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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

29°F

-2°C

Humidity 97%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 28 Jan 05:45 PM MST
Extended Forecast for

13 Miles ESE Big Sky MT

  • Tonight

    Tonight: A slight chance of snow between 9pm and 11pm. Mostly cloudy, with a low around 13. Wind chill values as low as -5. West wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23. Wind chill values as low as -5. West southwest wind 14 to 17 mph, with gusts as high as 22 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. West southwest wind 14 to 16 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27. Southwest wind 14 to 16 mph, with gusts as high as 21 mph.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 28 mph.

    Low: 22 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 33. Southwest wind 15 to 21 mph, with gusts as high as 25 mph.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. South wind 15 to 17 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35. South wind 14 to 17 mph, with gusts as high as 21 mph.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow between 9pm and 11pm. Mostly cloudy, with a low around 13. Wind chill values as low as -5. West wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 23. Wind chill values as low as -5. West southwest wind 14 to 17 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 15. West southwest wind 14 to 16 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 27. Southwest wind 14 to 16 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 22. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny, with a high near 33. Southwest wind 15 to 21 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 20. South wind 15 to 17 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 35. South wind 14 to 17 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
A slight chance of snow after 11am. Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 25.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
Last Update:
4:28 pm MST Jan 28, 2026
Forecast Valid:
6pm MST Jan 28, 2026-6pm MST Feb 4, 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