884
FPCN13 CWVR 141759
FORECASTS FOR THE SOUTHWEST INTERIOR OF BRITISH COLUMBIA ISSUED BY
ENVIRONMENT CANADA AT 11:00 A.M. PDT MONDAY 14 SEPTEMBER 2026 FOR
TODAY AND TUESDAY.
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
CENTRAL OKANAGAN - INCLUDING KELOWNA.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H THIS
AFTERNOON. HIGH 20. UV INDEX 5 OR MODERATE.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW 12.
TUESDAY..MAINLY CLOUDY. 70 PERCENT CHANCE OF SHOWERS CHANGING TO
30 PERCENT CHANCE OF SHOWERS NEAR NOON. WIND BECOMING NORTHWEST
20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 20. UV INDEX 4 OR
MODERATE.
SOUTH OKANAGAN - INCLUDING PENTICTON.
TODAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. WIND SOUTH 20 KM/H GUSTING TO 40. HIGH 20. UV INDEX 5 OR
MODERATE.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS
BEGINNING BEFORE MORNING. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 12.
TUESDAY..A FEW SHOWERS ENDING EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. WIND BECOMING NORTH
20 KM/H GUSTING TO 40 EARLY IN THE AFTERNOON. HIGH 19. UV INDEX 4 OR
MODERATE.
SIMILKAMEEN.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON. WIND
BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 17. UV INDEX 5 OR
MODERATE.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND WEST
20 KM/H BECOMING LIGHT THIS EVENING. LOW 8.
TUESDAY..A FEW SHOWERS ENDING EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. WIND BECOMING
NORTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 18. UV INDEX 4 OR
MODERATE.
FRASER CANYON - NORTH INCLUDING LILLOOET.
TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 22.
UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST
20 KM/H BECOMING LIGHT THIS EVENING. LOW 14.
TUESDAY..MAINLY CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS IN THE
MORNING. CLEARING LATE IN THE MORNING. WIND BECOMING NORTH 20 KM/H
GUSTING TO 40 IN THE AFTERNOON. HIGH 25. UV INDEX 4 OR MODERATE.
FRASER CANYON - SOUTH INCLUDING LYTTON.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS NEAR BOSTON BAR.
WIND SOUTH 30 KM/H GUSTING TO 50 INCREASING TO 50 GUSTING TO 70 THIS
AFTERNOON. HIGH 22. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS CHANGING TO 70 PERCENT
CHANCE OF SHOWERS NEAR MIDNIGHT. WIND SOUTH 50 KM/H GUSTING TO 70
DIMINISHING TO 20 GUSTING TO 40 THIS EVENING THEN BECOMING LIGHT
AFTER MIDNIGHT. LOW 13.
TUESDAY..A FEW SHOWERS ENDING LATE IN THE MORNING THEN CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS. CLEARING LATE IN THE AFTERNOON. WIND
BECOMING NORTH 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 24. UV
INDEX 2 OR LOW.
NICOLA.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 19. UV INDEX 5
OR MODERATE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS CHANGING TO
70 PERCENT CHANCE OF SHOWERS BEFORE MORNING. WIND SOUTHWEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 10.
TUESDAY..MAINLY CLOUDY. 70 PERCENT CHANCE OF SHOWERS IN THE MORNING
THEN 30 PERCENT CHANCE OF SHOWERS LATE IN THE MORNING AND EARLY
AFTERNOON. CLEARING LATE IN THE AFTERNOON. WIND BECOMING NORTHWEST
20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 21. UV INDEX 3 OR
MODERATE.
SOUTH THOMPSON.
TODAY..INCREASING CLOUDINESS NEAR NOON. 30 PERCENT CHANCE OF SHOWERS
LATE THIS AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H THIS AFTERNOON.
HIGH 22. UV INDEX 5 OR MODERATE.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHEAST
20 KM/H BECOMING LIGHT LATE THIS EVENING. LOW 13.
TUESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING. CLEARING LATE IN THE MORNING. WIND BECOMING NORTHWEST
30 KM/H EARLY IN THE AFTERNOON. HIGH 24. UV INDEX 4 OR MODERATE.
SHUSWAP.
TODAY..INCREASING CLOUDINESS NEAR NOON. HIGH 20. UV INDEX 5 OR
MODERATE.
TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT. LOW 11.
TUESDAY..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING.
CLEARING IN THE AFTERNOON. WIND BECOMING NORTH 20 KM/H IN THE
AFTERNOON. HIGH 22. UV INDEX 2 OR LOW.
MANNING - SKAGIT VALLEY.
TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND NORTHWEST
20 KM/H. TEMPERATURE STEADY NEAR 9. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND NORTHWEST
20 KM/H BECOMING LIGHT THIS EVENING. TEMPERATURE STEADY NEAR 7.
TUESDAY..A FEW SHOWERS ENDING NEAR NOON THEN CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS. WIND BECOMING NORTHWEST 20 KM/H EARLY IN THE
AFTERNOON. HIGH 15. UV INDEX 3 OR MODERATE.
END
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