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

7°F

-14°C

Humidity 65%
Wind Speed WNW 17 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 27 Dec 10:55 PM MST
Extended Forecast for

Big Timber MT

  • Tonight

    Tonight: Partly cloudy, with a low around 0. Wind chill values as low as -15. West wind 9 to 13 mph.

    Low: 0 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 29. Wind chill values as low as -20. West southwest wind 14 to 18 mph.

    High: 29 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. West wind 13 to 15 mph.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 42. West southwest wind 16 to 18 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. West wind around 15 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. West wind around 14 mph.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. West southwest wind 11 to 16 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. West southwest wind around 16 mph.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. West southwest wind around 11 mph.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 0. Wind chill values as low as -15. West wind 9 to 13 mph.
Sunday
Sunny, with a high near 29. Wind chill values as low as -20. West southwest wind 14 to 18 mph.
Sunday Night
Mostly clear, with a low around 21. West wind 13 to 15 mph.
Monday
Mostly sunny, with a high near 42. West southwest wind 16 to 18 mph.
Monday Night
Mostly cloudy, with a low around 30. West wind around 15 mph.
Tuesday
Partly sunny, with a high near 47. West wind around 14 mph.
Tuesday Night
Mostly cloudy, with a low around 35. West southwest wind 11 to 16 mph.
Wednesday
Partly sunny, with a high near 51. West southwest wind around 16 mph.
Wednesday Night
Partly cloudy, with a low around 33. West southwest wind around 11 mph.
New Year's Day
Partly sunny, with a high near 51. West southwest wind 11 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 34. West southwest wind around 11 mph.
Friday
A slight chance of rain and snow showers. Mostly cloudy, with a high near 51. West southwest wind 11 to 20 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 30. West southwest wind around 16 mph. Chance of precipitation is 20%.
Saturday
A 20 percent chance of snow showers. Partly sunny, with a high near 43. West wind 16 to 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Timber MT
 45.84°N 109.94°W (Elev. 4199 ft)
11:05 pm MST Dec 27, 2025
11pm MST Dec 27, 2025-6pm MST Jan 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database