092
FPCN11 CWUL 181521
FORECASTS FOR WESTERN QUEBEC ISSUED BY ENVIRONMENT CANADA AT
11:30 A.M. EDT TUESDAY 18 AUGUST 2026 FOR TODAY AND WEDNESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:45 P.M. EDT.
METRO MONTREAL - LAVAL.
TODAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 31. UV INDEX 7 OR
HIGH.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. LOW 17.
WEDNESDAY..MAINLY CLOUDY. A FEW SHOWERS BEGINNING IN THE MORNING AND
ENDING LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE
AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON.
HIGH 22. HUMIDEX 27. UV INDEX 3 OR MODERATE.
VAUDREUIL - SOULANGES - HUNTINGDON.
TODAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 31. UV INDEX 7 OR
HIGH.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. LOW 16.
WEDNESDAY..MAINLY CLOUDY. A FEW SHOWERS BEGINNING IN THE MORNING AND
ENDING LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE
AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON.
HIGH 22. HUMIDEX 28. UV INDEX 3 OR MODERATE.
RICHELIEU VALLEY - SAINT-HYACINTHE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 30. UV INDEX 7 OR
HIGH.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. FOG PATCHES
DEVELOPING OVERNIGHT. LOW 14.
WEDNESDAY..CLOUDY. A FEW SHOWERS BEGINNING IN THE MORNING. RISK OF A
THUNDERSTORM IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE
MORNING. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON.
HIGH 22. HUMIDEX 27. UV INDEX 3 OR MODERATE.
LANAUDIERE.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 26. HUMIDEX 31. UV INDEX 7 OR HIGH.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. FOG
PATCHES DEVELOPING OVERNIGHT. LOW 15.
WEDNESDAY..MAINLY CLOUDY. A FEW SHOWERS BEGINNING IN THE MORNING AND
ENDING LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE
AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING
SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 22. HUMIDEX 27. UV
INDEX 3 OR MODERATE.
LACHUTE - SAINT-JEROME.
TODAY..A MIX OF SUN AND CLOUD. HIGH 25. HUMIDEX 31. UV INDEX 7 OR
HIGH.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. FOG
PATCHES DEVELOPING OVERNIGHT. LOW 14.
WEDNESDAY..MAINLY CLOUDY. A FEW SHOWERS BEGINNING IN THE MORNING AND
ENDING LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE
AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING
SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 22. HUMIDEX 28. UV
INDEX 3 OR MODERATE.
LAURENTIANS.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 24. HUMIDEX 29. UV INDEX 7 OR HIGH.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. FOG
PATCHES DEVELOPING OVERNIGHT. LOW 14.
WEDNESDAY..MAINLY CLOUDY. A FEW SHOWERS BEGINNING IN THE MORNING AND
ENDING IN THE AFTERNOON THEN 40 PERCENT CHANCE OF SHOWERS LATER IN
THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 20. HUMIDEX 25. UV INDEX 5 OR
MODERATE.
MONT-TREMBLANT PARK - SAINT-MICHEL-DES-SAINTS.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 23. HUMIDEX 27. UV INDEX 7 OR HIGH.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. FOG
PATCHES DEVELOPING OVERNIGHT. LOW 13.
WEDNESDAY..MAINLY CLOUDY. A FEW SHOWERS BEGINNING IN THE MORNING AND
ENDING IN THE AFTERNOON THEN 40 PERCENT CHANCE OF SHOWERS LATER IN
THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 20. UV INDEX 3 OR MODERATE.
MONT-LAURIER.
TODAY..A MIX OF SUN AND CLOUD. HIGH 24. HUMIDEX 29. UV INDEX 7 OR
HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY AFTER MIDNIGHT WITH
40 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 15.
WEDNESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM IN THE AFTERNOON. HIGH 22. HUMIDEX 26. UV INDEX 5 OR
MODERATE.
LA VERENDRYE WILDLIFE RESERVE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 24. HUMIDEX 27. UV INDEX 6 OR
HIGH.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 60 PERCENT CHANCE OF
SHOWERS LATE THIS EVENING AND OVERNIGHT. LOW 16.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
HIGH 19. UV INDEX 6 OR HIGH.
UPPER GATINEAU - LIEVRE - PAPINEAU.
TODAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 29. UV INDEX 7 OR
HIGH.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY AFTER MIDNIGHT WITH
40 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 16.
WEDNESDAY..A FEW SHOWERS ENDING IN THE AFTERNOON THEN A MIX OF SUN
AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM
IN THE AFTERNOON. HIGH 23. HUMIDEX 27. UV INDEX 5 OR MODERATE.
PONTIAC.
TODAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 31. UV INDEX 6 OR
HIGH.
TONIGHT..BECOMING CLOUDY LATE THIS EVENING WITH 60 PERCENT CHANCE OF
SHOWERS OVERNIGHT. LOW 17.
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING
THEN A MIX OF SUN AND CLOUD. HIGH 24. HUMIDEX 28. UV INDEX 6 OR
HIGH.
TEMISCAMINGUE.
TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS WITH RISK OF A
THUNDERSTORM. WIND SOUTHWEST 20 KM/H. HIGH 24. HUMIDEX 28. UV
INDEX 6 OR HIGH.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW 15.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
HIGH 21. UV INDEX 6 OR HIGH.
ABITIBI.
TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. A FEW SHOWERS
BEGINNING LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS
AFTERNOON. WIND SOUTHWEST 20 KM/H. HIGH 23. HUMIDEX 26. UV INDEX 5
OR MODERATE.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN MAINLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS
EVENING. LOW 13.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
HIGH 20. UV INDEX 5 OR MODERATE.
PARENT - GOUIN RESERVOIR.
TODAY..A MIX OF SUN AND CLOUD. HIGH 23. HUMIDEX 25. UV INDEX 6 OR
HIGH.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS OVERNIGHT.
LOW 14.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 19. UV INDEX 6 OR
HIGH.
MATAGAMI.
TODAY..CLOUDY. A FEW SHOWERS BEGINNING THIS AFTERNOON. RISK OF A
THUNDERSTORM THIS AFTERNOON. WIND SOUTHWEST 20 KM/H GUSTING TO 40.
HIGH 21. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN PARTLY CLOUDY. RISK
OF A THUNDERSTORM EARLY THIS EVENING. LOW 12.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
WIND BECOMING WEST 20 KM/H NEAR NOON. HIGH 19. UV INDEX 5 OR
MODERATE.
WASKAGANISH.
TODAY..SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H
GUSTING TO 40. HIGH 17. UV INDEX 2 OR LOW.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN MAINLY CLOUDY. RISK
OF A THUNDERSTORM EARLY THIS EVENING. WIND BECOMING SOUTHWEST
20 KM/H AFTER MIDNIGHT. LOW 11.
WEDNESDAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND WEST 20 KM/H. HIGH 16. UV INDEX 4 OR MODERATE.
END
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