


Area Forecast Discussion
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
054 FXUS65 KGGW 150825 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 225 AM MDT Tue Jul 15 2025 .DISCUSSION... KEY MESSAGES: 1) Gusty northeast winds will continue today with a Lake Wind Advisory in effect for Fort Peck Lake until 6 pm. 2) Widespread wet weather is expected today and tonight which will diminish on Wednesday. Additional rainfall today through Wednesday will be light north of US 2 and heavy south of the Missouri River. 3) Temperatures will be cool today and Wednesday and gradually warm to near normal by this weekend. WEATHER PATTERN OVERVIEW: Gusty northeast winds will continue most of today and diminish in the late afternoon and early evening. The Lake Wind advisory is in good shape with no changes made to that product which goes until 6 PM today. Moist WSW flow will continue today and tonight with frequent showers and thunderstorms most of which will be south of US Highway 2. The upper trough moves through eastern Montana Wednesday morning with the rain expect to diminish during the day on Wednesday. Most areas south of the Missouri River will have at least 0.50" today through Wednesday while some areas will exceed 1.00". NBM probability of an inch or more of additional rain is greatest over the southwest zones (30 to 50 percent) across the Little Rockies and toward Winnett and Jordan. Ensembles support a return to near normal temperatures by the end of the week but with active weather continuing at times. FORECAST CONFIDENCE & DEVIATIONS: Confidence otherwise is high for cool weather through Wednesday and high for the wet weather conditions today and tonight south of US 2. Confidence in rainfall today and tonight diminishes going north of US 2 where less frequent rain is expected today and tonight. NBM was used for the forecast cycle and captured expected trends well. && .AVIATION... LAST UPDATED: 0815Z on July 15, 2025 FLIGHT CAT RANGE: Variable between IFR and MVFR most of the time today and tonight with VFR conditions at times. DISCUSSION: Frequent showers and thunderstorms will bring mainly IFR and MVFR ceilings and visibilities most of the time today and tonight. VFR conditions will occur at times especially when there are breaks in the low clouds and rain. Winds: Look for NE winds 10 to 20 knots today becoming east to NE 5 to 10 knots tonight. && .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