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

38°F

3°C

Humidity 51%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 08 Apr 03:45 AM MDT
Extended Forecast for

12 Miles NE Big Sky MT

  • Today

    Today: Sunny, with a high near 53. West southwest wind around 6 mph becoming northwest in the morning.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53. Light northwest wind.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of rain after noon. Partly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 39. Light south southeast wind.

    Low: 39 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. South wind 5 to 10 mph, with gusts as high as 26 mph.

    High: 63 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 37. South southwest wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 23 mph.

    Low: 37 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 52.

    High: 52 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 53. West southwest wind around 6 mph becoming northwest in the morning.
Tonight
Partly cloudy, with a low around 32. Light and variable wind.
Thursday
Sunny, with a high near 53. Light northwest wind.
Thursday Night
Mostly clear, with a low around 31. Calm wind.
Friday
A 20 percent chance of rain after noon. Partly sunny, with a high near 61. Calm wind.
Friday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 39. Light south southeast wind.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. South wind 5 to 10 mph, with gusts as high as 26 mph.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37. South southwest wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 23 mph.
Sunday
Rain likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 29.
Monday
Rain and snow likely. Mostly cloudy, with a high near 42.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 24.
Tuesday
A chance of snow. Partly sunny, with a high near 49.
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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:
4:43 am MDT Apr 8, 2026
Forecast Valid:
4am MDT Apr 8, 2026-6pm MDT Apr 14, 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