Area Forecast Discussion
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
738 FXUS65 KGGW 092042 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 142 PM MST Sun Nov 9 2025 .DISCUSSION... KEY MESSAGES: - Strong but brief warm up tomorrow. - Temperatures will remain above normal and gradually lower through the remainder of the week. - Next chance for snow and rain is this weekend. WEATHER PATTERN OVERVIEW: Temperatures warm tomorrow as large scale ridging builds but is suppressed by a shortwave moving through the Canadian Rockies and creating a strong chinook event. The shortwave will briefly flatten the ridge Monday night. Once the wave pushes east on Tuesday, the ridge is expected to rebound keeping temperatures above normal into next weekend. The ridge moves to the east on Friday with an upper trough expected next weekend. Models and ensembles have significant differences on the strength of the trough and whether or not any moisture makes it east of the continental divide. FORECAST CONFIDENCE & DEVIATIONS: Lowered day 1 temperatures slightly below NBM. No changes to NBM otherwise. && .AVIATION... LAST UPDATE: 2030Z FLIGHT CAT RANGE: MVFR - VFR DISCUSSION: A band of low clouds over KGGW with a mix of MVFR and low VFR ceilings. Else, scattered mid level clouds this evening before a deck of mid and high clouds move in from the west late tonight. WIND: SE 5 to 10 knots through tomorrow morning KOLF will be AMD NOT SKED on its TAF until repairs can be made. && .GGW WATCHES/WARNINGS/ADVISORIES... None. && $$ weather.gov/glasgow