Blizzard Conditions Are Forecast Across Parts of the Northern Plains and Upper Great Lakes

In the north-central U.S., a strong storm will continue to bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest tonight before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Read More >

Current conditions at

Comertown Turn-Off MT-5 MP 13.4 (MTCOM)

Lat: 48.81°NLon: 104.2529°WElev: 2359.0ft.

NA

9°F

-13°C

Humidity 74%
Wind Speed NW 11 MPH
Barometer NA
Dewpoint 2°F (-17°C)
Visibility NA
Wind Chill-5°F (-21°C)
Last update 26 Nov 12:45 AM MST
Extended Forecast for

8 Miles SSW Westby MT

  • Overnight

    Overnight: Patchy dense freezing fog after 5am. Partly cloudy, with a low around 4. Wind chill values between -5 and zero. West wind around 5 mph becoming calm.

    Low: 4 °F

    Patchy Dense
    Freezing Fog

  • Wednesday

    Wednesday: Patchy dense freezing fog before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 22. Wind chill values between zero and 10. Light southwest wind.

    High: 22 °F

    Patchy Dense
    Freezing Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 4. Light north northwest wind.

    Low: 4 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Increasing clouds, with a high near 19. Light and variable wind.

    High: 19 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Cloudy, with a low around 8. East southeast wind around 6 mph.

    Low: 8 °F

    Cloudy

  • Friday

    Friday: A 20 percent chance of snow.  Patchy dense freezing fog after 11am. Cloudy, with a high near 20. East wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 20 °F

    Slight Chance
    Snow and
    Patchy Dense
    Freezing Fog

  • Friday Night

    Friday Night: Areas of dense freezing fog before 11pm. Cloudy, with a low around 0. North wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 0 °F

    Areas Dense
    Freezing Fog
    then Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 10. West northwest wind 8 to 10 mph.

    High: 10 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -6. West wind around 8 mph.

    Low: -6 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy dense freezing fog after 5am. Partly cloudy, with a low around 4. Wind chill values between -5 and zero. West wind around 5 mph becoming calm.
Wednesday
Patchy dense freezing fog before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 22. Wind chill values between zero and 10. Light southwest wind.
Wednesday Night
Mostly cloudy, with a low around 4. Light north northwest wind.
Thanksgiving Day
Increasing clouds, with a high near 19. Light and variable wind.
Thursday Night
Cloudy, with a low around 8. East southeast wind around 6 mph.
Friday
A 20 percent chance of snow. Patchy dense freezing fog after 11am. Cloudy, with a high near 20. East wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Areas of dense freezing fog before 11pm. Cloudy, with a low around 0. North wind 9 to 11 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 10. West northwest wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around -6. West wind around 8 mph.
Sunday
Mostly sunny, with a high near 9. West wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around -5. West southwest wind 8 to 10 mph.
Monday
Partly sunny, with a high near 12.
Monday Night
Cloudy, with a low around -2.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Westby MT
 48.76°N 104.14°W (Elev. 2100 ft)
8:32 pm MST Nov 25, 2025
1am MST Nov 26, 2025-6pm MST Dec 2, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database