941
FPCN15 CWWG 181032
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 5:00 A.M. MDT FRIDAY 18 JULY 2025 FOR TODAY AND
SATURDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.
---------------------------------------------------------------------
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.
TODAY..MAINLY SUNNY. INCREASING CLOUDINESS THIS AFTERNOON THEN A FEW
SHOWERS. RISK OF A THUNDERSTORM LATE THIS AFTERNOON. FOG PATCHES
DISSIPATING THIS MORNING. WIND BECOMING SOUTHEAST 20 KM/H LATE THIS
MORNING. HIGH 21. UV INDEX 7 OR HIGH.
TONIGHT..A FEW SHOWERS ENDING BEFORE MORNING THEN PARTLY CLOUDY. RISK
OF A THUNDERSTORM. AMOUNT 5 TO 10 MM. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW 12.
SATURDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 21. UV INDEX 7 OR HIGH.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TODAY..MAINLY SUNNY. INCREASING CLOUDINESS THIS AFTERNOON THEN A FEW
SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. FOG PATCHES
DISSIPATING THIS MORNING. WIND BECOMING SOUTHEAST 20 KM/H LATE THIS
MORNING. HIGH 23. HUMIDEX 28. UV INDEX 7 OR HIGH.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY. RISK
OF A THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. AMOUNT 5 TO
10 MM. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H
BECOMING LIGHT THIS EVENING. LOW 11.
SATURDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON
WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A
THUNDERSTORM LATE IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 22. UV INDEX 7 OR HIGH.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TODAY..MAINLY SUNNY. INCREASING CLOUDINESS NEAR NOON THEN A FEW
SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. FOG PATCHES
DISSIPATING THIS MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO
40 LATE THIS MORNING. HIGH 21. UV INDEX 7 OR HIGH.
TONIGHT..SHOWERS OR THUNDERSTORMS ENDING AFTER MIDNIGHT THEN PARTLY
CLOUDY. AMOUNT 10 TO 20 MM. FOG PATCHES DEVELOPING AFTER MIDNIGHT.
WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING.
LOW 6.
SATURDAY..SUNNY IN THE MORNING 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 NORTH 20 KM/H IN THE AFTERNOON. HIGH 21. UV
INDEX 7 OR HIGH.
DRUMHELLER - THREE HILLS.
TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. WIND
BECOMING SOUTHEAST 20 KM/H LATE THIS MORNING. HIGH 26. HUMIDEX 28.
UV INDEX 7 OR HIGH.
TONIGHT..CLOUDY. SHOWERS OR THUNDERSTORMS BEGINNING THIS EVENING.
AMOUNT 10 TO 20 MM. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 14.
SATURDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 27. UV INDEX 7 OR HIGH.
BROOKS - STRATHMORE - VULCAN.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING.
WIND BECOMING SOUTHEAST 20 KM/H LATE THIS MORNING. HIGH 25. HUMIDEX
27. UV INDEX 7 OR HIGH.
TONIGHT..CLOUDY. SHOWERS BEGINNING THIS EVENING. RISK OF A
THUNDERSTORM LATE THIS EVENING AND OVERNIGHT. AMOUNT 5 TO 10 MM. FOG
PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H BECOMING
LIGHT THIS EVENING. LOW 13.
SATURDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 25. HUMIDEX 30. UV INDEX 7 OR HIGH.
KANANASKIS - CANMORE.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON WITH A FEW
SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. FOG PATCHES
DISSIPATING THIS MORNING. HIGH 18. UV INDEX 7 OR HIGH.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.
AMOUNT 5 TO 10 MM. FOG PATCHES DEVELOPING AFTER MIDNIGHT. LOW 9.
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN
THE MORNING AND EARLY IN THE AFTERNOON. SHOWERS BEGINNING IN THE
AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 22. UV INDEX 7 OR HIGH.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TODAY..MAINLY SUNNY. INCREASING CLOUDINESS NEAR NOON THEN A FEW
SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. FOG PATCHES
DISSIPATING THIS MORNING. HIGH 19. UV INDEX 7 OR HIGH.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.
AMOUNT 5 TO 10 MM. LOW 7.
SATURDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING. A FEW SHOWERS BEGINNING NEAR NOON. RISK OF A THUNDERSTORM
IN THE AFTERNOON. HIGH 19. UV INDEX 6 OR HIGH.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS MORNING WITH A
FEW SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. HIGH 20. UV
INDEX 5 OR MODERATE.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 TO
10 MM. LOW 10.
SATURDAY..SHOWERS. AMOUNT 10 MM. HIGH 17. UV INDEX 3 OR MODERATE.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON WITH
SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. FOG PATCHES
DISSIPATING THIS MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO
40 LATE THIS MORNING. HIGH 20. UV INDEX 7 OR HIGH.
TONIGHT..SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.
AMOUNT 5 TO 10 MM. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND
SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW
PLUS 5.
SATURDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING.
SHOWERS BEGINNING NEAR NOON. RISK OF A THUNDERSTORM IN THE
AFTERNOON. AMOUNT 5 TO 10 MM. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 18. UV INDEX 5 OR MODERATE.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON WITH
SHOWERS OR THUNDERSTORMS. FOG PATCHES DISSIPATING THIS MORNING. WIND
BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE THIS MORNING. HIGH 21.
UV INDEX 7 OR HIGH.
