FPCN11 CWUL 231929 FORECASTS FOR WESTERN QUEBEC ISSUED BY ENVIRONMENT CANADA AT 3:45 P.M. EDT SUNDAY 23 AUGUST 2026 FOR TONIGHT MONDAY AND MONDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT MONDAY. METRO MONTREAL - LAVAL. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHEAST 20 KM/H BECOMING SOUTHWEST 20 EARLY THIS EVENING. LOW 17. MONDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H. HIGH 21. HUMIDEX 26. UV INDEX 6 OR HIGH. MONDAY NIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND SOUTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 17. VAUDREUIL - SOULANGES - HUNTINGDON. TONIGHT..SHOWERS OR THUNDERSTORMS ENDING LATE THIS EVENING THEN PARTLY CLOUDY. RISK OF A SEVERE THUNDERSTORM THIS EVENING. WIND SOUTHEAST 20 KM/H BECOMING SOUTHWEST 20 EARLY THIS EVENING. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS LATE IN THE MORNING AND IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 22. HUMIDEX 26. UV INDEX 6 OR HIGH. MONDAY NIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 15. RICHELIEU VALLEY - SAINT-HYACINTHE. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 15. MONDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 22. HUMIDEX 27. UV INDEX 6 OR HIGH. MONDAY NIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 15. LANAUDIERE. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 15. MONDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW SHOWERS BEGINNING NEAR NOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 6 OR HIGH. MONDAY NIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 15. LACHUTE - SAINT-JEROME. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 14. MONDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW SHOWERS BEGINNING NEAR NOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 20. HUMIDEX 25. UV INDEX 6 OR HIGH. MONDAY NIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 15. LAURENTIANS. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHEAST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 15. MONDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW SHOWERS BEGINNING NEAR NOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 20. UV INDEX 5 OR MODERATE. MONDAY NIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 14. MONT-TREMBLANT PARK - SAINT-MICHEL-DES-SAINTS. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHEAST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 14. MONDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN THE MORNING AND EARLY IN THE AFTERNOON. A FEW SHOWERS BEGINNING IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 18. UV INDEX 5 OR MODERATE. MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 13. MONT-LAURIER. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 15. MONDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN THE MORNING AND EARLY IN THE AFTERNOON. A FEW SHOWERS BEGINNING IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 18. UV INDEX 5 OR MODERATE. MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 14. LA VERENDRYE WILDLIFE RESERVE. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. SHOWERS BEGINNING EARLY THIS EVENING. RISK OF A THUNDERSTORM THIS EVENING. LOW 14. MONDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 18. UV INDEX 4 OR MODERATE. MONDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS BEGINNING BEFORE MORNING. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 14. UPPER GATINEAU - LIEVRE - PAPINEAU. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 14. MONDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN THE MORNING. A FEW SHOWERS BEGINNING NEAR NOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTH 20 KM/H IN THE MORNING. HIGH 18. UV INDEX 5 OR MODERATE. MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 14. PONTIAC. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 14. MONDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 18. UV INDEX 5 OR MODERATE. MONDAY NIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 15. TEMISCAMINGUE. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 14. MONDAY..SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 18. UV INDEX 2 OR LOW. MONDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 14. ABITIBI. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW 14. MONDAY..SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 17. UV INDEX 2 OR LOW. MONDAY NIGHT..SHOWERS ENDING NEAR MIDNIGHT THEN CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 12. PARENT - GOUIN RESERVOIR. TONIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 14. MONDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 19. UV INDEX 5 OR MODERATE. MONDAY NIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN THE EVENING AND AFTER MIDNIGHT. A FEW SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 13. MATAGAMI. TONIGHT..SHOWERS AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW 15. MONDAY..SHOWERS AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. AMOUNT 10 TO 15 MM. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 17. UV INDEX 2 OR LOW. MONDAY NIGHT..SHOWERS ENDING OVERNIGHT THEN CLOUDY. RISK OF A THUNDERSTORM EARLY IN THE EVENING. WIND NORTHWEST 20 KM/H. LOW 11. WASKAGANISH. TONIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. AMOUNT 10 TO 15 MM. WIND NORTH 20 KM/H. LOW 15. MONDAY..A FEW SHOWERS ENDING LATE IN THE AFTERNOON THEN CLEARING. AMOUNT 20 MM INLAND. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 18. UV INDEX 2 OR LOW. MONDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40. LOW 11. END