477
FPCN11 CWNT 122130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
TUESDAY 12 MAY 2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT
WEDNESDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW PLUS 4.
WEDNESDAY..MAINLY CLOUDY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN
THE AFTERNOON. HIGH 18. UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND
EAST 20 KM/H GUSTING TO 40. LOW PLUS 5.
LUTSEL K'E REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 5
OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN
THE AFTERNOON. HIGH 6. WIND CHILL MINUS 5 IN THE MORNING. UV INDEX 4
OR MODERATE.
WEDNESDAY NIGHT..MAINLY CLOUDY. WIND EAST 20 KM/H GUSTING TO 40. LOW
MINUS 4. WIND CHILL MINUS 12 OVERNIGHT.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW PLUS 3.
WEDNESDAY..MAINLY CLOUDY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN
THE AFTERNOON. HIGH 12. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND
EAST 20 KM/H GUSTING TO 40. LOW PLUS 4.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW PLUS 3.
WEDNESDAY..MAINLY CLOUDY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN
THE AFTERNOON. HIGH 8. UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE
EVENING AND OVERNIGHT. WIND EAST 20 KM/H GUSTING TO 40. LOW PLUS 1.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON. WIND
BECOMING EAST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 12. UV
INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND EAST
20 KM/H GUSTING TO 40. LOW PLUS 3.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW 8.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE MORNING.
HIGH 15. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT.
LOW 6.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW 7.
WEDNESDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGH 12. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 7.
YELLOWKNIFE REGION.
TONIGHT..PARTLY CLOUDY. LOW PLUS 1.
WEDNESDAY..MAINLY CLOUDY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN
THE AFTERNOON. HIGH 10. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..MAINLY CLOUDY. WIND EAST 20 KM/H GUSTING TO 40.
LOW ZERO.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..PARTLY CLOUDY. LOW PLUS 3 EXCEPT MINUS 2 OVER NORTHEASTERN
SECTIONS.
WEDNESDAY..CLOUDY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 7. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..CLOUDY. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. WIND
EAST 20 KM/H GUSTING TO 40. LOW MINUS 1.
WRIGLEY REGION.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 60 PERCENT CHANCE OF
SHOWERS LATE THIS EVENING AND OVERNIGHT. LOW PLUS 5.
WEDNESDAY..PERIODS OF RAIN. HIGH 9. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..PERIODS OF RAIN. LOW PLUS 3.
NORMAN WELLS - TULITA REGION.
TONIGHT..BECOMING CLOUDY THIS EVENING THEN PERIODS OF RAIN. RAIN
MIXED WITH SNOW BEFORE MORNING. LOW PLUS 2.
WEDNESDAY..PERIODS OF RAIN. RAIN AT TIMES MIXED WITH SNOW EARLY IN
THE MORNING. HIGH 6. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..PERIODS OF RAIN CHANGING TO SNOW NEAR MIDNIGHT.
LOCAL SNOWFALL AMOUNT 2 TO 4 CM. LOW MINUS 1.
FORT GOOD HOPE REGION.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT WITH 60 PERCENT
CHANCE OF FLURRIES BEFORE MORNING. WIND UP TO 15 KM/H. LOW MINUS 2.
WIND CHILL MINUS 6 OVERNIGHT.
WEDNESDAY..CLOUDY. 60 PERCENT CHANCE OF FLURRIES CHANGING TO
60 PERCENT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WIND UP TO 15
KM/H. HIGH 6. WIND CHILL MINUS 6 IN THE MORNING. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF RAIN SHOWERS CHANGING
TO 60 PERCENT CHANCE OF FLURRIES IN THE EVENING. WIND UP TO 15 KM/H.
LOW MINUS 4. WIND CHILL MINUS 7 OVERNIGHT.
DELINE.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT THEN PERIODS OF
LIGHT SNOW. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 7
OVERNIGHT.
WEDNESDAY..PERIODS OF LIGHT SNOW. WIND BECOMING EAST 20 KM/H NEAR
NOON. HIGH ZERO. WIND CHILL MINUS 6 IN THE MORNING. UV INDEX 1 OR
LOW.
WEDNESDAY NIGHT..PERIODS OF SNOW. AMOUNT 2 CM. WIND EAST 20 KM/H
BECOMING LIGHT NEAR MIDNIGHT. LOW MINUS 4. WIND CHILL NEAR MINUS 9.
COLVILLE LAKE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. LOW MINUS 6. WIND CHILL MINUS 5 THIS EVENING AND MINUS 10
OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP
TO 15 KM/H. HIGH PLUS 1. WIND CHILL MINUS 10 IN THE MORNING. UV
INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES
EARLY IN THE EVENING. CLEARING LATE IN THE EVENING. WIND UP TO 15
KM/H. LOW MINUS 9. WIND CHILL MINUS 14 OVERNIGHT.
END
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