FPCN15 CWWG 172130 FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT MONDAY 17 JUNE 2024 FOR TONIGHT TUESDAY AND TUESDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY. --------------------------------------------------------------------- MAJOR REFERENCE ELEVATIONS: BANFF: 1384 METRES. LAKE LOUISE: 1750 METRES. HIGHWAY 93 - BOW SUMMIT: 2068 METRES. HIGHWAY 93 - SUNWAPTA PASS: 2034 METRES. COLUMBIA ICEFIELDS VISITORS CENTRE: 2006 METRES. JASPER: 1061 METRES. CANMORE: 1350 METRES. HWY 40 - HIGHWOOD PASS: 2206 METRES. PINCHER CREEK: 1030 METRES. WATERTON: 1280 METRES. CROWSNEST PASS: 1300 METRES. --------------------------------------------------------------------- CITY OF CALGARY. TONIGHT..A FEW SHOWERS ENDING OVERNIGHT THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 MM. WIND NORTH 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 3 EXCEPT ZERO IN OUTLYING AREAS. PATCHY FROST. TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 12. UV INDEX 6 OR HIGH. TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE EVENING WITH RISK OF A THUNDERSTORM. LOW PLUS 3 WITH RISK OF FROST. OKOTOKS - HIGH RIVER - CLARESHOLM. TONIGHT..CLOUDY. A FEW SHOWERS BEGINNING EARLY THIS EVENING. RISK OF A THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. AMOUNT 10 TO 15 MM. FOG PATCHES DEVELOPING BEFORE MORNING. LOW PLUS 5 EXCEPT PLUS 1 OVER NORTHERN SECTIONS. RISK OF FROST. TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 13. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE EVENING WITH RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW PLUS 1 WITH RISK OF FROST. AIRDRIE - COCHRANE - OLDS - SUNDRE. TONIGHT..SHOWERS ENDING LATE THIS EVENING THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 MM. LOW MINUS 1 WITH FROST. TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 11. UV INDEX 6 OR HIGH. TUESDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE EVENING WITH RISK OF A THUNDERSTORM. LOW PLUS 3 WITH RISK OF FROST. DRUMHELLER - THREE HILLS. TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW PLUS 3 WITH RISK OF FROST. TUESDAY..CLEARING IN THE MORNING. HIGH 16. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..PARTLY CLOUDY. LOW PLUS 5. BROOKS - STRATHMORE - VULCAN. TONIGHT..BECOMING CLOUDY THIS EVENING WITH SHOWERS. RISK OF A THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. AMOUNT 10 TO 15 MM. LOW 6. TUESDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING. CLEARING IN THE AFTERNOON. HIGH 15. UV INDEX 4 OR MODERATE. TUESDAY NIGHT..A FEW CLOUDS. LOW PLUS 3 WITH RISK OF FROST. KANANASKIS - CANMORE. TONIGHT..A FEW RAIN SHOWERS CHANGING TO WET SNOW LATE THIS EVENING AND ENDING BEFORE MORNING THEN CLOUDY WITH 30 PERCENT CHANCE OF WET SNOW. RISK OF A THUNDERSTORM THIS EVENING. RAINFALL AMOUNT 5 MM. LOCAL SNOWFALL AMOUNT 2 TO 4 CM. SNOW LEVEL 2400 METRES LOWERING TO VALLEY BOTTOM LATE THIS EVENING. LOW PLUS 1. TUESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF WET SNOW CHANGING TO 60 PERCENT CHANCE OF RAIN SHOWERS IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. SNOW LEVEL RISING TO 2300 METRES IN THE AFTERNOON. HIGH 11. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE EVENING THEN PARTLY CLOUDY. SNOW LEVEL LOWERING TO 1900 METRES IN THE EVENING. LOW PLUS 2. BANFF NATIONAL PARK HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING. TONIGHT..RAIN SHOWERS CHANGING TO SNOW LATE THIS EVENING AND ENDING OVERNIGHT THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM EARLY THIS EVENING. RAINFALL AMOUNT 5 MM. SNOWFALL AMOUNT 2 CM. SNOW LEVEL 2500 METRES LOWERING TO VALLEY BOTTOM LATE THIS EVENING. LOW PLUS 1. TUESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 10. