381
FPCN13 CWVR 131748
FORECASTS FOR THE SOUTHWEST INTERIOR OF BRITISH COLUMBIA ISSUED BY
ENVIRONMENT CANADA AT 11:00 A.M. PDT SUNDAY 13 SEPTEMBER 2026 FOR
TODAY AND MONDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. PDT.
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MAJOR REFERENCE ELEVATIONS:
OKANAGAN AND KAMLOOPS LAKES: 340 METRES.
COQUIHALLA - HOPE TO MERRITT: 1230 METRES.
COQUIHALLA - MERRITT TO KAMLOOPS: 1440 METRES.
CONNECTOR - PENNASK SUMMIT: 1728 METRES.
ALLISON PASS: 1340 METRES.
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NORTH OKANAGAN - INCLUDING VERNON.
TODAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 20. UV INDEX 3 OR
MODERATE.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.
CLEARING THIS EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT LATE THIS EVENING. LOW 8.
MONDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. HIGH 21. UV
INDEX 5 OR MODERATE.
CENTRAL OKANAGAN - INCLUDING KELOWNA.
TODAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 21. UV INDEX 3 OR
MODERATE.
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.
CLEARING THIS EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT LATE THIS EVENING. LOW 8.
MONDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. WIND BECOMING
SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 21. UV INDEX 5 OR MODERATE.
SOUTH OKANAGAN - INCLUDING PENTICTON.
TODAY..SHOWERS. LOCAL AMOUNT 10 MM NEAR OSOYOOS. WIND SOUTH 20 KM/H
GUSTING TO 40. HIGH 19. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING.
CLEARING BEFORE MORNING. FOG PATCHES NEAR OSOYOOS OVERNIGHT. WIND
SOUTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 10.
MONDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY LATE IN THE
AFTERNOON. FOG PATCHES NEAR OSOYOOS IN THE MORNING. WIND BECOMING
SOUTH 20 KM/H GUSTING TO 40 LATE IN THE MORNING. HIGH 21. UV INDEX 5
OR MODERATE.
SIMILKAMEEN.
TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS AFTERNOON.
CLEARING THIS AFTERNOON. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO
40 THIS AFTERNOON. HIGH 20. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. WIND WEST
20 KM/H GUSTING TO 40 BECOMING LIGHT LATE THIS EVENING. LOW 6.
MONDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 21. UV INDEX 5 OR MODERATE.
FRASER CANYON - NORTH INCLUDING LILLOOET.
TODAY..SUNNY. WIND NORTH 20 KM/H BECOMING LIGHT LATE THIS AFTERNOON.
HIGH 26. UV INDEX 5 OR MODERATE.
TONIGHT..A FEW CLOUDS. LOW 11.
MONDAY..INCREASING CLOUDINESS LATE IN THE MORNING. WIND BECOMING
SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 23. UV INDEX 5 OR MODERATE.
FRASER CANYON - SOUTH INCLUDING LYTTON.
TODAY..SUNNY. WIND SOUTH 20 KM/H GUSTING TO 50. HIGH 25. UV INDEX 5
OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS NEAR BOSTON BAR.
WIND SOUTH 20 KM/H GUSTING TO 50 INCREASING TO 40 GUSTING TO 60 THIS
EVENING THEN DIMINISHING TO 20 GUSTING TO 40 AFTER MIDNIGHT. LOW 14.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS NEAR
BOSTON BAR. BECOMING CLOUDY NEAR NOON. WIND SOUTH 20 KM/H GUSTING TO
40 INCREASING TO 40 GUSTING TO 70 IN THE AFTERNOON. HIGH 22. UV
INDEX 5 OR MODERATE.
NICOLA.
TODAY..CLEARING LATE THIS AFTERNOON. WIND WEST 20 KM/H. HIGH 21. UV
INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. FOG PATCHES OVER SOUTHWESTERN SECTIONS
OVERNIGHT. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
BEFORE MORNING. LOW PLUS 4 WITH RISK OF FROST.
MONDAY..A MIX OF SUN AND CLOUD. FOG PATCHES OVER SOUTHWESTERN
SECTIONS EARLY IN THE MORNING. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 IN THE MORNING. HIGH 19. UV INDEX 5 OR MODERATE.
SOUTH THOMPSON.
TODAY..CLEARING THIS AFTERNOON. WIND WEST 30 KM/H. HIGH 25. UV
INDEX 5 OR MODERATE.
TONIGHT..CLEAR. WIND WEST 30 KM/H BECOMING LIGHT THIS EVENING. LOW 9.
MONDAY..INCREASING CLOUDINESS LATE IN THE MORNING. WIND BECOMING WEST
20 KM/H IN THE MORNING. HIGH 23. UV INDEX 5 OR MODERATE.
SHUSWAP.
TODAY..A MIX OF SUN AND CLOUD. HIGH 21. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW CLOUDS. LOW 7.
MONDAY..INCREASING CLOUDINESS. HIGH 21. UV INDEX 5 OR MODERATE.
MANNING - SKAGIT VALLEY.
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND
BECOMING NORTHWEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 17. UV
INDEX 3 OR MODERATE.
TONIGHT..BECOMING CLOUDY LATE THIS EVENING WITH 30 PERCENT CHANCE OF
DRIZZLE LATE THIS EVENING AND OVERNIGHT. WIND NORTHWEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 8.
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF DRIZZLE. WIND BECOMING
NORTHWEST 20 KM/H LATE IN THE MORNING. HIGH 15. UV INDEX 4 OR
MODERATE.
END
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