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

37°F

3°C

Humidity 72%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 14 Apr 09:00 AM MDT
Extended Forecast for

14 Miles ESE Big Sky MT

Winter Storm Watch April 15, 06:00pm until April 17, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Partly sunny, with a high near 35. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 35 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of snow after 5am. Partly cloudy, with a low around 24. Breezy, with a southwest wind around 23 mph, with gusts as high as 33 mph.

    Low: 24 °F

    Breezy.
    Partly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 33. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Breezy.
    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Widespread blowing snow, mainly between midnight and 3am. Low around 20. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 20 °F

    Heavy Snow
    and Blowing
    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. Patchy blowing snow. High near 20. West wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 20 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 8. North northwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 8 °F

    Snow Likely
    then Chance
    Snow

  • Friday

    Friday: Snow likely, mainly after noon. Mostly cloudy, with a high near 22. North northwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Chance Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: A chance of snow before midnight. Mostly cloudy, with a low around 10. Northwest wind 10 to 17 mph becoming west southwest after midnight. Winds could gust as high as 28 mph.

    Low: 10 °F

    Chance Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 35. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 34 mph.
Tonight
A 20 percent chance of snow after 5am. Partly cloudy, with a low around 24. Breezy, with a southwest wind around 23 mph, with gusts as high as 33 mph.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 33. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow. The snow could be heavy at times. Widespread blowing snow, mainly between midnight and 3am. Low around 20. Breezy, with a south southwest wind 22 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow. The snow could be heavy at times. Patchy blowing snow. High near 20. West wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 8. North northwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 22. North northwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A chance of snow before midnight. Mostly cloudy, with a low around 10. Northwest wind 10 to 17 mph becoming west southwest after midnight. Winds could gust as high as 28 mph.
Saturday
Sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 27.
Monday
A slight chance of snow. Mostly sunny, with a high near 44. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Big Sky MT
 45.17°N 111.09°W (Elev. 9400 ft)
Last Update:
3:12 am MDT Apr 14, 2026
Forecast Valid:
9am MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
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