523
FPCN15 CWWG 180208 AAD
UPDATED FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED
BY ENVIRONMENT CANADA AT 8:07 P.M. MDT MONDAY 17 AUGUST 2026 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.
---------------------------------------------------------------------
OKOTOKS - HIGH RIVER - CLARESHOLM.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOCAL SMOKE. LOW 9.
TUESDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX
OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 26.
HUMIDEX 31. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM IN THE
EVENING. LOW 10.
BROOKS - STRATHMORE - VULCAN.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS
EVENING. LOCAL SMOKE BECOMING FOG PATCHES BEFORE MORNING. LOW 9.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 30. HUMIDEX 32. UV INDEX 6
OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. LOW 12.
KANANASKIS - CANMORE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS
EVENING. LOCAL SMOKE. LOW 8.
TUESDAY..SUNNY. LOCAL SMOKE. HIGH 26. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..A FEW CLOUDS. LOCAL SMOKE. LOW 12.
HANNA - CORONATION - OYEN.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING BEFORE MORNING. LOW 8.
TUESDAY..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 29. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. LOW 11.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM THIS EVENING. FOG
PATCHES DEVELOPING BEFORE MORNING. LOW 10.
TUESDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX
OF SUN AND CLOUD 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 30. HUMIDEX 31. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING
LIGHT IN THE EVENING. LOW 14.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM THIS EVENING. FOG
PATCHES DEVELOPING BEFORE MORNING. LOW 11.
TUESDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX
OF SUN AND CLOUD 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 29. HUMIDEX 31. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. LOW 13.
LETHBRIDGE - TABER - MILK RIVER.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM THIS EVENING. FOG
PATCHES DEVELOPING BEFORE MORNING. LOW 8.
TUESDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX
OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING WEST 20 KM/H NEAR NOON.
HIGH 29. HUMIDEX 30. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING
LIGHT IN THE EVENING. LOW 11.
CARDSTON - FORT MACLEOD - MAGRATH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. LOW 10.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. WIND
BECOMING WEST 20 KM/H NEAR NOON. HIGH 27. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. LOCAL SMOKE EARLY IN THE
EVENING. WIND WEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 12.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM THIS EVENING. LOCAL
SMOKE. LOW 10.
TUESDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX
OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL SMOKE. WIND BECOMING
WEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 27. UV INDEX 6 OR
HIGH.
TUESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE EVENING.
LOCAL SMOKE. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
EVENING. LOW 11.
REMAINDER UNCHANGED.
END
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page