FPCN12 CWNT 190030 AAA UPDATED FORECASTS FOR THE MACKENZIE DELTA AND ARCTIC COAST AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 6:29 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. SACHS HARBOUR. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF FLURRIES THIS EVENING WITH RISK OF FREEZING RAIN. WIND NORTH 40 KM/H GUSTING TO 60. 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. REMAINDER UNCHANGED. END