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

Pacific Storm System Moves Inland; Strong Storm in Alaska

A Pacific storm system will bring low elevation/valley rain and mountain snow as it moves inland to the central Great Basin through the central Rockies through Thursday. Scattered thunderstorms are likely from California into the Great Basin. A large low pressure system continues to bring snow, blizzard conditions, damaging winds, and mixed precipitation along the Bering Sea and Southwest Alaska. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

36°F

2°C

Humidity 68%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 11 Feb 01:30 PM MST
Extended Forecast for

15 Miles ENE Big Sky MT

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Partly sunny, with a high near 26. West southwest wind around 8 mph.

    High: 26 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West southwest wind 9 to 13 mph.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 30. West wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. Southwest wind around 14 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19. South southwest wind 15 to 18 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 28. South southwest wind 18 to 20 mph, with gusts as high as 33 mph.

    High: 28 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 24. South southwest wind around 16 mph, with gusts as high as 31 mph.

    Low: 24 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow, mainly after 11am. Mostly cloudy, with a high near 30.

    High: 30 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Partly sunny, with a high near 26. West southwest wind around 8 mph.
Tonight
Partly cloudy, with a low around 19. West southwest wind 9 to 13 mph.
Thursday
Mostly sunny, with a high near 30. West wind 11 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 18. Southwest wind around 14 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 29. West southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 19. South southwest wind 15 to 18 mph, with gusts as high as 25 mph.
Saturday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 28. South southwest wind 18 to 20 mph, with gusts as high as 33 mph.
Saturday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 24. South southwest wind around 16 mph, with gusts as high as 31 mph.
Sunday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 30.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Washington's Birthday
Snow likely. Mostly cloudy, with a high near 30.
Monday Night
Snow likely. Mostly cloudy, with a low around 21.
Tuesday
Snow. Mostly cloudy, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Big Sky MT
 45.32°N 111.05°W (Elev. 8901 ft)
Last Update:
11:47 am MST Feb 11, 2026
Forecast Valid:
1pm MST Feb 11, 2026-6pm MST Feb 17, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation