FPCN12 CWNT 202130 FORECASTS FOR THE MACKENZIE DELTA AND ARCTIC COAST AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT SUNDAY 20 SEPTEMBER 2026 FOR TONIGHT MONDAY AND MONDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT MONDAY. SOUTH DELTA REGION INCLUDING FT. MCPHERSON - TSIIGEHTCHIC. TONIGHT..PERIODS OF RAIN ENDING OVERNIGHT THEN CLOUDY WITH 60 PERCENT CHANCE OF DRIZZLE OR SHOWERS. AMOUNT 10 MM. WIND NORTH 20 KM/H BECOMING LIGHT OVERNIGHT. LOW PLUS 2. MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF DRIZZLE OR SHOWERS. HIGH PLUS 4. MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF DRIZZLE OR SHOWERS. LOW PLUS 1. AKLAVIK REGION. TONIGHT..PERIODS OF RAIN BECOMING MIXED WITH SNOW NEAR MIDNIGHT. RAINFALL AMOUNT 10 TO 15 MM. WIND NORTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 1. MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES OR DRIZZLE. WIND NORTHWEST 20 KM/H. HIGH PLUS 3. MONDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES OR DRIZZLE. RISK OF FREEZING DRIZZLE OVERNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW ZERO. INUVIK REGION. TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING EARLY THIS EVENING. AMOUNT 10 TO 15 MM. LOW PLUS 2. MONDAY..PERIODS OF RAIN ENDING IN THE AFTERNOON THEN CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH PLUS 4. MONDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS IN THE EVENING THEN 60 PERCENT CHANCE OF FLURRIES OVERNIGHT. LOW ZERO. TUKTOYAKTUK - EAST CHANNEL REGION. TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING EARLY THIS EVENING. AMOUNT 5 MM. WIND BECOMING NORTH 20 KM/H THIS EVENING. TEMPERATURE STEADY NEAR PLUS 3. MONDAY..PERIODS OF RAIN ENDING IN THE AFTERNOON THEN CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. AMOUNT 5 MM. WIND NORTH 20 KM/H GUSTING TO 40. TEMPERATURE STEADY NEAR PLUS 3. MONDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS OR FLURRIES. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. TEMPERATURE STEADY NEAR PLUS 1. PAULATUK. TONIGHT..BECOMING CLOUDY THIS EVENING THEN PERIODS OF RAIN. AMOUNT 5 MM. LOW PLUS 5. MONDAY..PERIODS OF RAIN. AMOUNT 5 MM. WIND BECOMING WEST 30 KM/H GUSTING TO 50 IN THE MORNING. TEMPERATURE STEADY NEAR PLUS 5. MONDAY NIGHT..PERIODS OF RAIN ENDING OVERNIGHT THEN CLOUDY. AMOUNT 5 MM. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT OVERNIGHT. LOW PLUS 2. SACHS HARBOUR. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS OR DRIZZLE. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 THIS EVENING. TEMPERATURE STEADY NEAR PLUS 2. MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS OR DRIZZLE. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING NORTH 40 GUSTING TO 60 IN THE MORNING. TEMPERATURE STEADY NEAR PLUS 2. MONDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES AND RISK OF FREEZING DRIZZLE. WIND NORTH 50 KM/H GUSTING TO 70 DIMINISHING TO 30 GUSTING TO 50 OVERNIGHT. LOW MINUS 5. WIND CHILL MINUS 13 OVERNIGHT. ULUKHAKTOK. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS OR DRIZZLE. PERIODS OF RAIN BEGINNING OVERNIGHT. WIND BECOMING EAST 30 KM/H GUSTING TO 50 OVERNIGHT. TEMPERATURE STEADY NEAR PLUS 5. MONDAY..PERIODS OF RAIN. AMOUNT 5 TO 10 MM. WIND EAST 30 KM/H GUSTING TO 50 BECOMING LIGHT IN THE AFTERNOON. HIGH 7. MONDAY NIGHT..PERIODS OF RAIN ENDING OVERNIGHT THEN CLOUDY. AMOUNT 5 MM. WIND BECOMING NORTHWEST 30 KM/H GUSTING TO 50 IN THE EVENING. LOW PLUS 1. END