FPCN15 CWVR 182148
FORECASTS FOR THE KOOTENAY DISTRICTS OF BRITISH COLUMBIA ISSUED BY
ENVIRONMENT CANADA AT 4:00 P.M. MDT MONDAY 18 MAY 2026 FOR TONIGHT
TUESDAY AND TUESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY.

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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.
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING
 AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. FOG PATCHES
 DEVELOPING AFTER MIDNIGHT. LOW PLUS 3 WITH RISK OF FROST.
TUESDAY..MAINLY SUNNY. INCREASING CLOUDINESS NEAR NOON THEN
 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. FOG PATCHES
 DISSIPATING IN THE MORNING. WIND BECOMING SOUTHWEST 20 KM/H GUSTING
 TO 40 IN THE AFTERNOON. HIGH 20. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
 IN THE EVENING. CLEARING IN THE EVENING. WIND SOUTHWEST 20 KM/H
 GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW PLUS 3.

ARROW LAKES - SLOCAN LAKE.
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING THEN
 PARTLY CLOUDY. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW
 PLUS 5.
TUESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON WITH
 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A
 THUNDERSTORM IN THE AFTERNOON. HIGH 18. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY IN THE
 EVENING THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM EARLY IN THE
 EVENING. LOW PLUS 5.

WEST KOOTENAY.
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING THEN
 PARTLY CLOUDY. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND
 SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON
 WITH 30 PERCENT CHANCE OF SHOWERS LATER IN THE AFTERNOON. RISK OF A
 THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H
 GUSTING TO 40 IN THE AFTERNOON. HIGH 19. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY IN THE
 EVENING AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. WIND
 SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
 LOW 7.

KOOTENAY LAKE.
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A
 THUNDERSTORM EARLY THIS EVENING. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON
 WITH 30 PERCENT CHANCE OF SHOWERS LATER IN THE AFTERNOON. RISK OF A
 THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H IN
 THE AFTERNOON. HIGH 16. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
 EVENING. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND SOUTHWEST
 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 7.

EAST KOOTENAY.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
 WITH RISK OF A THUNDERSTORM. LOW PLUS 5.
TUESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON
 WITH 40 PERCENT CHANCE OF SHOWERS LATER IN THE AFTERNOON. RISK OF A
 THUNDERSTORM LATE IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H
 GUSTING TO 40 IN THE AFTERNOON. HIGH 16. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE EVENING.
 BECOMING PARTLY CLOUDY NEAR MIDNIGHT. RISK OF A THUNDERSTORM EARLY
 IN THE EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
 IN THE EVENING. LOW PLUS 5.

ELK VALLEY.
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING.
 RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW PLUS 4 WITH RISK OF
 FROST.
TUESDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE
 AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. WIND
 BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 14. UV
 INDEX 5 OR MODERATE.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. BECOMING
 PARTLY CLOUDY BEFORE MORNING. RISK OF A THUNDERSTORM IN THE EVENING.
 WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
 LOW PLUS 4.

END