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

Hazardous Weather Conditions

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

44°F

7°C

Humidity 46%
Wind Speed ESE 13 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 12 Mar 07:15 AM MDT
Extended Forecast for

15 Miles ENE Big Sky MT

High Wind Warning March 12, 07:44am until March 12, 06:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 12, 07:44am until March 12, 06:00pm

    NOW until 6:00pm Thu

    High Wind Warning

  • Today

    High: 30 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Tonight

    Tonight: A 50 percent chance of snow. Areas of blowing snow. Mostly cloudy, with a low around 25. Windy, with a west wind 32 to 37 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 60 mph. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Friday

    Friday: Snow likely, mainly after 11am. Cloudy, with a high near 32. Breezy, with a west wind 25 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: Snow. Low around 26. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow and
    Breezy

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 29. Windy, with a west southwest wind 21 to 30 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 29 °F

    Heavy Snow
    and Windy

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 5. Windy, with a west northwest wind 26 to 31 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 5 °F

    Snow and
    Windy then
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow. Mostly cloudy, with a high near 18. West wind 13 to 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    High: 18 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 16. South southwest wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 16 °F

    Snow Likely

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 10am. Areas of blowing snow after 3pm. Mostly cloudy, with a high near 30. Windy, with a west wind 36 to 44 mph, with gusts as high as 65 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
A 50 percent chance of snow. Areas of blowing snow. Mostly cloudy, with a low around 25. Windy, with a west wind 32 to 37 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 60 mph. New snow accumulation of 1 to 2 inches possible.
Friday
Snow likely, mainly after 11am. Cloudy, with a high near 32. Breezy, with a west wind 25 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 26. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 29. Windy, with a west southwest wind 21 to 30 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 5. Windy, with a west northwest wind 26 to 31 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 18. West wind 13 to 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 16. South southwest wind 15 to 17 mph, with gusts as high as 26 mph.
Monday
Snow likely, mainly before noon. Cloudy, with a high near 33.
Monday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 32. Breezy.
Tuesday
Partly sunny, with a high near 43. Breezy.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Big Sky MT
 45.32°N 111.05°W (Elev. 8901 ft)
Last Update:
5:52 am MDT Mar 12, 2026
Forecast Valid:
7am MDT Mar 12, 2026-6pm MDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation