FPCN11 CWNT 181359 AAB UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 7:59 A.M. MDT MONDAY 18 MAY 2026 FOR TODAY AND TUESDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. WRIGLEY REGION. TODAY..INCREASING CLOUDINESS THIS MORNING. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR NOON. HIGH 20. UV INDEX 4 OR MODERATE. TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING NEAR MIDNIGHT. LOW PLUS 5. TUESDAY..MAINLY SUNNY. HIGH 18. UV INDEX 4 OR MODERATE. REMAINDER UNCHANGED. END