305
FPCN11 CWUL 180844
FORECASTS FOR WESTERN QUEBEC ISSUED BY ENVIRONMENT CANADA AT
5:00 A.M. EDT MONDAY 18 MAY 2026 FOR TODAY AND TUESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:30 A.M. EDT.
METRO MONTREAL - LAVAL.
TODAY..SHOWERS ENDING NEAR NOON THEN CLEARING. WIND NORTHEAST
20 KM/H. HIGH 23. HUMIDEX 26. UV INDEX 6 OR HIGH.
TONIGHT..CLEAR THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT CHANCE
OF SHOWERS OVERNIGHT. WIND EAST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW 19.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN
A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO
40 IN THE MORNING THEN INCREASING TO 40 GUSTING TO 60 NEAR NOON.
HIGH 29. HUMIDEX 35. UV INDEX 8 OR VERY HIGH.
VAUDREUIL - SOULANGES - HUNTINGDON.
TODAY..SHOWERS ENDING NEAR NOON THEN CLEARING. RISK OF A THUNDERSTORM
THIS MORNING. HIGH 25. HUMIDEX 28. UV INDEX 6 OR HIGH.
TONIGHT..CLEAR THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT CHANCE
OF SHOWERS OVERNIGHT. LOW 20.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN
A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO
40 IN THE MORNING THEN INCREASING TO 40 GUSTING TO 60 NEAR NOON.
HIGH 29. HUMIDEX 35. UV INDEX 8 OR VERY HIGH.
RICHELIEU VALLEY - SAINT-HYACINTHE.
TODAY..CLOUDY. SHOWERS BEGINNING EARLY THIS MORNING AND ENDING THIS
AFTERNOON. CLEARING THIS AFTERNOON. RISK OF A THUNDERSTORM THIS
MORNING. HIGH 26. HUMIDEX 30. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT CHANCE
OF SHOWERS OVERNIGHT. LOW 19.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN
A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 30 KM/H GUSTING TO
50 IN THE MORNING. HIGH 29. HUMIDEX 35. UV INDEX 9 OR VERY HIGH.
LANAUDIERE.
TODAY..CLOUDY. SHOWERS BEGINNING EARLY THIS MORNING AND ENDING THIS
AFTERNOON. CLEARING THIS AFTERNOON. HIGH 18. UV INDEX 5 OR MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. FOG
PATCHES OVERNIGHT. LOW 13.
TUESDAY..A FEW SHOWERS ENDING NEAR NOON THEN A MIX OF SUN AND CLOUD.
WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE MORNING. HIGH 27.
HUMIDEX 32. UV INDEX 8 OR VERY HIGH.
LACHUTE - SAINT-JEROME.
TODAY..SHOWERS ENDING NEAR NOON THEN CLEARING. HIGH 20. UV INDEX 6 OR
HIGH.
TONIGHT..CLEAR THIS EVENING AND AFTER MIDNIGHT THEN PARTLY CLOUDY
WITH 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 13.
TUESDAY..A FEW SHOWERS ENDING NEAR NOON THEN A MIX OF SUN AND CLOUD.
WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE AFTERNOON. HIGH 27.
HUMIDEX 33. UV INDEX 8 OR VERY HIGH.
LAURENTIANS.
TODAY..SHOWERS ENDING NEAR NOON THEN CLEARING. HIGH 21. HUMIDEX 25.
UV INDEX 6 OR HIGH.
TONIGHT..CLEAR THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT CHANCE
OF SHOWERS LATE THIS EVENING AND OVERNIGHT. FOG PATCHES OVERNIGHT.
LOW 16.
TUESDAY..SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 24.
HUMIDEX 32. UV INDEX 3 OR MODERATE.
MONT-TREMBLANT PARK - SAINT-MICHEL-DES-SAINTS.
TODAY..SHOWERS ENDING NEAR NOON THEN CLOUDY. HIGH 18. UV INDEX 7 OR
HIGH.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND OVERNIGHT. RISK OF THUNDERSTORMS LATE THIS EVENING AND
AFTER MIDNIGHT. LOW 16.
TUESDAY..SHOWERS. RISK OF THUNDERSTORMS IN THE AFTERNOON. HIGH 20.
HUMIDEX 27. UV INDEX 3 OR MODERATE.
MONT-LAURIER.
TODAY..SHOWERS ENDING LATE THIS MORNING THEN MAINLY CLOUDY. HIGH 20.
HUMIDEX 25. UV INDEX 7 OR HIGH.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH A FEW SHOWERS. RISK OF
THUNDERSTORMS THIS EVENING. AMOUNT 10 TO 20 MM. LOW 17.
