Area Forecast Discussion
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
123 FXUS65 KGGW 312005 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 205 PM MDT Fri May 31 2024 .DISCUSSION... KEY MESSAGES: 1) Relatively quiet, warm and dry Saturday, with a disturbance bringing a chance of showers or thunderstorms Saturday night through Sunday night. 2) Stronger system moves through on Monday night bringing a better chance for showers, thunderstorms and wetting rain. 3.) Warming trend starting middle of next week. WEATHER PATTERN OVERVIEW: Fast moving ridge moves through on Saturday bringing a dry and pleasant day. A weak disturbance moves in Saturday night into Sunday evening bringing a 20% to 40% chance of measurable rain, although rainfall amounts are expected to be light. A stronger system moves in Monday afternoon bringing a 60% to 80% chance of measurable rain with probability of rainfall amounts exceeding 0.25" by Tuesday afternoon ranging from 25% in the south part of our CWA to 55% in the north part of our CWA. After Tuesday a strong ridge builds in bringing a dry spell and temperatures warming to above average by Thursday and Friday. CONFIDENCE & DEVIATIONS: High confidence in a quiet and dry day Saturday. Medium confidence in the chance of precipitation and amounts Monday night into Tuesday as well as the ridge building in the end of next week bringing the warm and dry spell. Low confidence in precipitation amounts Saturday night into Sunday. -Bernhart && .AVIATION... LAST UPDATED: 2000Z FLIGHT CAT: VFR DISCUSSION: Conditions remain dry through Saturday evening. A chance of showers or thunderstorms moves through Saturday night into Sunday evening. SFC WIND: Becoming light and variable overnight. Then SW 10 kts by mid morning Saturday. -Bernhart && .GGW WATCHES/WARNINGS/ADVISORIES... None. && $$ weather.gov/glasgow