687
FPCN15 CWWG 172130
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 4:00 P.M. MDT THURSDAY 17 JULY 2025 FOR TONIGHT
FRIDAY AND FRIDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT FRIDAY.
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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.
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CITY OF CALGARY.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND NORTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 9.
FRIDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN A FEW
SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING
TO 40 LATE IN THE MORNING. HIGH 19. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..A FEW SHOWERS ENDING OVERNIGHT THEN PARTLY CLOUDY. RISK
OF A THUNDERSTORM IN THE EVENING AND AFTER MIDNIGHT. WIND SOUTHEAST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 12.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND NORTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 7.
FRIDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN A FEW
SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING
TO 40 LATE IN THE MORNING. HIGH 23. HUMIDEX 28. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY.
RISK OF A THUNDERSTORM IN THE EVENING AND AFTER MIDNIGHT. WIND
SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 11.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND NORTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 6.
FRIDAY..SUNNY. INCREASING CLOUDINESS NEAR NOON THEN A FEW SHOWERS.
RISK OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES DISSIPATING IN
THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE IN
THE MORNING. HIGH 21. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..SHOWERS ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY. RISK
OF A THUNDERSTORM IN THE EVENING AND AFTER MIDNIGHT. AMOUNT 10 TO
20 MM. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
EVENING. LOW 6.
DRUMHELLER - THREE HILLS.
TONIGHT..A FEW SHOWERS ENDING LATE THIS EVENING THEN CLEARING. RISK
OF A THUNDERSTORM THIS EVENING. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND NORTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 10.
FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING
TO 40 LATE IN THE MORNING. HIGH 26. HUMIDEX 28. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE
EVENING. SHOWERS BEGINNING IN THE EVENING. RISK OF A THUNDERSTORM IN
THE EVENING AND AFTER MIDNIGHT. AMOUNT 10 TO 20 MM. WIND SOUTHEAST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 14.
BROOKS - STRATHMORE - VULCAN.
TONIGHT..A FEW SHOWERS ENDING LATE THIS EVENING THEN PARTLY CLOUDY.
RISK OF A THUNDERSTORM THIS EVENING. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW 10.
FRIDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING
IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE
IN THE MORNING. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM IN THE EVENING AND AFTER MIDNIGHT. WIND SOUTHEAST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 13.
KANANASKIS - CANMORE.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. LOW 7.
FRIDAY..INCREASING CLOUDINESS. A FEW SHOWERS BEGINNING IN THE
AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 18. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY.
RISK OF A THUNDERSTORM IN THE EVENING AND AFTER MIDNIGHT. LOW 9.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING AFTER MIDNIGHT.
LOW 7.
FRIDAY..MAINLY CLOUDY. A FEW SHOWERS BEGINNING IN THE AFTERNOON. RISK
OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 19. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN CLEARING. RISK
OF A THUNDERSTORM IN THE EVENING. LOW 7.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. LOW 10.
FRIDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 20. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE EVENING
WITH RISK OF A THUNDERSTORM. LOW 10.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. FOG
PATCHES DEVELOPING AFTER MIDNIGHT. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN
THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE IN
THE MORNING. HIGH 20. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY.
RISK OF A THUNDERSTORM IN THE EVENING AND AFTER MIDNIGHT. WIND
SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW
PLUS 5.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. FOG
PATCHES DEVELOPING AFTER MIDNIGHT. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN
THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE IN
THE MORNING. HIGH 21. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..SHOWERS ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY. RISK
OF A THUNDERSTORM IN THE EVENING AND AFTER MIDNIGHT. AMOUNT 10 TO
20 MM. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
EVENING. LOW 11.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. LOW 8.
FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING
TO 40 LATE IN THE MORNING. HIGH 21. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..SHOWERS. RISK OF A THUNDERSTORM IN THE EVENING AND
AFTER MIDNIGHT. AMOUNT 10 TO 20 MM. WIND SOUTHEAST 20 KM/H GUSTING
TO 40 BECOMING LIGHT IN THE EVENING. LOW 10.
HANNA - CORONATION - OYEN.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. WIND EAST
20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW 7.
FRIDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON. WIND
BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE IN THE MORNING.
HIGH 25. UV INDEX 7 OR HIGH.
FRIDAY NIGHT..CLOUDY. SHOWERS BEGINNING IN THE EVENING. RISK OF A
THUNDERSTORM LATE IN THE EVENING AND AFTER MIDNIGHT. AMOUNT 5 TO
10 MM. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
EVENING. LOW 12.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TONIGHT..SHOWERS ENDING LATE THIS EVENING THEN PARTLY CLOUDY. RISK OF
A THUNDERSTORM THIS EVENING. FOG PATCHES DEVELOPING AFTER MIDNIGHT.
WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS
EVENING. LOW 9.
FRIDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND
BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE IN THE MORNING.
HIGH 26. HUMIDEX 27. UV INDEX 8 OR VERY HIGH.
FRIDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT THEN
A FEW SHOWERS. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT
IN THE EVENING. LOW 14.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TONIGHT..A FEW SHOWERS OR THUNDERSTORMS ENDING LATE THIS EVENING THEN
CLEARING. RISK OF A SEVERE THUNDERSTORM EARLY THIS EVENING. FOG
PATCHES DEVELOPING AFTER MIDNIGHT. WIND NORTHWEST 20 KM/H GUSTING TO
40 BECOMING LIGHT NEAR MIDNIGHT. LOW 8.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H
GUSTING TO 40 LATE IN THE MORNING. HIGH 24. HUMIDEX 25. UV INDEX 8
OR VERY HIGH.
FRIDAY NIGHT..PARTLY CLOUDY. WIND EAST 20 KM/H GUSTING TO 40. LOW 14.
LETHBRIDGE - TABER - MILK RIVER.
TONIGHT..A FEW SHOWERS ENDING LATE THIS EVENING THEN CLEARING. RISK
OF A THUNDERSTORM THIS EVENING. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 8.
FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING
TO 40 IN THE AFTERNOON. HIGH 26. HUMIDEX 29. UV INDEX 8 OR VERY
HIGH.
FRIDAY NIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING
TO 40 BECOMING WEST 20 GUSTING TO 40 OVERNIGHT. LOW 15.
CARDSTON - FORT MACLEOD - MAGRATH.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN CLEARING. RISK OF A
THUNDERSTORM EARLY THIS EVENING. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 11.
FRIDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H GUSTING TO
40 EARLY IN THE AFTERNOON. HIGH 26. HUMIDEX 28. UV INDEX 8 OR VERY
HIGH.
FRIDAY NIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H GUSTING TO
40 BECOMING LIGHT IN THE EVENING. LOW 14.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN CLEARING. RISK OF A
THUNDERSTORM EARLY THIS EVENING. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 9.
FRIDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN
THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 EARLY IN
THE AFTERNOON. HIGH 23. HUMIDEX 26. UV INDEX 8 OR VERY HIGH.
FRIDAY NIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING
TO 40 BECOMING LIGHT IN THE EVENING. LOW 11.
END
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