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 93%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 10 Apr 04:45 AM MDT
Extended Forecast for

14 Miles ESE Big Sky MT

  • Today

    Today: A chance of rain and snow, mainly after 5pm. Mostly sunny, with a high near 48. South wind 9 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain, possibly mixing with snow after 7pm, then gradually ending. Partly cloudy, with a low around 34. South southwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 45. Breezy, with a south southwest wind 21 to 29 mph, with gusts as high as 47 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 before midnight. Mostly cloudy, with a low around 30. Breezy, with a south southwest wind 17 to 25 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Snow likely after noon. Partly sunny, with a high near 41. Breezy, with a south southwest wind 16 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Mostly Sunny
    then Snow
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 28. Breezy, with a south southwest wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow Likely
    and Breezy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 33. South wind 18 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Chance Snow
    then Snow
    Showers

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 25 °F

    Snow Likely

  • Tuesday

    Tuesday: A chance of snow. Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

Detailed Forecast

Today
A chance of rain and snow, mainly after 5pm. Mostly sunny, with a high near 48. South wind 9 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A chance of rain, possibly mixing with snow after 7pm, then gradually ending. Partly cloudy, with a low around 34. South southwest wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A 50 percent chance of snow showers after noon. Some thunder is also possible. Partly sunny, with a high near 45. Breezy, with a south southwest wind 21 to 29 mph, with gusts as high as 47 mph. Little or no snow accumulation expected.
Saturday Night
A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 30. Breezy, with a south southwest wind 17 to 25 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely after noon. Partly sunny, with a high near 41. Breezy, with a south southwest wind 16 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 28. Breezy, with a south southwest wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday
A chance of snow before noon, then snow showers after noon. Some thunder is also possible. High near 33. South wind 18 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. Southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday
A chance of snow. Mostly cloudy, with a high near 34.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Wednesday
Snow likely. Mostly cloudy, with a high near 32. Breezy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 29.
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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:
4:31 am MDT Apr 10, 2026
Forecast Valid:
5am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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