FPCN15 CWVR 271658 FORECASTS FOR THE KOOTENAY DISTRICTS OF BRITISH COLUMBIA ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT WEDNESDAY 27 MAY 2026 FOR TODAY AND THURSDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT. --------------------------------------------------------------------- MAJOR REFERENCE ELEVATIONS: CASTLEGAR: 430 METRES. CRANBROOK: 920 METRES. BLUEBERRY-PAULSON: 1570 METRES. KOOTENAY PASS: 1774 METRES. CROWSNEST PASS: 1300 METRES. --------------------------------------------------------------------- BOUNDARY. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND NORTHWEST 20 KM/H. HIGH 28. HUMIDEX 30. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. LOW 13. THURSDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSHOWER LATE IN THE AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H IN THE AFTERNOON. HIGH 34. UV INDEX 7 OR HIGH. ARROW LAKES - SLOCAN LAKE. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 25. HUMIDEX 26. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING THIS EVENING. LOW 10. THURSDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 27. HUMIDEX 28. UV INDEX 7 OR HIGH. WEST KOOTENAY. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND NORTH 20 KM/H. HIGH 26. HUMIDEX 29. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING THIS EVENING. WIND NORTH 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 14. THURSDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. WIND BECOMING SOUTH 20 KM/H IN THE AFTERNOON. HIGH 32. UV INDEX 7 OR HIGH. KOOTENAY LAKE. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 30. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. LOW 14. THURSDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 30. HUMIDEX 33. UV INDEX 7 OR HIGH. EAST KOOTENAY. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H EARLY THIS AFTERNOON. HIGH 28. HUMIDEX 30. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 13. THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H EARLY IN THE AFTERNOON. HIGH 29. HUMIDEX 31. UV INDEX 7 OR HIGH. ELK VALLEY. TODAY..INCREASING CLOUDINESS NEAR NOON. 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 11. THURSDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 27. HUMIDEX 28. UV INDEX 7 OR HIGH. END