textproduct: Glasgow

KEY MESSAGES

- There will be chances for rain today with a wintry mix possible tonight and Thursday.

- Gusty west to northwest winds are expected on Wednesday with much colder temperatures by Thursday morning. A Lake Wind Advisory has been issued for Fort Peck Lake from 10 am this morning through midnight tonight.

- Mild and dry conditions look to return for the weekend.

DISCUSSION

WEATHER PATTERN OVERVIEW:

A change in regional air mass begins now as scattered rain showers and some stratiform rainfall move into northeast Montana. As of Tuesday evening, most of that fell as virga - evaporating before it hit the ground. But now, overnight and early this morning (Wednesday), that rain is reaching the ground. Most locations can expect accumulations 0.10 inch or less through this evening. But, it should be noted, that low humidity and gusty winds may raise fire weather concerns today, and some adjustments to the given NBM forecast may be necessary.

Please also note, that seasonally, our office has resumed issuing Lake Wind Advisories for Fort Peck Lake as needed. The first Lake Wind Advisory for 2026 is in effect from 10 am this morning through midnight tonight. A cold front today will bring gusty west to northwest winds. The winds will diminish late tonight. Gusty north to northwest winds are expected again Thursday afternoon and evening and another Lake Wind Advisory may be needed for Fort Peck Lake.

Behind the associated cold front, expect overnight low temperatures to drop down into another hard freeze tonight through Friday night, but especially on Thursday night. Any lingering precipitation on Thursday would definitely be snow, with some light accumulations possible.

Beginning on Friday, warm high pressure rebounds, and higher than normal temperatures quickly return to our region. Subsequent active weather with possible rain showers moves in again next week.

FORECAST CONFIDENCE & DEVIATIONS:

Confidence is low for humidity today in our local area. Whether or not it rains today will have a significant impact on humidities. Recent NBM humidity has been off significantly and usually too high. RH forecast for today was lowered to the drier end of the model possibilities for today.

Confidence is average for winds, especially with the NBM 90 blended in.

AVIATION

LAST UPDATE: Wednesday March 25 at 0745Z

FLIGHT CATEGORY: VFR most of the time. Areas of MVFR late tonight.

DISCUSSION: A mix of low and mid level clouds are expected early this morning with chances for light rain at times as a warm front moves through the area. Mid level clouds are expected today with areas of VFR level low clouds this afternoon with light rain at times. Low clouds move in late tonight with MVFR ceilings possible.

WIND: Variable winds less than 10 knots early this morning will become west this morning and increase to 15 to 25 knots this afternoon and become northwest this evening. Winds will become north 5 to 15 knots late tonight.

GGW WATCHES/WARNINGS/ADVISORIES

Lake Wind Advisory from 10 AM this morning to midnight MDT tonight for Central and Southeast Phillips-Central and Southern Valley-Garfield-McCone-Petroleum.