862
FPCN15 CWWG 181630
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 11:00 A.M. MDT SATURDAY 18 APRIL 2026 FOR TODAY
AND SUNDAY.
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 SUNNY. HIGH 9. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL MINUS 8
OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
UP TO 15 KM/H. HIGH 18. WIND CHILL MINUS 8 IN THE MORNING. UV
INDEX 6 OR HIGH.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TODAY..MAINLY SUNNY. HIGH 9. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 7. WIND CHILL MINUS 10
OVERNIGHT.
SUNDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 18. WIND CHILL MINUS 10 IN
THE MORNING. UV INDEX 6 OR HIGH.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TODAY..MAINLY SUNNY. HIGH 13. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 8. WIND CHILL MINUS 11
OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
UP TO 15 KM/H. HIGH 18. WIND CHILL MINUS 11 IN THE MORNING. UV
INDEX 5 OR MODERATE.
DRUMHELLER - THREE HILLS.
TODAY..MAINLY SUNNY. HIGH 13. UV INDEX 5 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL
MINUS 7 OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
UP TO 15 KM/H. HIGH 18. WIND CHILL MINUS 6 IN THE MORNING. UV
INDEX 5 OR MODERATE.
BROOKS - STRATHMORE - VULCAN.
TODAY..MAINLY SUNNY. HIGH 13. UV INDEX 5 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL
MINUS 8 OVERNIGHT.
SUNDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 18. WIND CHILL MINUS 8 IN THE
MORNING. UV INDEX 5 OR MODERATE.
KANANASKIS - CANMORE.
TODAY..MAINLY SUNNY. HIGH 10. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 7
OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
UP TO 15 KM/H. HIGH 14. WIND CHILL MINUS 7 IN THE MORNING. UV
INDEX 5 OR MODERATE.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TODAY..MAINLY SUNNY. HIGH 11. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL MINUS 8
OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
UP TO 15 KM/H. HIGH 14. WIND CHILL MINUS 8 IN THE MORNING. UV
INDEX 5 OR MODERATE.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TODAY..MAINLY SUNNY. HIGH 14. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL MINUS 6
OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. WIND
UP TO 15 KM/H. HIGH 17. WIND CHILL MINUS 6 IN THE MORNING. UV
INDEX 5 OR MODERATE.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TODAY..MAINLY SUNNY. HIGH 12. UV INDEX 5 OR MODERATE.
TONIGHT..CLEARING THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 4. WIND
CHILL MINUS 6 OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND UP TO
15 KM/H. HIGH 16. WIND CHILL MINUS 6 IN THE MORNING. UV INDEX 5 OR
MODERATE.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON.
HIGH 12. UV INDEX 5 OR MODERATE.
TONIGHT..CLEARING LATE THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 5.
WIND CHILL MINUS 7 OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND UP TO
15 KM/H. HIGH 19. WIND CHILL MINUS 7 IN THE MORNING. UV INDEX 5 OR
MODERATE.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON.
HIGH 11. UV INDEX 4 OR MODERATE.
TONIGHT..CLEARING LATE THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 4.
WIND CHILL MINUS 8 OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 17. WIND CHILL
MINUS 8 IN THE MORNING. UV INDEX 5 OR MODERATE.
HANNA - CORONATION - OYEN.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND
SOUTHWEST 20 KM/H BECOMING LIGHT THIS AFTERNOON. HIGH 11 EXCEPT
PLUS 3 OVER SNOW COVERED AREAS. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. WIND UP TO 15 KM/H.
LOW MINUS 6. WIND CHILL MINUS 12 OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE AFTERNOON.
WIND BECOMING SOUTH 20 KM/H IN THE MORNING. HIGH 17 EXCEPT PLUS 5
OVER SNOW COVERED AREAS. WIND CHILL MINUS 12 IN THE MORNING. UV
INDEX 5 OR MODERATE.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON.
HIGH 13. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. WIND UP TO 15 KM/H.
LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H NEAR NOON. HIGH 18. UV
INDEX 6 OR HIGH.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND
NORTHWEST 20 KM/H. HIGH 13. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. WIND BECOMING
NORTHEAST 20 KM/H NEAR MIDNIGHT. LOW MINUS 3. WIND CHILL MINUS 8
OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H NEAR NOON. HIGH 18.
WIND CHILL MINUS 7 IN THE MORNING. UV INDEX 6 OR HIGH.
LETHBRIDGE - TABER - MILK RIVER.
TODAY..SUNNY. WIND WEST 20 KM/H BECOMING LIGHT THIS AFTERNOON.
HIGH 13. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 2. WIND CHILL MINUS 7
OVERNIGHT.
SUNDAY..SUNNY. HIGH 19. UV INDEX 6 OR HIGH.
CARDSTON - FORT MACLEOD - MAGRATH.
TODAY..SUNNY. WIND BECOMING WEST 20 KM/H GUSTING TO 40 THIS
AFTERNOON. HIGH 14. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW MINUS 1.
SUNDAY..SUNNY. WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 18. UV INDEX 6 OR HIGH.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TODAY..MAINLY SUNNY. WIND WEST 30 KM/H GUSTING TO 50. HIGH 12. UV
INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND WEST 30 KM/H GUSTING TO 50. LOW MINUS 2. WIND
CHILL MINUS 8 OVERNIGHT.
SUNDAY..SUNNY. WIND WEST 30 KM/H GUSTING TO 50. HIGH 18. UV INDEX 6
OR HIGH.
END
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