808
FPCN15 CWVR 071048
FORECASTS FOR THE KOOTENAY DISTRICTS OF BRITISH COLUMBIA ISSUED BY
ENVIRONMENT CANADA AT 5:00 A.M. MDT MONDAY 7 SEPTEMBER 2026 FOR TODAY
AND TUESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.
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MAJOR REFERENCE ELEVATIONS:
CASTLEGAR: 430 METRES.
CRANBROOK: 920 METRES.
BLUEBERRY-PAULSON: 1570 METRES.
KOOTENAY PASS: 1774 METRES.
CROWSNEST PASS: 1300 METRES.
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BOUNDARY.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING THIS
MORNING. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 24. UV
INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. 30 PERCENT CHANCE OF SHOWERS OVER EASTERN SECTIONS
OVERNIGHT. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND WEST
20 KM/H BECOMING LIGHT THIS EVENING. LOW 10.
TUESDAY..MAINLY SUNNY. HIGH 26. UV INDEX 5 OR MODERATE.
ARROW LAKES - SLOCAN LAKE.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON.
HIGH 19. UV INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW 11.
TUESDAY..MAINLY SUNNY. HIGH 21. UV INDEX 5 OR MODERATE.
WEST KOOTENAY.
TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H
THIS AFTERNOON. HIGH 22. UV INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H BECOMING
LIGHT THIS EVENING. LOW 10.
TUESDAY..MAINLY SUNNY. HIGH 24. HUMIDEX 25. UV INDEX 5 OR MODERATE.
KOOTENAY LAKE.
TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. HIGH 19. UV INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. LOW 12.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 22. UV INDEX 5 OR MODERATE.
EAST KOOTENAY.
TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS MORNING
AND EARLY THIS AFTERNOON. PERIODS OF RAIN BEGINNING THIS AFTERNOON.
RISK OF A THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING SOUTHWEST
20 KM/H THIS AFTERNOON. HIGH 17. UV INDEX 4 OR MODERATE.
TONIGHT..PERIODS OF RAIN ENDING OVERNIGHT THEN CLOUDY WITH 40 PERCENT
CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. AMOUNT
10 MM. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 9.
TUESDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING.
HIGH 20. UV INDEX 4 OR MODERATE.
ELK VALLEY.
TODAY..PERIODS OF RAIN. RISK OF A THUNDERSTORM THIS AFTERNOON. AMOUNT
5 TO 10 MM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 THIS
AFTERNOON. HIGH 16. UV INDEX 1 OR LOW.
TONIGHT..PERIODS OF RAIN ENDING NEAR MIDNIGHT THEN CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.
AMOUNT 5 TO 10 MM. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 8.
TUESDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE MORNING.
WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 19. UV
INDEX 3 OR MODERATE.
END
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