FPCN12 CWNT 182130
FORECASTS FOR THE MACKENZIE DELTA AND ARCTIC COAST AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
MONDAY 18 MAY 2026 FOR TONIGHT TUESDAY AND TUESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY.

SOUTH DELTA REGION INCLUDING FT. MCPHERSON - TSIIGEHTCHIC.
TONIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF RAIN SHOWERS OR
 FLURRIES OVERNIGHT. LOW PLUS 1.
TUESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 12.
 UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. LOW
 PLUS 2.

AKLAVIK REGION.
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. WIND NORTHWEST
 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW ZERO.
TUESDAY..MAINLY CLOUDY. HIGH 6. UV INDEX 4 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW ZERO.

INUVIK REGION.
TONIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF FLURRIES
 OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
 EVENING. LOW ZERO.
TUESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 8.
 UV INDEX 4 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. LOW
 PLUS 4.

TUKTOYAKTUK - EAST CHANNEL REGION.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES OVERNIGHT WITH
 RISK OF FREEZING DRIZZLE. WIND NORTHWEST 20 KM/H BECOMING LIGHT
 OVERNIGHT. LOW MINUS 4. WIND CHILL MINUS 9 OVERNIGHT.
TUESDAY..CLOUDY. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 9 IN
 THE MORNING. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..MAINLY CLOUDY. WIND EAST 20 KM/H. LOW MINUS 2. WIND
 CHILL MINUS 8 IN THE EVENING.

PAULATUK.
TONIGHT..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS EVENING.
 30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND SOUTHWEST 30 KM/H
 GUSTING TO 50. LOW MINUS 1.
TUESDAY..CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE MORNING.
 WIND NORTHWEST 30 KM/H. HIGH PLUS 1. WIND CHILL MINUS 8 IN THE
 MORNING. UV INDEX 2 OR LOW.
TUESDAY NIGHT..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE
 EVENING. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL MINUS 8
 OVERNIGHT.

SACHS HARBOUR.
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. 60 PERCENT CHANCE
 OF FLURRIES THIS EVENING WITH RISK OF FREEZING RAIN. WIND NORTH
 20 KM/H INCREASING TO 40 GUSTING TO 60 NEAR MIDNIGHT. LOW MINUS 9.
 WIND CHILL MINUS 19 OVERNIGHT.
TUESDAY..CLEARING IN THE MORNING. WIND NORTH 40 KM/H GUSTING TO 60.
 HIGH MINUS 4. WIND CHILL MINUS 19 IN THE MORNING AND MINUS 10 IN THE
 AFTERNOON. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..MAINLY SUNNY. WIND NORTHEAST 20 KM/H BECOMING LIGHT
 NEAR MIDNIGHT. LOW MINUS 7. WIND CHILL NEAR MINUS 14.

ULUKHAKTOK.
TONIGHT..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR MIDNIGHT WITH
 60 PERCENT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT THEN 60 PERCENT
 CHANCE OF FLURRIES OVERNIGHT. RISK OF FREEZING RAIN OVERNIGHT. WIND
 SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 2. WIND
 CHILL MINUS 6 OVERNIGHT.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES EARLY IN THE
 MORNING AND RISK OF FREEZING RAIN. CLEARING IN THE MORNING. WIND
 BECOMING NORTH 30 KM/H IN THE MORNING. HIGH ZERO. WIND CHILL MINUS 8
 IN THE MORNING. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..SUNNY. WIND NORTH 30 KM/H BECOMING LIGHT IN THE
 EVENING. LOW MINUS 9. WIND CHILL MINUS 14 OVERNIGHT.

END