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

27°F

-3°C

Humidity 92%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 09 Apr 05:00 AM MDT
Extended Forecast for

14 Miles ESE Big Sky MT

  • Today

    Today: Sunny, with a high near 41. West wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind 7 to 14 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: A chance of snow showers after noon, mixing with rain after 3pm. Partly sunny, with a high near 49. South southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 49 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35. South wind 15 to 18 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow showers after noon. Partly sunny, with a high near 45. Breezy, with a south wind 20 to 28 mph, with gusts as high as 44 mph. Little or no snow accumulation expected.

    High: 45 °F

    Breezy.
    Mostly Sunny
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 31. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    Showers and
    Breezy

  • Sunday

    Sunday: Snow showers, mainly after noon. High near 39. Breezy, with a south wind 18 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 32 mph.

    Low: 26 °F

    Snow Likely
    and Breezy

  • Monday

    Monday: Snow. Mostly cloudy, with a high near 34.

    High: 34 °F

    Snow

Detailed Forecast

Today
Sunny, with a high near 41. West wind 9 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 28. Northwest wind 7 to 14 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Friday
A chance of snow showers after noon, mixing with rain after 3pm. Partly sunny, with a high near 49. South southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 35. South wind 15 to 18 mph, with gusts as high as 25 mph.
Saturday
A 50 percent chance of snow showers after noon. Partly sunny, with a high near 45. Breezy, with a south wind 20 to 28 mph, with gusts as high as 44 mph. Little or no snow accumulation expected.
Saturday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 31. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow showers, mainly after noon. High near 39. Breezy, with a south wind 18 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 32 mph.
Monday
Snow. Mostly cloudy, with a high near 34.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow. Partly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
A chance of snow. Partly sunny, with a high near 36. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Big Sky MT
 45.17°N 111.09°W (Elev. 9400 ft)
Last Update:
4:36 am MDT Apr 9, 2026
Forecast Valid:
5am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation