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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Clear

39°F

4°C

Humidity 38%
Wind Speed W 41 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 29 Dec 01:15 PM MST
Extended Forecast for

16 Miles E Wilsall MT

  • This Afternoon

    This Afternoon: Patchy blowing snow. Sunny, with a high near 19. Wind chill values as low as -5. West wind around 29 mph, with gusts as high as 40 mph.

    High: 19 °F

    Patchy
    Blowing Snow

  • Tonight

    Tonight: Increasing clouds, with a low around 17. Wind chill values as low as zero. West wind around 26 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 25. West wind 17 to 22 mph.

    High: 25 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. West wind 21 to 24 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 30. West wind 18 to 24 mph.

    High: 30 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 23. West wind 18 to 21 mph.

    Low: 23 °F

    Increasing
    Clouds

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 28. West wind 17 to 21 mph.

    High: 28 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 21. West wind around 21 mph.

    Low: 21 °F

    Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 28. West wind 20 to 23 mph.

    High: 28 °F

    Decreasing
    Clouds

Detailed Forecast

This Afternoon
Patchy blowing snow. Sunny, with a high near 19. Wind chill values as low as -5. West wind around 29 mph, with gusts as high as 40 mph.
Tonight
Increasing clouds, with a low around 17. Wind chill values as low as zero. West wind around 26 mph.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 25. West wind 17 to 22 mph.
Tuesday Night
Partly cloudy, with a low around 21. West wind 21 to 24 mph.
Wednesday
Sunny, with a high near 30. West wind 18 to 24 mph.
Wednesday Night
Increasing clouds, with a low around 23. West wind 18 to 21 mph.
New Year's Day
Mostly cloudy, with a high near 28. West wind 17 to 21 mph.
Thursday Night
Cloudy, with a low around 21. West wind around 21 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 28. West wind 20 to 23 mph.
Friday Night
Mostly cloudy, with a low around 23. West wind 22 to 28 mph, with gusts as high as 39 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 27. West southwest wind 22 to 24 mph.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 18. West southwest wind 21 to 23 mph.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 23. West wind 21 to 24 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles E Wilsall MT
 46.02°N 110.31°W (Elev. 9452 ft)
Last Update:
1:04 pm MST Dec 29, 2025
Forecast Valid:
1pm MST Dec 29, 2025-6pm MST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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