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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

0°F

-18°C

Humidity 85%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint -3°F (-19°C)
Visibility NA
Last update 25 Jan 09:00 PM MST
Extended Forecast for

12 Miles NE Big Sky MT

  • Tonight

    Tonight: Clear, with a temperature falling to near 3 by midnight, then rising to around 9 during the remainder of the night. Wind chill values as low as -10. South wind 9 to 11 mph.

    Low: 3 °F⇑

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 32. Wind chill values as low as -5. South wind around 11 mph, with gusts as high as 20 mph.

    High: 32 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. South wind 6 to 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. South southwest wind around 6 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 37. Southwest wind 3 to 5 mph.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Light south southwest wind.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Light west southwest wind.

    High: 38 °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 temperature falling to near 3 by midnight, then rising to around 9 during the remainder of the night. Wind chill values as low as -10. South wind 9 to 11 mph.
Monday
Increasing clouds, with a high near 32. Wind chill values as low as -5. South wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 16. South wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 35. South southwest wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 17. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 37. Southwest wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Light south southwest wind.
Thursday
Mostly sunny, with a high near 38. Light west southwest wind.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 43.
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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:
8:52 pm MST Jan 25, 2026
Forecast Valid:
9pm MST Jan 25, 2026-6pm MST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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