Area Forecast Discussion
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
689 FXUS65 KGGW 302040 AFDGGW Area Forecast Discussion National Weather Service Glasgow MT 240 PM MDT Tue Apr 30 2024 .DISCUSSION... KEY MESSAGES: - Strong west winds will diminish this evening. A Lake Wind Advisory is effect until 9 PM. - Rainshower chances will resume Wednesday Night and continue into Friday. - Nighttime temperatures will drop below freezing in some places this week. - Another round of rainshowers are expected next week, starting late Sunday. WEATHER PATTERN OVERVIEW: A slow moving upper level low will be along the Montana/Canada border until Friday. Look for cool temperatures with frequent chances for precipitation. Look for winds to gradually settle down tonight with a return of clouds and showers Wednesday Night. Rainshowers are expected to end by Friday Night. Upper ridge this weekend will allow for mainly dry weather and warmer temperatures. The next trough/low is expected early next week. This system could be a prolific rain-maker as it stalls over the area, possibly starting off May with above normal rainfall. This should help out the farmers/ranchers as April was drier than normal for most of of the CWA. CONFIDENCE AND POTENTIAL DEVIATIONS FROM BASE FORECAST: Confidence will be low-medium on rain amounts Wednesday Night- Friday and again next week, but confidence will be medium that rain chances will be elevated during both of those periods. There is a low to medium chance that nighttime temperatures could drop to or slip below the freezing mark this week. Some early planted vegitation could suffer if these temperatures drop below freezing. TFJ && .AVIATION... LAST UPDATED: 2035Z FLIGHT CAT: VFR or becoming VFR. DISCUSSION: Clouds will continue to lift and decrease. Mostly clear skies are expected late tonight. A deck of MVFR clouds will drift close to the Canadian border from Sask Wednesday. Those clouds may move into the area Thurday. WIND: West winds diminish to 5 to 10 knots late tonight, then increase to 10 to 15 kts. Wdnesday. TFJ && .CLIMATE... April will end up drier than normal for many areas from Highway 24 east to the North dakota border, however this recent rain will help things. Phillips county received the most with some places from Malta to Wagner (west of Malta) picking up over an inch! Despite some places having a drier than normal April, it has been close to normal for the Calendar and Water years. A Monthly Climate Report for Glasgow for April should be issued within the next couple days. TFJ && .GGW WATCHES/WARNINGS/ADVISORIES... Lake Wind Advisory until 9 PM MDT this evening for Central and Southeast Phillips-Central and Southern Valley-Garfield-McCone- Petroleum. Red Flag Warning until 8 PM MDT this evening for Dawson/McCone/Prairie/Richland/Wibaux Counties. && $$ weather.gov/glasgow