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

26°F

-3°C

Humidity 94%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 09 Apr 07:15 AM MDT
Extended Forecast for

13 Miles ESE Big Sky MT

  • Today

    Today: Sunny, with a high near 42. West wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind 8 to 14 mph becoming east southeast in the evening. 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 50. South southeast wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 50 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. South wind 16 to 21 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow showers after noon. Partly sunny, with a high near 47. Windy, with a south wind 23 to 31 mph, with gusts as high as 45 mph. Little or no snow accumulation expected.

    High: 47 °F

    Mostly Sunny
    and Breezy
    then Chance
    Snow Showers
    and Windy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 32. Windy, with a south southwest wind 21 to 30 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    Showers and
    Windy

  • Sunday

    Sunday: Snow showers, mainly after noon. High near 40. Breezy, with a south wind 21 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 27. South southwest wind 11 to 17 mph, with gusts as high as 33 mph.

    Low: 27 °F

    Snow Likely

  • Monday

    Monday: Snow. Mostly cloudy, with a high near 35.

    High: 35 °F

    Snow

Detailed Forecast

Today
Sunny, with a high near 42. West wind 10 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 28. Northwest wind 8 to 14 mph becoming east southeast in the evening. 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 50. South southeast wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 36. South wind 16 to 21 mph, with gusts as high as 25 mph.
Saturday
A 50 percent chance of snow showers after noon. Partly sunny, with a high near 47. Windy, with a south wind 23 to 31 mph, with gusts as high as 45 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 32. Windy, with a south southwest wind 21 to 30 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow showers, mainly after noon. High near 40. Breezy, with a south wind 21 to 26 mph, with gusts as high as 39 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 27. South southwest wind 11 to 17 mph, with gusts as high as 33 mph.
Monday
Snow. Mostly cloudy, with a high near 35.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 26.
Tuesday
A chance of snow. Partly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
A chance of snow. Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
Last Update:
4:36 am MDT Apr 9, 2026
Forecast Valid:
8am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
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Additional Resources

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Chance of Precipitation