FPCN12 CWNT 181534 AAB UPDATED FORECASTS FOR THE MACKENZIE DELTA AND ARCTIC COAST AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 9:34 A.M. MDT SATURDAY 18 JULY 2026 FOR TODAY AND SUNDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. SOUTH DELTA REGION INCLUDING FT. MCPHERSON - TSIIGEHTCHIC. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. HIGH 17. UV INDEX 3 OR MODERATE. TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING OVERNIGHT. LOW 11. SUNDAY..SUNNY. HIGH 25. HUMIDEX 28. UV INDEX 4 OR MODERATE. AKLAVIK REGION. TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF DRIZZLE CHANGING TO 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. HIGH 15. UV INDEX 4 OR MODERATE. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. LOW 11. SUNDAY..CLEARING IN THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 4 OR MODERATE. ULUKHAKTOK. TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. HIGH 11. UV INDEX 3 OR MODERATE. TONIGHT..A MIX OF SUN AND CLOUD. LOW 8. SUNDAY..A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 4 OR MODERATE. REMAINDER UNCHANGED. END