361  
FPCN11 CWUL 051527  
FORECASTS FOR WESTERN QUEBEC ISSUED BY ENVIRONMENT CANADA AT  
11:30 A.M. EDT SATURDAY 5 SEPTEMBER 2026 FOR TODAY AND SUNDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:45 P.M. EDT.  
 
METRO MONTREAL - LAVAL.  
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. WIND  
NORTHEAST 20 KM/H. HIGH 22. HUMIDEX 27. UV INDEX 6 OR HIGH.  
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS  
EVENING. CLEARING OVERNIGHT. WIND NORTHEAST 20 KM/H BECOMING LIGHT  
NEAR MIDNIGHT. LOW 14.  
SUNDAY..SUNNY. HIGH 24. HUMIDEX 26. UV INDEX 5 OR MODERATE.  
 
VAUDREUIL - SOULANGES - HUNTINGDON.  
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK  
OF A THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING NORTHEAST  
20 KM/H THIS AFTERNOON. HIGH 22. HUMIDEX 27. UV INDEX 6 OR HIGH.  
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS  
EVENING. CLEARING OVERNIGHT. LOW 11.  
SUNDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING.  
HIGH 23. HUMIDEX 25. UV INDEX 6 OR HIGH.  
 
RICHELIEU VALLEY - SAINT-HYACINTHE.  
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. WIND  
BECOMING NORTHEAST 20 KM/H THIS AFTERNOON. HIGH 22. HUMIDEX 27. UV  
INDEX 6 OR HIGH.  
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS  
EVENING. CLEARING OVERNIGHT. LOW 13.  
SUNDAY..SUNNY. WIND BECOMING NORTH 20 KM/H NEAR NOON. HIGH 23.  
HUMIDEX 25. UV INDEX 6 OR HIGH.  
 
LANAUDIERE.  
TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A  
THUNDERSTORM. WIND BECOMING NORTHEAST 20 KM/H THIS AFTERNOON.  
HIGH 22. HUMIDEX 25. UV INDEX 5 OR MODERATE.  
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS  
EVENING. CLEARING OVERNIGHT. LOW 13.  
SUNDAY..SUNNY. WIND BECOMING NORTH 20 KM/H NEAR NOON. HIGH 24.  
HUMIDEX 26. UV INDEX 6 OR HIGH.  
 
LACHUTE - SAINT-JEROME.  
TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A  
THUNDERSTORM. HIGH 22. HUMIDEX 27. UV INDEX 5 OR MODERATE.  
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS  
EVENING. CLEARING OVERNIGHT. LOW 13.  
SUNDAY..SUNNY. HIGH 24. HUMIDEX 25. UV INDEX 5 OR MODERATE.  
 
LAURENTIANS.  
TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A  
THUNDERSTORM. HIGH 20. HUMIDEX 25. UV INDEX 5 OR MODERATE.  
TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS  
EVENING. CLEARING OVERNIGHT. FOG PATCHES DEVELOPING OVERNIGHT.  
LOW 12.  
SUNDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV  
INDEX 5 OR MODERATE.  
 
MONT-TREMBLANT PARK - SAINT-MICHEL-DES-SAINTS.  
TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A  
THUNDERSTORM. HIGH 20. UV INDEX 5 OR MODERATE.  
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING.  
FOG PATCHES DEVELOPING OVERNIGHT. LOW 11.  
SUNDAY..CLEARING EARLY IN THE MORNING. FOG PATCHES DISSIPATING IN THE  
MORNING. HIGH 19. UV INDEX 5 OR MODERATE.  
 
MONT-LAURIER.  
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A  
THUNDERSTORM. HIGH 21. HUMIDEX 25. UV INDEX 5 OR MODERATE.  
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS  
EVENING. CLEARING OVERNIGHT. FOG PATCHES DEVELOPING OVERNIGHT.  
LOW 11.  
SUNDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.  
HIGH 21. UV INDEX 6 OR HIGH.  
 
LA VERENDRYE WILDLIFE RESERVE.  
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS. HIGH 21. HUMIDEX  
25. UV INDEX 5 OR MODERATE.  
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING. CLEARING OVERNIGHT. FOG PATCHES DEVELOPING OVERNIGHT.  
LOW 11.  
SUNDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.  
HIGH 22. UV INDEX 5 OR MODERATE.  
 
UPPER GATINEAU - LIEVRE - PAPINEAU.  
TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND  
RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 26. UV INDEX 6 OR HIGH.  
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING.  
FOG PATCHES DEVELOPING OVERNIGHT. LOW 11.  
SUNDAY..CLEARING EARLY IN THE MORNING. FOG PATCHES DISSIPATING IN THE  
MORNING. HIGH 23. UV INDEX 6 OR HIGH.  
 
PONTIAC.  
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS  
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 28. UV  
INDEX 6 OR HIGH.  
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 15.  
SUNDAY..CLEARING IN THE MORNING. FOG PATCHES DISSIPATING IN THE  
MORNING. HIGH 23. HUMIDEX 26. UV INDEX 6 OR HIGH.  
 
TEMISCAMINGUE.  
TODAY..A MIX OF SUN AND CLOUD. HIGH 23. HUMIDEX 28. UV INDEX 6 OR  
HIGH.  
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
SUNDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE  
MORNING. HIGH 22. HUMIDEX 26. UV INDEX 6 OR HIGH.  
 
ABITIBI.  
TODAY..A MIX OF SUN AND CLOUD. HIGH 22. HUMIDEX 25. UV INDEX 6 OR  
HIGH.  
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11.  
SUNDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE  
MORNING. HIGH 23. UV INDEX 5 OR MODERATE.  
 
PARENT - GOUIN RESERVOIR.  
TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND  
RISK OF A THUNDERSTORM. HIGH 18. UV INDEX 5 OR MODERATE.  
TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 10.  
SUNDAY..CLEARING IN THE MORNING. FOG PATCHES DISSIPATING IN THE  
MORNING. HIGH 21. UV INDEX 5 OR MODERATE.  
 
MATAGAMI.  
TODAY..A MIX OF SUN AND CLOUD. HIGH 22. HUMIDEX 25. UV INDEX 5 OR  
MODERATE.  
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW 10.  
SUNDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.  
HIGH 22. UV INDEX 5 OR MODERATE.  
 
WASKAGANISH.  
TODAY..SUNNY. HIGH 24. HUMIDEX 28. UV INDEX 5 OR MODERATE.  
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11.  
SUNDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. FOG PATCHES  
DISSIPATING IN THE MORNING. HIGH 23. HUMIDEX 26. UV INDEX 5 OR  
MODERATE.  
 
END  
 
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