143
FPCN11 CWNT 111630
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
MONDAY 11 MAY 2026 FOR TODAY AND TUESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING NORTHWEST 20 KM/H
GUSTING TO 40 THIS AFTERNOON. HIGH 16. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW
PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 16. UV INDEX 4 OR MODERATE.
LUTSEL K'E REGION.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. HIGH 8. UV INDEX 4
OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. FOG PATCHES DEVELOPING OVERNIGHT. WIND UP TO 15 KM/H. LOW
MINUS 5. WIND CHILL MINUS 7 OVERNIGHT.
TUESDAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING IN THE MORNING. WIND
UP TO 15 KM/H. HIGH PLUS 5. WIND CHILL MINUS 5 IN THE MORNING. UV
INDEX 3 OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. HIGH 11. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING
OVERNIGHT. LOW PLUS 1.
TUESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. WIND BECOMING NORTH 20 KM/H NEAR NOON. HIGH 10. UV INDEX 4
OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. HIGH 15. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING
OVERNIGHT. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 14. UV INDEX 4 OR MODERATE.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. HIGH 17. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. FOG
PATCHES DEVELOPING OVERNIGHT. LOW PLUS 3.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 14. UV INDEX 4 OR MODERATE.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. HIGH 18. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING
OVERNIGHT. LOW 7.
TUESDAY..CLEARING IN THE MORNING. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 17. UV INDEX 4 OR MODERATE.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..MAINLY SUNNY. WIND WEST 20 KM/H GUSTING TO 40. HIGH 20. UV
INDEX 4 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18. UV INDEX 4 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. HIGH 13. UV
INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 3.
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE MORNING.
CLEARING IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 11. UV INDEX 3 OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..A MIX OF SUN AND CLOUD. HIGH 9. UV INDEX 4 OR MODERATE.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 30 PERCENT CHANCE OF
SHOWERS OVERNIGHT. LOW PLUS 2.
TUESDAY..CLEARING IN THE MORNING. HIGH 10. UV INDEX 4 OR MODERATE.
WRIGLEY REGION.
TODAY..BECOMING CLOUDY THIS AFTERNOON WITH 60 PERCENT CHANCE OF
SHOWERS LATE THIS AFTERNOON. HIGH 16. UV INDEX 3 OR MODERATE.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING.
CLEARING OVERNIGHT. LOW PLUS 3.
TUESDAY..MAINLY SUNNY. HIGH 15. UV INDEX 3 OR MODERATE.
NORMAN WELLS - TULITA REGION.
TODAY..PERIODS OF RAIN OR DRIZZLE. FOG PATCHES. HIGH 7. UV INDEX 1 OR
LOW.
TONIGHT..PERIODS OF RAIN OR DRIZZLE ENDING THIS EVENING THEN CLOUDY.
FOG PATCHES DISSIPATING THIS EVENING. LOW MINUS 1.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 3 OR MODERATE.
FORT GOOD HOPE REGION.
TODAY..LIGHT SNOW ENDING THIS AFTERNOON THEN CLOUDY WITH 30 PERCENT
CHANCE OF FLURRIES OR RAIN SHOWERS. FOG PATCHES. HIGH PLUS 3. UV
INDEX 1 OR LOW.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF FLURRIES OR RAIN SHOWERS THIS
EVENING. FOG PATCHES. LOW MINUS 1.
TUESDAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING NEAR NOON. HIGH 9. UV
INDEX 3 OR MODERATE.
DELINE.
TODAY..PERIODS OF RAIN MIXED WITH LIGHT SNOW. HIGH PLUS 4. UV INDEX 1
OR LOW.
TONIGHT..PERIODS OF RAIN MIXED WITH LIGHT SNOW ENDING NEAR MIDNIGHT
THEN CLOUDY. FOG PATCHES DEVELOPING NEAR MIDNIGHT. WIND UP TO 15
KM/H. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT.
TUESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG
PATCHES DISSIPATING NEAR NOON. WIND UP TO 15 KM/H. HIGH 6. WIND
CHILL MINUS 7 IN THE MORNING. UV INDEX 3 OR MODERATE.
COLVILLE LAKE.
TODAY..CLOUDY WITH 40 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H.
HIGH ZERO. WIND CHILL MINUS 7 THIS MORNING. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY WITH 40 PERCENT CHANCE OF FLURRIES. WIND UP TO 15
KM/H. LOW MINUS 7. WIND CHILL MINUS 12 OVERNIGHT.
TUESDAY..CLOUDY WITH 40 PERCENT CHANCE OF FLURRIES IN THE MORNING.
CLEARING IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH PLUS 3. WIND
CHILL MINUS 12 IN THE MORNING. UV INDEX 3 OR MODERATE.
END
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