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PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.

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Hazardous Weather Conditions

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

unknown precip

35°F

2°C

Humidity 73%
Wind Speed SE 7 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 06 Dec 03:45 PM MST
Extended Forecast for

14 Miles NE Big Sky MT

Winter Weather Advisory December 6, 04:04pm until December 6, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 6, 04:04pm until December 6, 09:00pm

    NOW until 9:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 26 °F

    Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 19. Southwest wind around 10 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow between 3pm and 4pm. Mostly cloudy, with a high near 30. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 24. Southwest wind 13 to 15 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 34. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow. Cloudy, with a low around 30. South southwest wind 15 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow. High near 38. West wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 11pm. Cloudy, with a low around 27. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Snow Likely

Detailed Forecast

This Afternoon
Snow. Steady temperature around 26. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A 30 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 19. Southwest wind around 10 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Sunday
A 20 percent chance of snow between 3pm and 4pm. Mostly cloudy, with a high near 30. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 24. Southwest wind 13 to 15 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Monday
A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 34. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Monday Night
A 50 percent chance of snow. Cloudy, with a low around 30. South southwest wind 15 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 38. West wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow likely, mainly after 11pm. Cloudy, with a low around 27. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday
Snow. Mostly cloudy, with a high near 38.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Mostly cloudy, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Mostly cloudy, with a high near 36.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NE Big Sky MT
 45.4°N 111.1°W (Elev. 7566 ft)
Last Update:
3:48 pm MST Dec 6, 2025
Forecast Valid:
4pm MST Dec 6, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation