342  
FPCN17 CWVR 171145  
FORECASTS FOR SOUTHEASTERN YUKON AND NORTHERN BRITISH COLUMBIA ISSUED  
BY ENVIRONMENT CANADA AT 5:00 A.M. MST THURSDAY 17 JULY 2025 FOR  
TODAY AND FRIDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MST.  
 
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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.  
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON WITH  
60 PERCENT CHANCE OF SHOWERS. RISK OF THUNDERSTORMS OVER NORTHERN  
SECTIONS THIS AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H THIS  
AFTERNOON. HIGH 22. UV INDEX 6 OR HIGH.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING. RISK  
OF THUNDERSTORMS OVER NORTHERN SECTIONS THIS EVENING THEN PARTLY  
CLOUDY. WIND SOUTHWEST 20 KM/H BECOMING LIGHT LATE THIS EVENING.  
LOW 8.  
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON. HIGH 24. HUMIDEX 26. UV INDEX 6 OR HIGH.  
 
CASSIAR MOUNTAINS.  
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING WITH  
40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM  
THIS AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH.  
TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING  
WITH RISK OF A THUNDERSTORM. LOW 8.  
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON. RISK OF THUNDERSTORMS OVER SOUTHERN SECTIONS IN THE  
AFTERNOON. HIGH 24. UV INDEX 6 OR HIGH.  
 
WATSON LAKE.  
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING WITH  
30 PERCENT CHANCE OF SHOWERS LATE THIS MORNING AND THIS AFTERNOON.  
RISK OF A THUNDERSTORM THIS AFTERNOON. HIGH 24. UV INDEX 6 OR HIGH.  
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING  
WITH RISK OF A THUNDERSTORM. LOW 14.  
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 26. HUMIDEX 27. UV  
INDEX 6 OR HIGH.  
 
MUNCHO LAKE PARK - STONE MOUNTAIN PARK.  
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS CHANGING TO  
70 PERCENT CHANCE OF SHOWERS OR THUNDERSTORMS THIS MORNING. RISK OF  
A THUNDERSTORM EARLY THIS MORNING. LOCAL SMOKE. HIGH 22. UV INDEX 4  
OR MODERATE.  
TONIGHT..PARTLY CLOUDY. 70 PERCENT CHANCE OF SHOWERS OR THUNDERSTORMS  
CHANGING TO 30 PERCENT CHANCE OF SHOWERS LATE THIS EVENING. LOCAL  
SMOKE. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS CHANGING  
TO 70 PERCENT CHANCE OF SHOWERS OR THUNDERSTORMS IN THE MORNING.  
LOCAL SMOKE. HIGH 22. UV INDEX 6 OR HIGH.  
 
END  
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