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

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

24°F

-4°C

Humidity NA
Wind Speed SW 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

12 Miles NE Big Sky MT

  • Today

    Today: Mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 57. South southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 57 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 9pm, then a chance of snow. Partly cloudy, with a low around 26. West wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon. Mostly sunny, with a high near 47. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph. Little or no snow accumulation expected.

    High: 47 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow. Partly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 47.

    High: 47 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 54. Calm wind.
Tonight
Mostly cloudy, with a low around 31. Calm wind.
Monday
Partly sunny, with a high near 56. Calm wind.
Monday Night
Partly cloudy, with a low around 33. Calm wind.
Tuesday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 57. South southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 36 mph.
Tuesday Night
A chance of rain and snow before 9pm, then a chance of snow. Partly cloudy, with a low around 26. West wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
A 30 percent chance of snow, mainly after noon. Mostly sunny, with a high near 47. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph. Little or no snow accumulation expected.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 25. Light and variable wind.
Thursday
A chance of snow. Partly sunny, with a high near 47.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 27.
Friday
A chance of rain and snow. Mostly sunny, with a high near 55.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 32.
Saturday
A chance of rain. Mostly sunny, with a high near 59.
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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:
4:48 am MDT Apr 5, 2026
Forecast Valid:
5am MDT Apr 5, 2026-6pm MDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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