811  
FPCN17 CWVR 172245  
FORECASTS FOR SOUTHEASTERN YUKON AND NORTHERN BRITISH COLUMBIA ISSUED  
BY ENVIRONMENT CANADA AT 4:00 P.M. MST WEDNESDAY 17 SEPTEMBER 2025  
FOR TONIGHT THURSDAY AND THURSDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MST THURSDAY.  
 
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MAJOR REFERENCE ELEVATIONS:  
DEASE LAKE: 800 METRES.  
JADE CITY: 915 METRES.  
MUNCHO LAKE: 837 METRES.  
TETSA RIVER: 804 METRES.  
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DEASE LAKE.  
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. CLEARING  
OVERNIGHT. WIND SOUTHWEST 20 KM/H GUSTING TO 50 BECOMING LIGHT THIS  
EVENING. LOW PLUS 3.  
THURSDAY..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING  
SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 11. UV INDEX 2 OR LOW.  
THURSDAY NIGHT..PERIODS OF RAIN. WIND SOUTHWEST 20 KM/H BECOMING  
LIGHT IN THE EVENING. LOW 6.  
 
CASSIAR MOUNTAINS.  
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING.  
CLEARING NEAR MIDNIGHT. WIND SOUTHWEST 30 KM/H GUSTING TO 70. LOW  
MINUS 1.  
THURSDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN  
60 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. WIND SOUTHWEST  
20 KM/H GUSTING TO 40. HIGH 13. UV INDEX 3 OR MODERATE.  
THURSDAY NIGHT..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. WIND  
SOUTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 3.  
 
WATSON LAKE.  
TONIGHT..MAINLY CLOUDY. WIND SOUTHWEST 30 KM/H GUSTING TO 60. LOW 6.  
THURSDAY..MAINLY SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON.  
WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 15. UV INDEX 2 OR LOW.  
THURSDAY NIGHT..MAINLY CLOUDY. WIND SOUTHWEST 20 KM/H BECOMING LIGHT  
AFTER MIDNIGHT. LOW 8.  
 
MUNCHO LAKE PARK - STONE MOUNTAIN PARK.  
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS  
EVENING. CLEARING LATE THIS EVENING. WIND BECOMING SOUTHWEST 20 KM/H  
GUSTING TO 40 THEN LIGHT THIS EVENING. LOW PLUS 4.  
THURSDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE  
AFTERNOON. HIGH 16. UV INDEX 3 OR MODERATE.  
THURSDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS  
OVERNIGHT. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN  
THE EVENING. LOW 6.  
 
END  
 
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