Chance of precipitation 40 percent. .TUESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 65. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of rain and snow after midnight. Lows in the upper 30s. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of thunderstorms in the afternoon. Highs 53 to 63. Chance of precipitation 50 percent. $$ MTZ328-212200- Beaverhead and Western Madison below 6000ft- Including the cities of Bannack, Dillon, Glen, and Waterloo 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Partly sunny. A 20 percent chance of rain showers and snow showers late in the morning. Highs 52 to 58. North winds 10 to 20 mph with gusts to around 35 mph. .TONIGHT...Partly cloudy. Lows in the lower 30s. Northeast winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight. .FRIDAY...Warmer. Mostly sunny. Highs 60 to 66. Southwest winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the upper 30s. North winds up to 10 mph shifting to the south after midnight. .SATURDAY...Warmer, sunny. Highs 69 to 75. South winds up to 5 mph shifting to the southwest 5 to 15 mph with gusts to around 30 mph in the afternoon. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 40s. Highs 73 to 79. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 40s. .MEMORIAL DAY...Breezy. Mostly sunny. Highs 73 to 79. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s. .TUESDAY...Breezy. Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 66 to 72. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of thunderstorms in the afternoon. Highs 64 to 70. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Dillon 56 31 65 / 20 0 10 $$ MTZ329-212200- Ruby Mountains and Southern Beaverhead Mountains- Including the city of Monida Pass 1027 AM MDT Thu May 21 2026 .REST OF TODAY...Breezy. Partly sunny. A 50 percent chance of snow showers late in the morning. Highs 43 to 51. North winds 10 to 25 mph with gusts to around 45 mph. .TONIGHT...Partly cloudy. Lows in the upper 20s. North winds up to 10 mph. Gusts up to 30 mph decreasing to 20 mph after midnight. .FRIDAY...Not as cool. Partly sunny. Highs 52 to 60. Southwest winds up to 10 mph with gusts to around 25 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then clearing. Lows in the mid 30s. Southwest winds up to 10 mph. .SATURDAY...Warmer, sunny. Highs 61 to 69. South winds up to 5 mph increasing to southwest 10 to 15 mph with gusts to around 35 mph in the afternoon. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Breezy. Partly cloudy. Lows in the lower 40s. Highs 65 to 73. .MEMORIAL DAY...Windy, sunny. Highs 65 to 73. .MONDAY NIGHT...Windy. Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s. .TUESDAY...Windy. Partly sunny. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 66. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows in the upper 30s. .WEDNESDAY...Breezy. Partly sunny. Chance of rain and snow in the morning, then chance of thunderstorms in the afternoon. Highs 56 to 64. Chance of precipitation 50 percent. $$