159
FPCN13 CWVR 132245
FORECASTS FOR THE SOUTHWEST INTERIOR OF BRITISH COLUMBIA ISSUED BY
ENVIRONMENT CANADA AT 4:00 P.M. PDT SUNDAY 13 SEPTEMBER 2026 FOR
TONIGHT MONDAY AND MONDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. PDT MONDAY.
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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
CENTRAL OKANAGAN - INCLUDING KELOWNA.
TONIGHT..CLOUDY WITH 60 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. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND
BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 21. UV INDEX 5 OR
MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT WITH
60 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND SOUTHWEST 20 KM/H
BECOMING LIGHT IN THE EVENING. LOW 11.
SOUTH OKANAGAN - INCLUDING PENTICTON.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN CLEARING. 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.
MONDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE
EVENING AND OVERNIGHT. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW 12.
SIMILKAMEEN.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING
THEN 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.
MONDAY NIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT.
WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 9.
FRASER CANYON - NORTH INCLUDING LILLOOET.
TONIGHT..A FEW CLOUDS. LOW 11.
MONDAY..INCREASING CLOUDINESS. 40 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON.
HIGH 23. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND
SOUTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 14.
FRASER CANYON - SOUTH INCLUDING LYTTON.
TONIGHT..CLEAR. 30 PERCENT CHANCE OF SHOWERS NEAR BOSTON BAR.
BECOMING PARTLY CLOUDY THIS EVENING. 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.
MONDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE
EVENING AND OVERNIGHT. 60 PERCENT CHANCE OF SHOWERS NEAR BOSTON BAR
IN THE EVENING. WIND SOUTH 40 KM/H GUSTING TO 70 DIMINISHING TO 20
GUSTING TO 40 IN THE EVENING THEN BECOMING LIGHT AFTER MIDNIGHT.
LOW 12.
NICOLA.
TONIGHT..CLEARING EARLY THIS EVENING. 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.
MONDAY NIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS OVERNIGHT.
WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 10.
SOUTH THOMPSON.
TONIGHT..CLEARING EARLY THIS EVENING. WIND WEST 30 KM/H BECOMING
LIGHT THIS EVENING. LOW 9.
MONDAY..INCREASING CLOUDINESS LATE IN THE MORNING. 30 PERCENT CHANCE
OF SHOWERS OVER WESTERN SECTIONS LATE IN THE AFTERNOON. WIND
BECOMING WEST 20 KM/H IN THE MORNING. HIGH 23. UV INDEX 5 OR
MODERATE.
MONDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS OVERNIGHT. 30
PERCENT CHANCE OF SHOWERS OVER WESTERN SECTIONS IN THE EVENING. WIND
WEST 20 KM/H BECOMING LIGHT LATE IN THE EVENING. LOW 12.
SHUSWAP.
TONIGHT..CLEARING EARLY THIS EVENING. LOW 7.
MONDAY..INCREASING CLOUDINESS IN THE MORNING. HIGH 21. UV INDEX 5 OR
MODERATE.
MONDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE
EVENING AND OVERNIGHT. LOW 11.
MANNING - SKAGIT VALLEY.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS 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 SHOWERS. WIND BECOMING
NORTHWEST 20 KM/H LATE IN THE MORNING. HIGH 15. UV INDEX 4 OR
MODERATE.
MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND
NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 7.
END
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