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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Glasgow, Glasgow International Airport (KGGW)

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

freezing fog

18°F

-8°C

Humidity 96%
Wind Speed NA NA MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 17°F (-8°C)
Visibility 0.50 mi
Last update 01 Jan 04:53 AM MST
Extended Forecast for

Glasgow MT

Dense Fog Advisory January 1, 05:51am until January 1, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory January 1, 05:51am until January 1, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • New Year's Day

    High: 23 °F

    Patchy Dense
    Freezing Fog
    then Cloudy

  • Tonight

    Tonight: Patchy freezing fog. Cloudy, with a low around 13. East wind around 7 mph.

    Low: 13 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: A 20 percent chance of snow. Patchy freezing fog before 2pm. Cloudy, with a high near 22. East southeast wind around 6 mph.

    High: 22 °F

    Slight Chance
    Snow and
    Patchy
    Freezing Fog

  • Friday Night

    Friday Night: Patchy freezing fog after 5am. Mostly cloudy, with a low around 12. East wind around 5 mph becoming north northwest after midnight.

    Low: 12 °F

    Mostly Cloudy
    then Patchy
    Freezing Fog

  • Saturday

    Saturday: Patchy freezing fog before 8am. Mostly cloudy, with a high near 23. Light and variable wind becoming east 5 to 10 mph in the morning.

    High: 23 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 14. East wind 6 to 10 mph.

    Low: 14 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 33. East wind around 6 mph becoming west northwest in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. South wind around 7 mph.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

New Year's Day
Patchy dense freezing fog before noon. Cloudy, with a high near 23. Northwest wind around 6 mph becoming calm.
Tonight
Patchy freezing fog. Cloudy, with a low around 13. East wind around 7 mph.
Friday
A 20 percent chance of snow. Patchy freezing fog before 2pm. Cloudy, with a high near 22. East southeast wind around 6 mph.
Friday Night
Patchy freezing fog after 5am. Mostly cloudy, with a low around 12. East wind around 5 mph becoming north northwest after midnight.
Saturday
Patchy freezing fog before 8am. Mostly cloudy, with a high near 23. Light and variable wind becoming east 5 to 10 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 14. East wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 33. East wind around 6 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 19. South wind around 7 mph.
Monday
Partly sunny, with a high near 35. South wind around 7 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 15. West wind around 7 mph.
Tuesday
Partly sunny, with a high near 31. West northwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glasgow MT
 48.19°N 106.65°W (Elev. 2070 ft)
Last Update:
2:42 am MST Jan 1, 2026
Forecast Valid:
5am MST Jan 1, 2026-6pm MST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation