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Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

6°F

-14°C

Humidity 88%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 3°F (-16°C)
Visibility NA
Last update 25 Jan 06:15 PM MST
Extended Forecast for

6 Miles ESE Big Sky MT

  • Tonight

    Tonight: Clear, with a low around 2. Wind chill values as low as -10. South wind 5 to 10 mph.

    Low: 2 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 29. Wind chill values as low as -10. South wind around 10 mph, with gusts as high as 18 mph.

    High: 29 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. South wind 5 to 9 mph.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. South southwest wind 3 to 6 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16. Light south southwest wind.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 35. Southwest wind 3 to 6 mph.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. Southwest wind around 5 mph becoming calm in the evening.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 2. Wind chill values as low as -10. South wind 5 to 10 mph.
Monday
Increasing clouds, with a high near 29. Wind chill values as low as -10. South wind around 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 14. South wind 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 33. South southwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 16. Light south southwest wind.
Wednesday
Partly sunny, with a high near 35. Southwest wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 17. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 36. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 37.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
Last Update:
5:22 pm MST Jan 25, 2026
Forecast Valid:
6pm MST Jan 25, 2026-6pm MST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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