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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

30°F

-1°C

Humidity 98%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 06 Dec 05:00 AM MST
Extended Forecast for

12 Miles NE Big Sky MT

Winter Storm Warning December 6, 05:15am until December 6, 09:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 6, 05:15am until December 6, 09:00pm

    NOW until 9:00pm Sat

    Winter Storm Warning

  • Overnight

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Snow. Patchy fog between 9am and 10am. High near 31. West wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 18. Southwest wind around 7 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 33. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 33 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 25. South southwest wind 7 to 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    then Slight
    Chance Snow

  • Monday

    Monday: A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 38. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow before 2am, then a chance of rain and snow. Cloudy, with a low around 32. South southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow, becoming all snow after 2pm. Cloudy, with a high near 43. West wind 10 to 14 mph, with gusts as high as 29 mph.

    High: 43 °F

    Rain/Snow

Detailed Forecast

Overnight
A 50 percent chance of snow. Cloudy, with a low around 26. West wind around 8 mph, with gusts as high as 22 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow. Patchy fog between 9am and 10am. High near 31. West wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 18. Southwest wind around 7 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Sunday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 33. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 25. South southwest wind 7 to 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 38. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Monday Night
A chance of snow before 2am, then a chance of rain and snow. Cloudy, with a low around 32. South southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
Rain and snow, becoming all snow after 2pm. Cloudy, with a high near 43. West wind 10 to 14 mph, with gusts as high as 29 mph.
Tuesday Night
Snow likely. Cloudy, with a low around 29.
Wednesday
Snow before 11am, then rain and snow likely. Mostly cloudy, with a high near 44.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 30.
Thursday
A chance of snow. Mostly cloudy, with a high near 38.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Mostly cloudy, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Big Sky MT
 45.39°N 111.19°W (Elev. 6998 ft)
Last Update:
4:42 am MST Dec 6, 2025
Forecast Valid:
5am MST Dec 6, 2025-6pm MST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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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