Area Forecast Discussion
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
537 FXUS65 KGGW 051918 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 118 PM MDT Sun Oct 5 2025 .DISCUSSION... KEY MESSAGES: - Gusty NW winds will eventually decrease this evening. - Freezing temperatures tonight into tomorrow morning. - Temperatures will warm tomorrow through Wednesday with dry weather. WEATHER PATTERN OVERVIEW: An upper level trough will continue bringing gusty north northwest winds before the boundary layer strengthens enough to bring the winds down. The Lake Wind Advisory for Fort Peck Lake remains through 6 PM today. High pressure will move into Montana this afternoon and evening which will clear skies across the forecast area. Clear skies and light winds tonight will allow temperatures to fall into the upper teens in a few locations. An upper ridge will build into the area to bring temperatures up through Wednesday. A dry cold front Wednesday night will bring slightly cooler temperatures on Thursday. Dry weather continues on Friday with another ridge over the area. There is a trough potentially moving in next weekend. FORECAST CONFIDENCE & DEVIATIONS: There is high confidence in most locations falling below freezing tonight into tomorrow morning. There is moderate confidence in an upper trough moving in by next weekend, but there is low confidence on precipitation chances and amounts. Adjusted winds with NBM90 and NBM for today and tomorrow. Brought low temperatures down for this morning with NBM and NBM25 percent. No other deviations from NBM. && .AVIATION... LAST UPDATE: 2000Z FLIGHT CAT RANGE: VFR today and tonight. DISCUSSION: Mid and high clouds will clear out throughout the day today and clear skies are expected tonight. WIND: North northwest at 15 to 25 knots, decreasing to 5 to 10 knots after 00z, becoming light and variable after 04Z. EQUIPMENT: At KSDY an AMD NOT SKED will remain in place until the METARs comms issue is repaired. && .GGW WATCHES/WARNINGS/ADVISORIES... Lake Wind Advisory until 6 PM MDT this evening for Central and Southeast Phillips-Central and Southern Valley-Garfield-McCone- Petroleum. && $$ weather.gov/glasgow