TONIGHT..SHOWERS OR THUNDERSTORMS ENDING AFTER MIDNIGHT THEN PARTLY
CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. AMOUNT 10 TO 20 MM. FOG
PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H GUSTING TO
40 BECOMING LIGHT THIS EVENING. LOW 11.
SATURDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING. SHOWERS BEGINNING NEAR NOON. RISK OF A THUNDERSTORM LATE IN
THE MORNING AND IN THE AFTERNOON. AMOUNT 5 TO 10 MM. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING NORTHWEST 20 KM/H GUSTING
TO 40 IN THE AFTERNOON. HIGH 21. UV INDEX 6 OR HIGH.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TODAY..MAINLY SUNNY. INCREASING CLOUDINESS LATE THIS AFTERNOON. FOG
PATCHES DISSIPATING THIS MORNING. WIND BECOMING SOUTHEAST 20 KM/H
GUSTING TO 40 LATE THIS MORNING. HIGH 21. UV INDEX 7 OR HIGH.
TONIGHT..SHOWERS OR THUNDERSTORMS. AMOUNT 10 TO 20 MM. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 10.
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
RISK OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES DISSIPATING IN
THE MORNING. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 21. UV INDEX 7 OR HIGH.
HANNA - CORONATION - OYEN.
TODAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 LATE THIS
MORNING. HIGH 25. UV INDEX 7 OR HIGH.
TONIGHT..INCREASING CLOUDINESS. SHOWERS BEGINNING NEAR MIDNIGHT. RISK
OF A THUNDERSTORM OVERNIGHT. AMOUNT 5 TO 10 MM. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H GUSTING TO 40.
LOW 12.
SATURDAY..SHOWERS ENDING NEAR NOON THEN A MIX OF SUN AND CLOUD WITH
60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE MORNING
AND AFTERNOON. AMOUNT 5 TO 10 MM. FOG PATCHES DISSIPATING IN THE
MORNING. WIND SOUTHEAST 20 KM/H BECOMING LIGHT NEAR NOON. HIGH 22.
HUMIDEX 25. UV INDEX 7 OR HIGH.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. WIND
BECOMING SOUTH 20 KM/H LATE THIS MORNING. HIGH 26. HUMIDEX 27. UV
INDEX 8 OR VERY HIGH.
TONIGHT..INCREASING CLOUDINESS. SHOWERS BEGINNING NEAR MIDNIGHT. RISK
OF A THUNDERSTORM OVERNIGHT. AMOUNT 5 TO 10 MM. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H. LOW 14.
SATURDAY..SHOWERS ENDING IN THE MORNING THEN A MIX OF SUN AND CLOUD
WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE
MORNING AND AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT IN THE MORNING. HIGH 27. HUMIDEX
29. UV INDEX 7 OR HIGH.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. WIND
BECOMING SOUTH 20 KM/H LATE THIS MORNING. HIGH 26. HUMIDEX 27. UV
INDEX 8 OR VERY HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH
RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND
EAST 20 KM/H GUSTING TO 40. LOW 14.
SATURDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES
DISSIPATING IN THE MORNING. WIND EAST 20 KM/H BECOMING LIGHT IN THE
MORNING. WIND BECOMING WEST 20 GUSTING TO 40 IN THE AFTERNOON.
HIGH 28. HUMIDEX 29. UV INDEX 8 OR VERY HIGH.
LETHBRIDGE - TABER - MILK RIVER.
TODAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY THIS MORNING. FOG
PATCHES DISSIPATING THIS MORNING. WIND BECOMING SOUTHEAST 20 KM/H
THIS AFTERNOON. HIGH 26. HUMIDEX 29. UV INDEX 8 OR VERY HIGH.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND OVERNIGHT WITH RISK OF A THUNDERSTORM. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H BECOMING WEST 20
GUSTING TO 40 OVERNIGHT. LOW 15.
SATURDAY..MAINLY CLOUDY. CLEARING NEAR NOON. FOG PATCHES DISSIPATING
IN THE MORNING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN
THE MORNING. WIND BECOMING WEST 20 GUSTING TO 40 IN THE AFTERNOON.
HIGH 26. HUMIDEX 28. UV INDEX 8 OR VERY HIGH.
CARDSTON - FORT MACLEOD - MAGRATH.
TODAY..MAINLY SUNNY. FOG PATCHES DISSIPATING THIS MORNING. WIND
BECOMING SOUTHEAST 20 KM/H EARLY THIS AFTERNOON. HIGH 26. HUMIDEX
28. UV INDEX 8 OR VERY HIGH.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS WITH RISK OF A
THUNDERSTORM. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTHEAST
20 KM/H BECOMING LIGHT THIS EVENING. LOW 14.
SATURDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN
THE MORNING. WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 23. UV INDEX 7 OR HIGH.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TODAY..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH
60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. FOG PATCHES DISSIPATING THIS
MORNING. WIND BECOMING SOUTHEAST 20 KM/H EARLY THIS AFTERNOON.
HIGH 23. HUMIDEX 26. UV INDEX 8 OR VERY HIGH.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING. WIND SOUTHEAST 20 KM/H BECOMING LIGHT
THIS EVENING. LOW 11.
SATURDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 30 KM/H
GUSTING TO 50 IN THE AFTERNOON. HIGH 24. UV INDEX 7 OR HIGH.
END
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page