182
FPCN13 CWVR 182245
FORECASTS FOR THE SOUTHWEST INTERIOR OF BRITISH COLUMBIA ISSUED BY
ENVIRONMENT CANADA AT 4:00 P.M. PDT MONDAY 18 MAY 2026 FOR TONIGHT
TUESDAY AND TUESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. PDT TUESDAY.
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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..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
RISK OF THUNDERSTORMS OVER THE RIDGES EARLY THIS EVENING. LOW
PLUS 5.
TUESDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGH 21. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING. CLEARING NEAR MIDNIGHT. LOW 8.
SOUTH OKANAGAN - INCLUDING PENTICTON.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. RISK OF THUNDERSTORMS OVER THE RIDGES EARLY THIS EVENING.
WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW PLUS 5.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE MORNING.
HIGH 22. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..CLEARING IN THE EVENING. LOW 8.
SIMILKAMEEN.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING THIS EVENING. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW PLUS 2 WITH PATCHY FROST.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE MORNING.
FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING WEST 20 KM/H
GUSTING TO 40 NEAR NOON. HIGH 20. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. WIND WEST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 8.
FRASER CANYON - NORTH INCLUDING LILLOOET.
TONIGHT..MAINLY CLOUDY. WIND SOUTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING SOUTH 20 KM/H LATE IN THE MORNING. HIGH 24.
UV INDEX 6 OR HIGH.
TUESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING AND AFTER MIDNIGHT. CLEARING BEFORE MORNING. WIND SOUTH
20 KM/H BECOMING LIGHT IN THE EVENING. LOW 11.
FRASER CANYON - SOUTH INCLUDING LYTTON.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. WIND SOUTH 30 KM/H GUSTING TO 50. LOW 9.
TUESDAY..A MIX OF SUN AND CLOUD. WIND SOUTH 30 KM/H GUSTING TO 50.
HIGH 23. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. WIND SOUTH 30 KM/H GUSTING TO 50
BECOMING LIGHT BEFORE MORNING. LOW 11.
NICOLA.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING THIS EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW PLUS 4 WITH RISK OF FROST.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 EARLY IN
THE AFTERNOON. HIGH 21. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING. CLEARING BEFORE MORNING. WIND SOUTHWEST 20 KM/H GUSTING
TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 5.
SOUTH THOMPSON.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 6.
TUESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 23. UV
INDEX 5 OR MODERATE.
TUESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING. CLEARING NEAR MIDNIGHT. LOW 13.
SHUSWAP.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. RISK OF THUNDERSTORMS OVER THE RIDGES EARLY THIS EVENING.
LOW PLUS 5.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE MORNING AND IN THE AFTERNOON. HIGH 19. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING. CLEARING NEAR MIDNIGHT. LOW 6.
MANNING - SKAGIT VALLEY.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING THIS EVENING. WIND NORTHWEST 30 KM/H BECOMING
LIGHT THIS EVENING. LOW PLUS 1 WITH PATCHY FROST.
TUESDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 30 PERCENT
CHANCE OF SHOWERS LATE IN THE MORNING AND IN THE AFTERNOON. WIND
BECOMING NORTHWEST 30 KM/H EARLY IN THE AFTERNOON. HIGH 17. UV
INDEX 5 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. WIND NORTHWEST 30 KM/H BECOMING LIGHT
EARLY IN THE EVENING. LOW PLUS 4.
END
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