977
FPCN13 CWVR 181837 AAA
UPDATED FORECASTS FOR THE SOUTHWEST INTERIOR OF BRITISH COLUMBIA
ISSUED BY ENVIRONMENT CANADA AT 11:35 A.M. PDT WEDNESDAY 18 JUNE 2025
FOR TODAY AND THURSDAY.
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. 60 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF THUNDERSTORMS. HIGH 25. UV INDEX 7 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF THUNDERSTORMS. CLEARING NEAR MIDNIGHT. LOW 9.
THURSDAY..MAINLY SUNNY. HIGH 25. UV INDEX 7 OR HIGH.
SOUTH OKANAGAN - INCLUDING PENTICTON.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTH 20 KM/H GUSTING TO 40.
HIGH 27. UV INDEX 8 OR VERY HIGH.
TONIGHT..CLEARING THIS EVENING. WIND SOUTH 20 KM/H GUSTING TO 40
BECOMING LIGHT EARLY THIS EVENING. LOW 10.
THURSDAY..MAINLY SUNNY. WIND BECOMING NORTH 20 KM/H NEAR NOON.
HIGH 27. UV INDEX 7 OR HIGH.
SIMILKAMEEN.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H THIS
AFTERNOON. HIGH 23. UV INDEX 8 OR VERY HIGH.
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW PLUS 5.
THURSDAY..SUNNY. WIND BECOMING WEST 20 KM/H IN THE AFTERNOON.
HIGH 24. UV INDEX 7 OR HIGH.
FRASER CANYON - NORTH INCLUDING LILLOOET.
TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 THIS
AFTERNOON. HIGH 24. UV INDEX 7 OR HIGH.
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS
EVENING. CLEARING LATE THIS EVENING. WIND SOUTHWEST 20 KM/H GUSTING
TO 40 BECOMING LIGHT LATE THIS EVENING. LOW 10.
THURSDAY..MAINLY SUNNY. WIND BECOMING SOUTH 20 KM/H NEAR NOON.
HIGH 26. UV INDEX 7 OR HIGH.
FRASER CANYON - SOUTH INCLUDING LYTTON.
TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS. 30 PERCENT CHANCE
OF SHOWERS NEAR BOSTON BAR LATE THIS AFTERNOON. WIND SOUTH 40 KM/H
GUSTING TO 70. HIGH 21. UV INDEX 5 OR MODERATE.
TONIGHT..MAINLY CLOUDY. CLEARING NEAR MIDNIGHT. 30 PERCENT CHANCE OF
SHOWERS NEAR BOSTON BAR EARLY THIS EVENING. WIND SOUTH 40 KM/H
GUSTING TO 70 DIMINISHING TO 20 GUSTING TO 40 LATE THIS EVENING.
LOW 12.
THURSDAY..MAINLY SUNNY. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40
NEAR NOON. HIGH 27. UV INDEX 7 OR HIGH.
NICOLA.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON.
WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 EARLY THIS AFTERNOON.
HIGH 24. UV INDEX 6 OR HIGH.
TONIGHT..CLEARING THIS EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT LATE THIS EVENING. LOW 10.
THURSDAY..SUNNY. HIGH 26. UV INDEX 7 OR HIGH.
SOUTH THOMPSON.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON
WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 30 KM/H GUSTING
TO 50 THIS AFTERNOON. HIGH 27. UV INDEX 6 OR HIGH.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. WIND
SOUTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT LATE THIS EVENING.
LOW 9.
THURSDAY..SUNNY. WIND BECOMING EAST 20 KM/H IN THE AFTERNOON.
HIGH 27. UV INDEX 7 OR HIGH.
SHUSWAP.
TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 24. HUMIDEX 26. UV
INDEX 7 OR HIGH.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOW 8.
THURSDAY..SUNNY. HIGH 23. UV INDEX 7 OR HIGH.
MANNING - SKAGIT VALLEY.
TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 19 WITH
TEMPERATURE FALLING TO 11 THIS AFTERNOON. UV INDEX 5 OR MODERATE.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.
CLEARING AFTER MIDNIGHT. FOG PATCHES DEVELOPING NEAR MIDNIGHT. LOW
PLUS 4.
THURSDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 22. UV INDEX 7 OR HIGH.
END
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