National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Glasgow, Glasgow International Airport (KGGW)

Lat: 48.21389°NLon: 106.62139°WElev: 2293.0ft.

Clear

18°F

-8°C

Humidity 91%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 16°F (-9°C)
Visibility 8.00 mi
Last update 24 Dec 12:53 AM MST
Extended Forecast for

Glasgow MT

  • Overnight

    Overnight: A slight chance of freezing rain before 4am. Mostly cloudy, with a low around 16. East northeast wind around 11 mph. Chance of precipitation is 20%.

    Low: 16 °F

    Slight Chance
    Freezing Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 26. East wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 26 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of snow before midnight, then a slight chance of freezing rain between midnight and 5am, then a chance of sleet after 5am. Mostly cloudy, with a low around 18. East wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow and sleet accumulation expected.

    Low: 18 °F

    Slight Chance
    Snow then
    Chance Wintry
    Mix

  • Christmas Day

    Christmas Day: A chance of sleet before 8am, then a chance of freezing rain between 8am and 2pm, then a chance of snow after 2pm. Mostly cloudy, with a high near 29. East wind 5 to 9 mph becoming light and variable in the afternoon. Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.

    High: 29 °F

    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: A slight chance of freezing rain before 11pm, then a slight chance of snow after 5am. Mostly cloudy, with a low around 18. East southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Freezing Rain
    then Slight
    Chance Snow

  • Friday

    Friday: A slight chance of snow before 8am, then a slight chance of freezing rain between 8am and 11am, then a slight chance of rain after 11am. Mostly cloudy, with a high near 35. East southeast wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of freezing rain before 2am, then a chance of snow. Mostly cloudy, with a low around 3. Northeast wind 7 to 15 mph becoming west in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 3 °F

    Chance
    Freezing Rain
    then Chance
    Wintry Mix

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 16. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph.

    High: 16 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -9. Northwest wind 11 to 20 mph, with gusts as high as 29 mph.

    Low: -9 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of freezing rain before 4am. Mostly cloudy, with a low around 16. East northeast wind around 11 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 26. East wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
A slight chance of snow before midnight, then a slight chance of freezing rain between midnight and 5am, then a chance of sleet after 5am. Mostly cloudy, with a low around 18. East wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow and sleet accumulation expected.
Christmas Day
A chance of sleet before 8am, then a chance of freezing rain between 8am and 2pm, then a chance of snow after 2pm. Mostly cloudy, with a high near 29. East wind 5 to 9 mph becoming light and variable in the afternoon. Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.
Thursday Night
A slight chance of freezing rain before 11pm, then a slight chance of snow after 5am. Mostly cloudy, with a low around 18. East southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
A slight chance of snow before 8am, then a slight chance of freezing rain between 8am and 11am, then a slight chance of rain after 11am. Mostly cloudy, with a high near 35. East southeast wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of freezing rain before 2am, then a chance of snow. Mostly cloudy, with a low around 3. Northeast wind 7 to 15 mph becoming west in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 16. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 34 mph.
Saturday Night
Partly cloudy, with a low around -9. Northwest wind 11 to 20 mph, with gusts as high as 29 mph.
Sunday
Partly sunny, with a high near 9. Northwest wind 5 to 8 mph becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around -1. East wind around 5 mph.
Monday
Mostly cloudy, with a high near 26.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
A chance of flurries. Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glasgow MT
 48.2°N 106.62°W (Elev. 2198 ft)
Last Update:
2:08 pm MST Dec 23, 2025
Forecast Valid:
1am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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