FPUS55 KTWC 172113 ZFPTWC Zone Forecast Product for Southeast Arizona National Weather Service Tucson AZ 212 PM MST Tue Mar 17 2026 AZZ501-181400- Western Pima County- Including Ajo and Organ Pipe Cactus N.M. 212 PM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Mostly clear. Lows 61 to 67. .WEDNESDAY...Sunny. Highs 98 to 103. .WEDNESDAY NIGHT...Mostly clear. Lows 64 to 70. .THURSDAY...Sunny. Highs 102 to 107. .THURSDAY NIGHT...Clear. Lows 66 to 72. .FRIDAY...Sunny. Highs 105 to 110. .FRIDAY NIGHT...Clear. Lows 66 to 72. .SATURDAY...Sunny. Highs 104 to 109. .SATURDAY NIGHT...Clear. Lows 65 to 71. .SUNDAY...Mostly sunny. Highs 97 to 102. .SUNDAY NIGHT...Partly cloudy. Lows 62 to 68. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 92 to 99. Lows 60 to 66. $$ AZZ502-181400- Tohono O'odham Nation- Including Sells 212 PM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Mostly clear. Lows 58 to 66. .WEDNESDAY...Sunny. Highs 94 to 99. .WEDNESDAY NIGHT...Mostly clear. Lows 61 to 69. .THURSDAY...Sunny. Highs 100 to 105. .THURSDAY NIGHT...Clear. Lows 63 to 71. .FRIDAY...Sunny. Highs 101 to 106. .FRIDAY NIGHT...Clear. Lows 65 to 71. .SATURDAY...Sunny. Highs 101 to 106. .SATURDAY NIGHT...Clear. Lows 64 to 70. .SUNDAY...Mostly sunny. Highs 96 to 101. .SUNDAY NIGHT...Partly cloudy. Lows 61 to 67. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 92 to 98. Lows 59 to 65. $$ AZZ503-181400- Upper Santa Cruz River Valley/Altar Valley- Including Nogales 212 PM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 51 to 59. .WEDNESDAY...Sunny. Highs 88 to 94. .WEDNESDAY NIGHT...Mostly clear. Lows 54 to 62. .THURSDAY...Sunny. Highs 94 to 100. .THURSDAY NIGHT...Clear. Lows 56 to 64. .FRIDAY...Sunny. Highs 96 to 102. .FRIDAY NIGHT...Clear. Lows 58 to 64. .SATURDAY...Sunny. Highs 96 to 102. .SATURDAY NIGHT...Clear. Lows 58 to 64. .SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs 88 to 97. Lows 53 to 61. .TUESDAY...Sunny. Highs 87 to 93. $$ AZZ504-181400- Tucson Metro Area- Including Tucson, Green Valley, Marana, and Vail 212 PM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 56 to 62. Northwest wind around 10 mph becoming southeast after midnight. .WEDNESDAY...Sunny. Highs 91 to 97. Southeast wind around 10 mph becoming northeast in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows 59 to 65. North wind around 10 mph becoming southeast after midnight. .THURSDAY...Sunny. Highs 97 to 103. Southeast wind around 10 mph becoming northeast in the afternoon. .THURSDAY NIGHT...Clear. Lows 61 to 67. North wind around 10 mph becoming southeast after midnight. .FRIDAY...Sunny. Highs 98 to 104. .FRIDAY NIGHT...Clear. Lows 62 to 68. .SATURDAY...Sunny. Highs 98 to 104. .SATURDAY NIGHT...Clear. Lows 62 to 68. .SUNDAY...Mostly sunny. Highs 95 to 101. .SUNDAY NIGHT...Partly cloudy. Lows 59 to 65. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 91 to 97. Lows 58 to 64. .TUESDAY...Sunny. Highs 90 to 96. $$ AZZ505-181400- South Central Pinal County- Including Picacho Peak State Park 212 PM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 56 to 64. .WEDNESDAY...Sunny. Highs 93 to 98. .WEDNESDAY NIGHT...Mostly clear. Lows 58 to 66. .THURSDAY...Sunny. Highs 98 to 103. .THURSDAY NIGHT...Clear. Lows 60 to 68. .FRIDAY...Sunny. Highs 100 to 105. .FRIDAY NIGHT...Clear. Lows 62 to 68. .SATURDAY...Sunny. Highs 100 to 105. .SATURDAY NIGHT...Clear. Lows 63 to 69. .SUNDAY...Mostly sunny. Highs 97 to 102. .SUNDAY NIGHT...Partly cloudy. Lows 61 to 67. