Area Forecast Discussion
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
313 FXUS65 KGGW 240800 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 200 AM MDT Mon Aug 24 2026 .KEY MESSAGES... - Post-frontal northwest winds expected today with a Lake Wind Advisory in effect. - Warm and dry conditions resume Tuesday as the western ridge rebounds. && .DISCUSSION... WEATHER PATTERN OVERVIEW: Upper trough moving through the Canadian prairies this morning, knocking down the ridge over Montana, and pushing a cold front into the Dakotas. Cooler temperatures along with gusty west to northeast winds are expected across the region today. A Lake Wind Advisory has been issued for Fort Peck Lake for this afternoon. Upper ridge will rebound across the region through the remainder of the week with warming temperatures and dry conditions. By the end of the week another upper trough will push across the west coast, for another round of thunderstorms through the weekend. FORECAST CONFIDENCE & DEVIATIONS: Made tweaks to PoPs early this morning and to winds for the Lake Wind period. No other changes to NBM. && .AVIATION... UPDATED: 0700Z FLIGHT CONDITION: VFR following a cold front passage early this morning. Northwest winds will increase to 15-20kt, gusting to 35kt, this afternoon. && .GGW WATCHES/WARNINGS/ADVISORIES... Lake Wind Advisory from 10 AM this morning to 9 PM MDT this evening for Central and Southeast Phillips-Central and Southern Valley-Garfield-McCone-Petroleum. && $$ weather.gov/glasgow