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE EVENING. CLEARING OVERNIGHT. LOW PLUS 1. HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING JASPER NATIONAL PARK. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW PLUS 1. TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN THE MORNING AND IN THE AFTERNOON. SNOW LEVEL 1900 METRES. HIGH 14. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..A FEW CLOUDS. LOW MINUS 1. NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW MINUS 1. TUESDAY..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 8. UV INDEX 4 OR MODERATE. TUESDAY NIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE EVENING WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOW ZERO. ROCKY MOUNTAIN HOUSE - CAROLINE. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. LOW MINUS 1 WITH FROST. TUESDAY..MAINLY SUNNY. HIGH 13. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..PARTLY CLOUDY. LOW PLUS 2 WITH RISK OF FROST. RED DEER - PONOKA - INNISFAIL - STETTLER. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. WIND NORTH 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW ZERO WITH PATCHY FROST. TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. HIGH 13. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE EVENING. LOW PLUS 5. HANNA - CORONATION - OYEN. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW PLUS 2 WITH RISK OF FROST. TUESDAY..CLEARING IN THE MORNING. HIGH 14. UV INDEX 5 OR MODERATE. TUESDAY NIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 6. MEDICINE HAT - BOW ISLAND - SUFFIELD. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW 7. TUESDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE MORNING. WIND BECOMING NORTH 20 KM/H NEAR NOON. HIGH 13. UV INDEX 2 OR LOW. TUESDAY NIGHT..CLEARING IN THE EVENING. LOW PLUS 3 WITH RISK OF FROST. CYPRESS HILLS PROVINCIAL PARK - FOREMOST. TONIGHT..SHOWERS ENDING EARLY THIS EVENING THEN PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND NORTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW PLUS 5. TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND BECOMING WEST 20 KM/H NEAR NOON. HIGH 12. UV INDEX 2 OR LOW. TUESDAY NIGHT..CLEARING NEAR MIDNIGHT. LOW PLUS 2 WITH RISK OF FROST. LETHBRIDGE - TABER - MILK RIVER. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING. RAIN BEGINNING NEAR MIDNIGHT. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 TO 10 MM. WIND BECOMING NORTHWEST 20 KM/H NEAR MIDNIGHT. LOW PLUS 3. TUESDAY..RAIN ENDING IN THE MORNING THEN A MIX OF SUN AND CLOUD. WIND NORTH 20 KM/H BECOMING LIGHT NEAR NOON. HIGH 12. UV INDEX 6 OR HIGH. TUESDAY NIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. CARDSTON - FORT MACLEOD - MAGRATH. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. AMOUNT 5 MM. LOW PLUS 1. TUESDAY..SHOWERS. HIGH 8. UV INDEX 2 OR LOW. TUESDAY NIGHT..CLEARING IN THE EVENING. LOW ZERO WITH PATCHY FROST. CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN BEGINNING THIS EVENING. RISK OF A THUNDERSTORM EARLY THIS EVENING. RAINFALL AMOUNT 5 TO 10 MM EXCEPT SNOWFALL AMOUNT 2 CM OVER HIGHER TERRAIN. SNOW LEVEL LOWERING TO 1400 METRES OVERNIGHT. WIND WEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 2. TUESDAY..RAIN ENDING NEAR NOON THEN CLEARING. RAINFALL AMOUNT 5 MM EXCEPT SNOWFALL AMOUNT 2 CM OVER HIGHER TERRAIN. SNOW LEVEL 1400 METRES. HIGH 10. UV INDEX 4 OR MODERATE. TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. LOW PLUS 2. END