454
FPCN15 CWWG 151637
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 11:00 A.M. MDT MONDAY 15 SEPTEMBER 2025 FOR
TODAY AND TUESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
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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.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
AFTERNOON. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 22. UV INDEX 4
OR MODERATE.
TONIGHT..CLEARING THIS EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 9.
TUESDAY..SUNNY. HIGH 24. UV INDEX 5 OR MODERATE.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND
RISK OF A THUNDERSTORM. WIND NORTHWEST 20 KM/H GUSTING TO 40.
HIGH 22. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 8.
TUESDAY..SUNNY. HIGH 24. UV INDEX 5 OR MODERATE.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TODAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H GUSTING TO 40.
HIGH 21. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 2 WITH
RISK OF FROST.
TUESDAY..SUNNY. HIGH 24. UV INDEX 5 OR MODERATE.
DRUMHELLER - THREE HILLS.
TODAY..MAINLY SUNNY. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 25.
HUMIDEX 27. UV INDEX 5 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 8.
TUESDAY..SUNNY. HIGH 25. UV INDEX 5 OR MODERATE.
BROOKS - STRATHMORE - VULCAN.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND NORTHWEST 20 KM/H
GUSTING TO 40. HIGH 25. HUMIDEX 28. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 9.
TUESDAY..SUNNY. HIGH 25. UV INDEX 5 OR MODERATE.
KANANASKIS - CANMORE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS AFTERNOON. LOCAL SMOKE NEAR NOON. HIGH 20. UV
INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 7.
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 25. UV
INDEX 5 OR MODERATE.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM THIS AFTERNOON. LOCAL SMOKE NEAR NOON. HIGH 20. UV
INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 6.
TUESDAY..CLEARING IN THE MORNING. HIGH 24. UV INDEX 5 OR MODERATE.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TODAY..A MIX OF SUN AND CLOUD. HIGH 23. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW CLOUDS. LOW PLUS 3.
TUESDAY..MAINLY SUNNY. HIGH 25. UV INDEX 5 OR MODERATE.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM THIS AFTERNOON. HIGH 20. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW
PLUS 5.
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 24.
HUMIDEX 25. UV INDEX 5 OR MODERATE.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. WIND
NORTHWEST 20 KM/H GUSTING TO 40. HIGH 22. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 3 WITH
RISK OF FROST.
TUESDAY..SUNNY. HIGH 23. UV INDEX 5 OR MODERATE.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TODAY..MAINLY SUNNY. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 23.
UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 4 WITH
RISK OF FROST.
TUESDAY..SUNNY. HIGH 23. UV INDEX 5 OR MODERATE.
HANNA - CORONATION - OYEN.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM
THIS AFTERNOON. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 27.
HUMIDEX 30. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 7.
TUESDAY..SUNNY. HIGH 23. UV INDEX 5 OR MODERATE.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM
THIS AFTERNOON. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 THIS
AFTERNOON. HIGH 26. HUMIDEX 27. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 11.
TUESDAY..SUNNY. HIGH 25. UV INDEX 5 OR MODERATE.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM THIS AFTERNOON. WIND NORTHWEST 20 KM/H GUSTING TO
40. HIGH 24. HUMIDEX 26. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 11.
TUESDAY..SUNNY. HIGH 24. UV INDEX 5 OR MODERATE.
LETHBRIDGE - TABER - MILK RIVER.
TODAY..A FEW SHOWERS ENDING THIS AFTERNOON THEN MAINLY CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON.
WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH 21. UV INDEX 3 OR
MODERATE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 10.
TUESDAY..SUNNY. HIGH 25. UV INDEX 5 OR MODERATE.
CARDSTON - FORT MACLEOD - MAGRATH.
TODAY..A FEW SHOWERS ENDING THIS AFTERNOON THEN CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON.
WIND WEST 20 KM/H GUSTING TO 40. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. WIND WEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 11.
TUESDAY..SUNNY. HIGH 23. UV INDEX 5 OR MODERATE.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TODAY..A FEW SHOWERS ENDING THIS AFTERNOON THEN CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM. WIND WEST
20 KM/H GUSTING TO 40. HIGH 17. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 9.
TUESDAY..SUNNY. HIGH 23. UV INDEX 5 OR MODERATE.
END
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