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 92 to 98. Lows 59 to 65. $$ AZZ506-181400- Southeast Pinal County- Including Mammoth and Oracle 212 PM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 56 to 62. .WEDNESDAY...Sunny. Highs 89 to 95. .WEDNESDAY NIGHT...Mostly clear. Lows 60 to 65. .THURSDAY...Sunny. Highs 95 to 101. .THURSDAY NIGHT...Clear. Lows 62 to 67. .FRIDAY...Sunny. Highs 96 to 102. .FRIDAY NIGHT...Clear. Lows 63 to 68. .SATURDAY...Sunny. Highs 96 to 102. .SATURDAY NIGHT...Clear. Lows 63 to 68. .SUNDAY...Mostly sunny. Highs 93 to 99. .SUNDAY NIGHT...Partly cloudy. Lows 61 to 66. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 89 to 95. Lows 59 to 64. .TUESDAY...Sunny. Highs 87 to 93. $$ AZZ507-181400- Upper San Pedro River Valley- Including Sierra Vista and Benson 212 PM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 50 to 56. .WEDNESDAY...Sunny. Highs 86 to 91. .WEDNESDAY NIGHT...Mostly clear. Lows 52 to 58. .THURSDAY...Sunny. Highs 92 to 97. .THURSDAY NIGHT...Clear. Lows 54 to 60. .FRIDAY...Sunny. Highs 93 to 98. .FRIDAY NIGHT...Clear. Lows 56 to 62. .SATURDAY...Sunny. Highs 94 to 99. .SATURDAY NIGHT...Clear. Lows 55 to 61. .SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs 87 to 96. Lows 52 to 59. .TUESDAY...Sunny. Highs 85 to 90. $$ AZZ508-181400- Eastern Cochise County below 5000 feet- Including Willcox and Douglas 212 PM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Clear. Lows 48 to 54. .WEDNESDAY...Sunny. Highs 84 to 89. .WEDNESDAY NIGHT...Mostly clear. Lows 51 to 57. .THURSDAY...Sunny. Highs 90 to 95. .THURSDAY NIGHT...Clear. Lows 53 to 59. .FRIDAY...Sunny. Highs 93 to 98. .FRIDAY NIGHT...Clear. Lows 55 to 61. .SATURDAY...Sunny. Highs 93 to 98. .SATURDAY NIGHT...Clear. Lows 55 to 61. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 91 to 96. Lows 53 to 59. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 87 to 92. Lows 52 to 58. .TUESDAY...Sunny. Highs 84 to 89. $$ AZZ509-181400- Upper Gila River Valley- Including Clifton and Safford 212 PM MST Tue Mar 17 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THURSDAY TO 8 PM MST SUNDAY... .TONIGHT...Mostly clear. Lows 49 to 55. .WEDNESDAY...Sunny. Highs 85 to 91. .WEDNESDAY NIGHT...Mostly clear. Lows 53 to 59. .THURSDAY...Sunny. Highs 90 to 96. .THURSDAY NIGHT...Clear. Lows 55 to 61. .FRIDAY...Sunny. Highs 92 to 98. .FRIDAY NIGHT...Clear. Lows 56 to 62. .SATURDAY...Sunny. Highs 92 to 98. .SATURDAY NIGHT...Clear. Lows 57 to 63. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 90 to 96. Lows 55 to 61. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 86 to 92. Lows 53 to 59. .TUESDAY...Sunny. Highs 83 to 89. $$ AZZ510-181400- White Mountains of Graham and Greenlee Counties- Including Hannagan Meadow 212 PM MST Tue Mar 17 2026 .TONIGHT...Mostly clear. Lows 44 to 54. .WEDNESDAY...Sunny. Highs 77 to 85. .WEDNESDAY NIGHT...Mostly clear. Lows 47 to 57. .THURSDAY...Sunny. Highs 81 to 89. .THURSDAY NIGHT...Clear. Lows 49 to 59. .FRIDAY...Sunny. Highs 82 to 90. .FRIDAY NIGHT...Clear. Lows 50 to 60. .SATURDAY...Sunny. Highs 82 to 90. .SATURDAY NIGHT...Clear. Lows 48 to 60. