770
FPCN11 CWUL 181938
FORECASTS FOR WESTERN QUEBEC ISSUED BY ENVIRONMENT CANADA AT
3:45 P.M. EDT TUESDAY 18 AUGUST 2026 FOR TONIGHT WEDNESDAY AND
WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT
WEDNESDAY.
METRO MONTREAL - LAVAL.
TONIGHT..A FEW CLOUDS. LOW 18.
WEDNESDAY..INCREASING CLOUDINESS THEN A FEW SHOWERS BEGINNING IN THE
MORNING. BECOMING A MIX OF SUN AND CLOUD LATE IN THE AFTERNOON. RISK
OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 NEAR NOON. HIGH 21. HUMIDEX 27. UV INDEX 3 OR
MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. WIND
SOUTHWEST 20 KM/H BECOMING LIGHT LATE IN THE EVENING. LOW 16.
VAUDREUIL - SOULANGES - HUNTINGDON.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. LOW 17.
WEDNESDAY..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 21. HUMIDEX
26. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY. LOW 16.
RICHELIEU VALLEY - SAINT-HYACINTHE.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW 15.
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 21. HUMIDEX 26. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..CLEARING LATE IN THE EVENING. LOW 15.
LANAUDIERE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. FOG
PATCHES DEVELOPING OVERNIGHT. LOW 15.
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 NEAR NOON. HIGH 22. HUMIDEX
27. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS
EARLY IN THE EVENING. CLEARING IN THE EVENING. FOG PATCHES
OVERNIGHT. LOW 13.
LACHUTE - SAINT-JEROME.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. FOG
PATCHES DEVELOPING OVERNIGHT. LOW 14.
WEDNESDAY..MAINLY CLOUDY. A FEW SHOWERS BEGINNING EARLY IN THE
MORNING AND ENDING IN THE AFTERNOON THEN 40 PERCENT CHANCE OF
SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM EARLY IN THE
AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING
SOUTHWEST 20 KM/H NEAR NOON. HIGH 22. HUMIDEX 27. UV INDEX 3 OR
MODERATE.
WEDNESDAY NIGHT..CLEARING IN THE EVENING. FOG PATCHES OVERNIGHT.
LOW 13.
LAURENTIANS.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.
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
EARLY IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 22. HUMIDEX 27. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING. CLEARING LATE IN THE EVENING. FOG PATCHES OVERNIGHT.
LOW 9.
MONT-TREMBLANT PARK - SAINT-MICHEL-DES-SAINTS.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 13.
WEDNESDAY..A FEW SHOWERS ENDING LATE IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 21. HUMIDEX 25. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN
THE EVENING. CLEARING OVERNIGHT. FOG PATCHES OVERNIGHT. LOW 11.
MONT-LAURIER.
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 EARLY IN THE AFTERNOON. HIGH 23. HUMIDEX 26. UV INDEX 4
OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN
THE EVENING. CLEARING LATE IN THE EVENING. FOG PATCHES OVERNIGHT.
LOW 10.
LA VERENDRYE WILDLIFE RESERVE.
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 22. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..A FEW CLOUDS. FOG PATCHES OVERNIGHT. LOW 10.
UPPER GATINEAU - LIEVRE - PAPINEAU.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY AFTER MIDNIGHT WITH A FEW
SHOWERS. 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
EARLY IN THE AFTERNOON. HIGH 24. HUMIDEX 27. UV INDEX 5 OR MODERATE.
WEDNESDAY NIGHT..CLEARING. FOG PATCHES OVERNIGHT. LOW 11.
PONTIAC.
TONIGHT..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF SHOWERS
OVERNIGHT. LOW 18.
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING
THEN A MIX OF SUN AND CLOUD. HIGH 24. HUMIDEX 27. UV INDEX 6 OR
HIGH.
WEDNESDAY NIGHT..CLEAR. LOW 13.
TEMISCAMINGUE.
TONIGHT..MAINLY CLOUDY. A FEW SHOWERS BEGINNING EARLY THIS EVENING
AND ENDING BEFORE MORNING. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 14.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
HIGH 21. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..A FEW CLOUDS. FOG PATCHES OVERNIGHT. LOW 11.
ABITIBI.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 13.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
HIGH 20. UV INDEX 5 OR MODERATE.
WEDNESDAY NIGHT..CLEAR. FOG PATCHES OVERNIGHT. WIND WEST 20 KM/H
BECOMING LIGHT LATE IN THE EVENING. LOW 7.
PARENT - GOUIN RESERVOIR.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS OVERNIGHT.
LOW 14.
WEDNESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM IN THE AFTERNOON. HIGH 21. UV INDEX 5 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE
EVENING. FOG PATCHES OVERNIGHT. LOW 10.
MATAGAMI.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING.
WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING.
LOW 13.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
WIND BECOMING WEST 20 KM/H NEAR NOON. HIGH 18. UV INDEX 5 OR
MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS IN
THE EVENING. CLEARING OVERNIGHT. FOG PATCHES OVERNIGHT. WIND WEST
20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 7.
WASKAGANISH.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN MAINLY CLOUDY WITH
40 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS
EVENING. WIND BECOMING SOUTHWEST 20 KM/H AFTER MIDNIGHT. LOW 10.
WEDNESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST
20 KM/H GUSTING TO 40. HIGH 16. UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS.
LOW 10.
END
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