TUESDAY..SHOWERS. RISK OF THUNDERSTORMS IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H LATE IN THE MORNING. HIGH 23. HUMIDEX 31.
UV INDEX 3 OR MODERATE.
LA VERENDRYE WILDLIFE RESERVE.
TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. HIGH 18. UV INDEX 5 OR MODERATE.
TONIGHT..SHOWERS. RISK OF THUNDERSTORMS THIS EVENING. AMOUNT 10 TO
20 MM. LOW 15.
TUESDAY..SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H LATE IN THE AFTERNOON. HIGH 20. HUMIDEX
26. UV INDEX 3 OR MODERATE.
UPPER GATINEAU - LIEVRE - PAPINEAU.
TODAY..RAIN ENDING THIS MORNING THEN A MIX OF SUN AND CLOUD. HIGH 22.
HUMIDEX 28. UV INDEX 8 OR VERY HIGH.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH SHOWERS. RISK OF A
THUNDERSTORM LATE THIS EVENING. AMOUNT 10 TO 15 MM. LOW 16.
TUESDAY..SHOWERS. RISK OF THUNDERSTORMS IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H IN THE MORNING. HIGH 25. HUMIDEX 32. UV
INDEX 3 OR MODERATE.
PONTIAC.
TODAY..RAIN ENDING THIS MORNING THEN A MIX OF SUN AND CLOUD. RISK OF
A THUNDERSTORM THIS MORNING. HIGH 27. HUMIDEX 35. UV INDEX 8 OR VERY
HIGH.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH A FEW SHOWERS. RISK OF A
THUNDERSTORM LATE THIS EVENING. AMOUNT 10 TO 20 MM. LOW 16.
TUESDAY..SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H IN THE MORNING. HIGH 22. HUMIDEX 30. UV
INDEX 3 OR MODERATE.
TEMISCAMINGUE.
TODAY..SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. WIND BECOMING
SOUTHWEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 19. UV INDEX 3
OR MODERATE.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM THIS EVENING. AMOUNT 10 TO
20 MM. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 13.
TUESDAY..SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 30 KM/H IN THE AFTERNOON. HIGH 19. UV INDEX 3 OR
MODERATE.
ABITIBI.
TODAY..BECOMING CLOUDY THIS MORNING WITH A FEW SHOWERS. RISK OF A
THUNDERSTORM THIS AFTERNOON. AMOUNT 10 TO 20 MM. WIND BECOMING
SOUTHEAST 20 KM/H THIS MORNING. HIGH 19. UV INDEX 3 OR MODERATE.
TONIGHT..PERIODS OF RAIN OR DRIZZLE. LOW 10.
TUESDAY..SHOWERS. WIND BECOMING SOUTH 20 KM/H LATE IN THE MORNING.
HIGH 17. UV INDEX 3 OR MODERATE.
PARENT - GOUIN RESERVOIR.
TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 13. UV
INDEX 6 OR HIGH.
TONIGHT..SHOWERS. RISK OF THUNDERSTORMS THIS EVENING AND AFTER
MIDNIGHT. AMOUNT 10 TO 20 MM. TEMPERATURE STEADY NEAR 14.
TUESDAY..SHOWERS. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 18.
UV INDEX 3 OR MODERATE.
MATAGAMI.
TODAY..INCREASING CLOUDINESS. PERIODS OF RAIN BEGINNING NEAR NOON.
AMOUNT 10 TO 20 MM. WIND BECOMING EAST 20 KM/H THIS MORNING.
HIGH 10. UV INDEX 6 OR HIGH.
TONIGHT..PERIODS OF RAIN ENDING THIS EVENING THEN CLOUDY WITH
40 PERCENT CHANCE OF DRIZZLE. WIND NORTHEAST 20 KM/H BECOMING LIGHT
NEAR MIDNIGHT. LOW 6.
TUESDAY..CLOUDY. 40 PERCENT CHANCE OF DRIZZLE IN THE MORNING. PERIODS
OF RAIN BEGINNING LATE IN THE MORNING. WIND BECOMING EAST 20 KM/H
LATE IN THE MORNING. HIGH 11. UV INDEX 2 OR LOW.
WASKAGANISH.
TODAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING EARLY THIS AFTERNOON.
WIND BECOMING NORTHEAST 20 KM/H NEAR NOON. HIGH 7. WIND CHILL
MINUS 11 THIS MORNING. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. WIND NORTHEAST 20 KM/H. LOW ZERO.
TUESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY LATE IN THE MORNING
THEN PERIODS OF RAIN. AMOUNT 15 MM. WIND NORTHEAST 20 KM/H. HIGH 7.
UV INDEX 5 OR MODERATE.
END
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