644   
FPCN11 CWNT 200136 AAC  
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS  
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT  
7:35 P.M. MDT TUESDAY 19 MAY 2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY  
NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT  
WEDNESDAY.  
  
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.  
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A  
 THUNDERSTORM THIS EVENING. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING  
 LIGHT THIS EVENING. LOW 8.  
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
 RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 22. UV INDEX 4 OR  
 MODERATE.  
WEDNESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN  
 THE EVENING AND OVERNIGHT. RISK OF A THUNDERSTORM EARLY IN THE  
 EVENING. LOW 11.  
  
REMAINDER UNCHANGED.  
  
END  
 
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