Area Forecast Discussion
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
220 FXUS65 KGGW 022043 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 243 PM MDT Thu May 2 2024 .DISCUSSION... KEY MESSAGES: - Winter Weather Advisory remains in effect for the higher elevations of the Little Rocky Mountains in southwest Phillips County through 4 PM Friday. - Northwest winds are expected to diminish this evening. A Lake Wind Advisory for Fort Peck Lake is effect until 8 PM. - Nighttime temperatures will drop below freezing in many areas tonight and Friday night. - Another round of rain is expected early next week, starting late Sunday. Some places could receive two inches by Wednesday. WEATHER PATTERN OVERVIEW: The upper low over the Sask/Montana border will drift east and finally drift into Ontario Friday. A short term upper ridge will then move in bringing in drying Friday with a warming trend into Sunday. The next system moves in Sunday from the central Rockies and intensify as it moves into the northern Plains Monday. This system looks to stall over the Dakotas Monday Night and not move out till the end of the week. In the meantime, rain and snow will linger over the northeast zones later tonight. Snow amounts look to stay below advisory criteria. Conditions will improve Friday with slightly warmer temperatures, lighter winds and scattered mainly rain showers. TFJ && .AVIATION... LAST UPDATED: 2045Z (2:45 PM) FLIGHT CAT: MVFR with possible IFR DISCUSSION: Low clouds, rain and snow showers will linger through the night at KGGW, KOLF and KSDY but significant visibility reduction is not expected. Conditions will gradually improve Friday with VFR ceilings expected Friday afternoon. WIND: NW winds will diminish this evening, increase slightly Friday then become light and variable Friday Night. TFJ && .GGW WATCHES/WARNINGS/ADVISORIES... Lake Wind Advisory until 8 PM MDT this evening for Central and Southeast Phillips-Central and Southern Valley-Garfield-McCone- Petroleum. Winter Weather Advisory until 4 PM MDT Friday for Southwest Phillips. && $$ weather.gov/glasgow