Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Big Timber Airport (K6S0)

Lat: 45.80647°NLon: 109.97826°WElev: 4494.0ft.

Clear

19°F

-7°C

Humidity 41%
Wind Speed W 35 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 28 Dec 10:35 AM MST
Extended Forecast for

16 Miles ENE Wilsall MT

  • Today

    Today: Patchy blowing snow before 5pm. Sunny and cold, with a high near 8. Wind chill values as low as -30. West wind 21 to 23 mph.

    High: 8 °F

    Patchy
    Blowing Snow

  • Tonight

    Tonight: Patchy blowing snow after 8pm. Partly cloudy, with a temperature rising to around 11 by 5am. Wind chill values as low as -15. West wind 18 to 22 mph.

    Low: 4 °F

    Patchy
    Blowing Snow

  • Monday

    Monday: Patchy blowing snow before 2pm. Mostly sunny, with a high near 21. Wind chill values as low as -10. West wind around 22 mph.

    High: 21 °F

    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Increasing clouds, with a low around 17. Wind chill values as low as zero. West wind around 21 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 27. West wind 16 to 21 mph.

    High: 27 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. West wind 16 to 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. West wind 15 to 20 mph.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. West wind 14 to 16 mph.

    Low: 22 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 33. West southwest wind 15 to 17 mph.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
Patchy blowing snow before 5pm. Sunny and cold, with a high near 8. Wind chill values as low as -30. West wind 21 to 23 mph.
Tonight
Patchy blowing snow after 8pm. Partly cloudy, with a temperature rising to around 11 by 5am. Wind chill values as low as -15. West wind 18 to 22 mph.
Monday
Patchy blowing snow before 2pm. Mostly sunny, with a high near 21. Wind chill values as low as -10. West wind around 22 mph.
Monday Night
Increasing clouds, with a low around 17. Wind chill values as low as zero. West wind around 21 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 27. West wind 16 to 21 mph.
Tuesday Night
Mostly cloudy, with a low around 21. West wind 16 to 20 mph.
Wednesday
Partly sunny, with a high near 32. West wind 15 to 20 mph.
Wednesday Night
Partly cloudy, with a low around 22. West wind 14 to 16 mph.
New Year's Day
Partly sunny, with a high near 33. West southwest wind 15 to 17 mph.
Thursday Night
Mostly cloudy, with a low around 23. West southwest wind 14 to 18 mph.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 29. West southwest wind 18 to 21 mph.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15. West wind 20 to 23 mph.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 24. West wind 20 to 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ENE Wilsall MT
 46.06°N 110.35°W (Elev. 8314 ft)
10:11 am MST Dec 28, 2025
10am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
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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