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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Mostly Cloudy

43°F

6°C

Humidity 41%
Wind Speed W 10 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 26 Dec 05:55 PM MST
Extended Forecast for

17 Miles E Wilsall MT

  • Tonight

    Tonight: Snow showers, mainly after 5am. The snow could be heavy at times. Widespread blowing snow, mainly after 2am. Low around 11. Wind chill values as low as -5. West southwest wind 33 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 11 °F

    Patchy
    Blowing Snow
    then Heavy
    Snow and
    Blowing Snow

  • Saturday

    Saturday: Snow showers before 10am, then a chance of snow showers after 11am. The snow could be heavy at times. Widespread blowing snow, mainly before 5pm. Temperature falling to around 2 by 5pm. Wind chill values as low as -20. West wind 32 to 37 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of around 5 inches.

    High: 16 °F⇓

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 11pm. Areas of blowing snow. Mostly cloudy, with a low around -5. Wind chill values as low as -30. West northwest wind 20 to 25 mph.

    Low: -5 °F

    Slight Chance
    Snow Showers
    and Areas
    Blowing Snow

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 9. Wind chill values as low as -30. West wind 18 to 20 mph.

    High: 9 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature rising to around 11 by 5am. West wind 18 to 22 mph.

    Low: 5 °F⇑

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 22. West wind 20 to 23 mph.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 17. West wind 18 to 22 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 27. West wind 17 to 22 mph.

    High: 27 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. West wind 17 to 20 mph.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow showers, mainly after 5am. The snow could be heavy at times. Widespread blowing snow, mainly after 2am. Low around 11. Wind chill values as low as -5. West southwest wind 33 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Saturday
Snow showers before 10am, then a chance of snow showers after 11am. The snow could be heavy at times. Widespread blowing snow, mainly before 5pm. Temperature falling to around 2 by 5pm. Wind chill values as low as -20. West wind 32 to 37 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of around 5 inches.
Saturday Night
A 20 percent chance of snow showers before 11pm. Areas of blowing snow. Mostly cloudy, with a low around -5. Wind chill values as low as -30. West northwest wind 20 to 25 mph.
Sunday
Mostly sunny and cold, with a high near 9. Wind chill values as low as -30. West wind 18 to 20 mph.
Sunday Night
Mostly clear, with a temperature rising to around 11 by 5am. West wind 18 to 22 mph.
Monday
Mostly sunny, with a high near 22. West wind 20 to 23 mph.
Monday Night
Increasing clouds, with a low around 17. West wind 18 to 22 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 27. West wind 17 to 22 mph.
Tuesday Night
Mostly cloudy, with a low around 19. West wind 17 to 20 mph.
Wednesday
Mostly cloudy, with a high near 30. West wind 14 to 18 mph.
Wednesday Night
Mostly cloudy, with a low around 14. West southwest wind around 14 mph.
New Year's Day
Partly sunny, with a high near 28. West southwest wind around 14 mph.
Thursday Night
Mostly cloudy, with a low around 18. West southwest wind 14 to 17 mph.
Friday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 27. West southwest wind 15 to 17 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles E Wilsall MT
 46.04°N 110.31°W (Elev. 8451 ft)
Last Update:
5:45 pm MST Dec 26, 2025
Forecast Valid:
6pm MST Dec 26, 2025-6pm MST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation