415
FPCN13 CWVR 202315 AAA
UPDATED FORECASTS FOR THE SOUTHWEST INTERIOR OF BRITISH COLUMBIA
ISSUED BY ENVIRONMENT CANADA AT 4:15 P.M. PDT WEDNESDAY 20 MAY 2026
FOR TONIGHT THURSDAY AND THURSDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. PDT THURSDAY.
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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. BECOMING CLEAR THIS EVENING. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 5.
THURSDAY..INCREASING CLOUDINESS IN THE MORNING. WIND BECOMING
NORTHWEST 20 KM/H LATE IN THE MORNING. HIGH 23. UV INDEX 5 OR
MODERATE.
THURSDAY NIGHT..CLOUDY. CLEARING AFTER MIDNIGHT. WIND NORTHWEST
20 KM/H BECOMING LIGHT IN THE EVENING. LOW 9.
SOUTH OKANAGAN - INCLUDING PENTICTON.
TONIGHT..CLEARING. WIND NORTH 30 KM/H GUSTING TO 50 BECOMING LIGHT
THIS EVENING. LOW 6.
THURSDAY..INCREASING CLOUDINESS IN THE MORNING. HIGH 23. UV INDEX 5
OR MODERATE.
THURSDAY NIGHT..CLEARING. LOW 9.
SIMILKAMEEN
MANNING - SKAGIT VALLEY.
TONIGHT..CLEARING. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW PLUS 3 WITH RISK OF FROST.
THURSDAY..INCREASING CLOUDINESS IN THE MORNING. WIND BECOMING
NORTHWEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 22. UV
INDEX 6 OR HIGH.
THURSDAY NIGHT..CLEARING IN THE EVENING. WIND NORTHWEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW PLUS 4 WITH RISK OF
FROST.
FRASER CANYON - NORTH INCLUDING LILLOOET.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. WIND NORTH
20 KM/H BECOMING LIGHT THIS EVENING. LOW 9.
THURSDAY..CLOUDY. HIGH 25. UV INDEX 5 OR MODERATE.
THURSDAY NIGHT..CLEARING IN THE EVENING. LOW 11.
FRASER CANYON - SOUTH INCLUDING LYTTON.
TONIGHT..CLEAR. INCREASING CLOUDINESS BEFORE MORNING. WIND NORTH
20 KM/H BECOMING LIGHT THIS EVENING. LOW 9.
THURSDAY..CLOUDY. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40 LATE IN
THE MORNING. HIGH 25. UV INDEX 5 OR MODERATE.
THURSDAY NIGHT..CLEARING EARLY IN THE EVENING. WIND SOUTH 20 KM/H
GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 12.
NICOLA.
TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
EARLY THIS EVENING. LOW PLUS 1 WITH RISK OF FROST.
THURSDAY..INCREASING CLOUDINESS IN THE MORNING. WIND BECOMING
SOUTHWEST 20 KM/H LATE IN THE MORNING. HIGH 23. UV INDEX 6 OR HIGH.
THURSDAY NIGHT..CLEARING IN THE EVENING. WIND SOUTHWEST 20 KM/H
BECOMING LIGHT IN THE EVENING. LOW PLUS 3 WITH RISK OF FROST.
SOUTH THOMPSON.
TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
EARLY THIS EVENING. LOW 7.
THURSDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGH 23. UV INDEX 5 OR MODERATE.
THURSDAY NIGHT..CLEARING LATE IN THE EVENING. LOW 9.
SHUSWAP.
TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW PLUS 5.
THURSDAY..INCREASING CLOUDINESS IN THE MORNING. HIGH 21. UV INDEX 5
OR MODERATE.
THURSDAY NIGHT..CLEARING IN THE EVENING. LOW 6.
END
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