FPCN11 CWUL 231514 FORECASTS FOR WESTERN QUEBEC ISSUED BY ENVIRONMENT CANADA AT 11:30 A.M. EDT SUNDAY 23 AUGUST 2026 FOR TODAY AND MONDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:45 P.M. EDT. METRO MONTREAL - LAVAL. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 23. HUMIDEX 29. UV INDEX 3 OR MODERATE. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 16. 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 23. HUMIDEX 27. UV INDEX 6 OR HIGH. VAUDREUIL - SOULANGES - HUNTINGDON. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 23. HUMIDEX 29. UV INDEX 3 OR MODERATE. TONIGHT..A FEW SHOWERS ENDING LATE THIS EVENING THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHWEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 27. UV INDEX 6 OR HIGH. RICHELIEU VALLEY - SAINT-HYACINTHE. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H GUSTING TO 40. HIGH 23. HUMIDEX 29. UV INDEX 3 OR MODERATE. 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. LANAUDIERE. TODAY..CLOUDY. A FEW SHOWERS BEGINNING EARLY THIS AFTERNOON. RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 23. HUMIDEX 28. UV INDEX 5 OR MODERATE. 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 16. MONDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 23. HUMIDEX 27. UV INDEX 6 OR HIGH. LACHUTE - SAINT-JEROME. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 22. HUMIDEX 29. UV INDEX 3 OR MODERATE. 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 16. 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. HUMIDEX 25. UV INDEX 6 OR HIGH. LAURENTIANS. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 20. HUMIDEX 25. UV INDEX 3 OR MODERATE. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 14. MONDAY..A MIX OF SUN AND CLOUD 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 20. UV INDEX 6 OR HIGH. MONT-TREMBLANT PARK - SAINT-MICHEL-DES-SAINTS. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 19. UV INDEX 3 OR MODERATE. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 13. MONDAY..A MIX OF SUN AND CLOUD 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 19. UV INDEX 6 OR HIGH. MONT-LAURIER. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS AFTERNOON. HIGH 19. UV INDEX 3 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 14. MONDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS BEGINNING LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 20. UV INDEX 6 OR HIGH. LA VERENDRYE WILDLIFE RESERVE. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. AMOUNT 10 TO 20 MM. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS AFTERNOON. TEMPERATURE STEADY NEAR 17. UV INDEX 3 OR MODERATE. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 15. MONDAY..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. UPPER GATINEAU - LIEVRE - PAPINEAU. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. AMOUNT 15 TO 25 MM. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS AFTERNOON. HIGH 20. HUMIDEX 26. UV INDEX 3 OR MODERATE. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 14. MONDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 19. UV INDEX 6 OR HIGH. PONTIAC. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. AMOUNT 20 TO 30 MM. HIGH 21. HUMIDEX 27. UV INDEX 3 OR MODERATE. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. LOW 14. MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 19. UV INDEX 4 OR MODERATE. TEMISCAMINGUE. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. AMOUNT 10 TO 20 MM. HIGH 19. UV INDEX 2 OR LOW. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 TO 10 MM. LOW 15. MONDAY..SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. AMOUNT 5 MM. HIGH 17. UV INDEX 2 OR LOW. ABITIBI. TODAY..SHOWERS AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 20 TO 30 MM. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 19. UV INDEX 3 OR MODERATE. TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 5 TO 10 MM. LOW 14. MONDAY..SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. AMOUNT 5 TO 10 MM. HIGH 17. UV INDEX 2 OR LOW. PARENT - GOUIN RESERVOIR. TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 20. UV INDEX 3 OR MODERATE. TONIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 15. MONDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 19. UV INDEX 5 OR MODERATE. MATAGAMI. TODAY..SHOWERS AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 20 MM. WIND EAST 20 KM/H GUSTING TO 40. HIGH 20. UV INDEX 2 OR LOW. TONIGHT..SHOWERS AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 20 MM. LOW 15. MONDAY..SHOWERS AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. AMOUNT 20 TO 30 MM. WIND BECOMING NORTHWEST 20 KM/H LATE IN THE AFTERNOON. HIGH 17. UV INDEX 2 OR LOW. WASKAGANISH. TODAY..SHOWERS. AMOUNT 5 TO 10 MM. WIND BECOMING NORTH 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 2 OR LOW. TONIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. WIND NORTH 20 KM/H. LOW 15. MONDAY..SHOWERS. AMOUNT 20 MM INLAND. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH 17. UV INDEX 2 OR LOW. END