521 FXUS65 KGGW 140307 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 907 PM MDT Sun Apr 13 2025 .DISCUSSION... KEY MESSAGES: * A strong storm system will remain over northeast Montana today, bringing lots of rain, and some snow, in the northeast with strong winds. * Strong winds gusts to near 60 mph will gradually diminish this afternoon, so the High Wind and Blizzard warning will be canceled here shortly for Petroleum county. Strong winds will also diminish area wide. * Warm and dry conditions resume Monday/Tuesday with another upper trough bringing rain and showers on Wednesday/Thursday. WEATHER PATTERN OVERVIEW: Rain and snow showers continue across the area as a strong surface continues churning southward. This system will eventually push south of the region by tomorrow morning, but a reinforcing shortwave trough may help aid in producing scattered snow showers through the morning, especially along the Montana and North Dakota border. As the strong winds diminish this evening, the Lake Wind Advisory will eventually be canceled around 10 PM. Storm system pulls out Sunday Night with temperatures gradually warming into Tuesday. In fact Tuesday looks to be the warmest day of all seven with highs in the 60s and 70s. The next upper trough moves in for unsettled conditions starting Wednesday as an upper trough drops south through central Montana and parts of northeast Montana. Cooler temperatures with rain and snow is expected with this disturbance, but low confidence remains on precipitation amounts and location. FORECAST CONFIDENCE & DEVIATIONS: High confidence in the strong northwest winds diminishing late this evening. There is moderate confidence in forecast precipitation amounts through tomorrow morning. Moderate confidence in snowfall accumulation across the far north and Little Rockies through tomorrow morning. The main deviation was bringing temperatures down in the north to force snow accumulation through tonight. && .AVIATION... LAST UPDATED: 0230Z FLIGHT CAT RANGE: MVFR - VFR. DISCUSSION: Rain showers will exit the TAF sites to the east before midnight. There is high confidence in all VFR ceilings after 06Z with clear skies by 18Z Monday. SFC WIND: NW 10 to 15 Gusting 25 knots this evening. Becoming W to NW and decreasing to 5 to 15 knots Monday morning through the rest of the day. The decreasing to light and variable Monday evening. GAH && .GGW WATCHES/WARNINGS/ADVISORIES... None. && $$ weather.gov/glasgow