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs 74 to 87. Lows 46 to 58. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 44 to 56. Highs 73 to 81. $$ AZZ511-181400- Galiuro and Pinaleno Mountains- Including Mount Graham 212 PM MST Tue Mar 17 2026 .TONIGHT...Mostly clear. Lows 52 to 58. .WEDNESDAY...Sunny, warmer. Highs 75 to 85. .WEDNESDAY NIGHT...Mostly clear. Lows 55 to 61. .THURSDAY...Sunny. Highs 79 to 89. .THURSDAY NIGHT...Clear. Lows 57 to 63. .FRIDAY...Sunny. Highs 81 to 91. .FRIDAY NIGHT...Clear. Lows 57 to 63. .SATURDAY...Sunny. Highs 82 to 92. .SATURDAY NIGHT...Clear. Lows 57 to 63. .SUNDAY...Mostly sunny. Highs 79 to 89. .SUNDAY NIGHT...Partly cloudy. Lows 55 to 61. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 53 to 59. .TUESDAY...Sunny. Highs 72 to 82. $$ AZZ512-181400- Chiricahua Mountains- Including Chiricahua N.M. 212 PM MST Tue Mar 17 2026 .TONIGHT...Clear. Lows 49 to 55. .WEDNESDAY...Sunny. Highs 76 to 84. .WEDNESDAY NIGHT...Mostly clear. Lows 53 to 59. .THURSDAY...Sunny. Highs 81 to 89. .THURSDAY NIGHT...Clear. Lows 55 to 61. .FRIDAY...Sunny. Highs 83 to 91. .FRIDAY NIGHT...Clear. Lows 56 to 62. .SATURDAY...Sunny. Highs 84 to 92. .SATURDAY NIGHT...Clear. Lows 55 to 61. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 82 to 90. Lows 53 to 59. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 78 to 86. Lows 52 to 58. .TUESDAY...Sunny. Highs 75 to 83. $$ AZZ513-181400- Dragoon and Mule and Huachuca and Santa Rita Mountains- Including Bisbee, Canelo Hills, and Madera Canyon 212 PM MST Tue Mar 17 2026 .TONIGHT...Clear. Lows 51 to 57. .WEDNESDAY...Sunny. Highs 80 to 86. .WEDNESDAY NIGHT...Clear. Lows 54 to 60. .THURSDAY...Sunny. Highs 84 to 92. .THURSDAY NIGHT...Clear. Lows 56 to 62. .FRIDAY...Sunny. Highs 87 to 95. .FRIDAY NIGHT...Clear. Lows 58 to 63. .SATURDAY...Sunny. Highs 88 to 94. .SATURDAY NIGHT...Clear. Lows 57 to 62. .SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs 81 to 91. Lows 53 to 60. .TUESDAY...Sunny. Highs 79 to 85. $$ AZZ514-181400- Catalina and Rincon Mountains- Including Mount Lemmon and Summerhaven 212 PM MST Tue Mar 17 2026 .TONIGHT...Clear. Lows 54 to 60. .WEDNESDAY...Sunny. Highs 74 to 84. .WEDNESDAY NIGHT...Mostly clear. Lows 57 to 63. .THURSDAY...Sunny, warmer. Highs 80 to 90. .THURSDAY NIGHT...Clear. Lows 59 to 65. .FRIDAY...Sunny. Highs 80 to 92. .FRIDAY NIGHT...Clear. Lows 59 to 65. .SATURDAY...Sunny. Highs 80 to 92. .SATURDAY NIGHT...Clear. Lows 58 to 64. .SUNDAY...Mostly sunny. Highs 78 to 88. .SUNDAY NIGHT...Partly cloudy. Lows 56 to 62. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 55 to 61. .TUESDAY...Sunny. Highs 73 to 83. $$ AZZ515-181400- Baboquivari Mountains- Including Kitt Peak 212 PM MST Tue Mar 17 2026 .TONIGHT...Clear. Lows 59 to 64. .WEDNESDAY...Sunny. Highs 84 to 90. .WEDNESDAY NIGHT...Mostly clear. Lows 62 to 67. .THURSDAY...Sunny. Highs 89 to 95. .THURSDAY NIGHT...Clear. Lows 64 to 69. .FRIDAY...Sunny. Highs 91 to 97. .FRIDAY NIGHT...Clear. Lows 64 to 69. .SATURDAY...Sunny. Highs 90 to 96. .SATURDAY NIGHT...Clear. Lows 63 to 68. .SUNDAY...Mostly sunny. Highs 86 to 92. .SUNDAY NIGHT...Partly cloudy. Lows 60 to 65. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs 82 to 88. Lows 58 to 63. .TUESDAY...Sunny. Highs 82 to 88. $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson