


Area Forecast Discussion
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
178 FXUS65 KGGW 011051 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 451 AM MDT Fri Aug 1 2025 .DISCUSSION... KEY MESSAGES: - Periodic shower and thunderstorm chances will continue into early next week. Some storms may be severe or produce heavy rain. - Temperatures will continue to be near or slightly below normal. WEATHER PATTERN OVERVIEW: A weak upper ridge over the west will break down into high pressure over the desert southwest and a returned more active jet over the northwest states. While the monsoonal moisture is cut off, Pacific moisture in the southwest flow aloft and low level moisture advection from the Gulf will provide plenty of moisture for storms over the next week. Stronger storms will occur with shortwaves moving through the region. The suppressed ridge will also keep temperatures from rising too much above normal. FORECAST CONFIDENCE & DEVIATIONS: Generally followed the NBM but models have moderate at best for confidence on placement of showers & thunderstorms. && .AVIATION... Mainly VFR. There is moderate to high confidence all TAF sites will experience scattered storms during the TAF period. Gusty erratic winds and heavy rain is possible with these storms. && .GGW WATCHES/WARNINGS/ADVISORIES... None. && $$ weather.gov/glasgow