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.

Mist

17°F

-8°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 16°F (-9°C)
Visibility 6.00 mi
Last update 24 Dec 01:53 AM MST
Extended Forecast for

Glasgow Intl Arpt MT

  • Overnight

    Overnight: A slight chance of freezing rain before 4am. Mostly cloudy, with a low around 16. East northeast wind 11 to 13 mph. Chance of precipitation is 20%.

    Low: 16 °F

    Slight Chance
    Freezing Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 26. Breezy, with an east wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 26 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • 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 steady temperature around 23. East wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow and sleet accumulation expected.

    Low: 23 °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 30. East wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.

    High: 30 °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 20. East southeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 20 °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 chance of rain after 11am. Mostly cloudy, with a high near 35. East southeast wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 35 °F

    Slight Chance
    Wintry Mix
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain before 8pm, then a chance of freezing rain between 8pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 6. Northeast wind 8 to 16 mph becoming west in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 6 °F

    Chance Wintry
    Mix

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 14. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 14 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -8. Northwest wind 11 to 20 mph, with gusts as high as 29 mph.

    Low: -8 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of freezing rain before 4am. Mostly cloudy, with a low around 16. East northeast wind 11 to 13 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 26. Breezy, with an east wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 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 steady temperature around 23. East wind 14 to 18 mph, with gusts as high as 26 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 30. East wind 5 to 10 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 20. East southeast wind around 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 chance of rain after 11am. Mostly cloudy, with a high near 35. East southeast wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 8pm, then a chance of freezing rain between 8pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 6. Northeast wind 8 to 16 mph becoming west in the evening. Winds could gust as high as 22 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 14. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 36 mph.
Saturday Night
Partly cloudy, with a low around -8. Northwest wind 11 to 20 mph, with gusts as high as 29 mph.
Sunday
Partly sunny, with a high near 10. Northwest wind 5 to 9 mph becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 1. East wind around 6 mph.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A chance of flurries. Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glasgow Intl Arpt MT
 48.22°N 106.62°W (Elev. 2297 ft)
Last Update:
2:08 pm MST Dec 23, 2025
Forecast Valid:
2am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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