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.

NA

64°F

18°C

Humidity 17%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 17 Oct 05:45 PM MDT
Extended Forecast for

12 Miles NE Big Sky MT

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South wind 6 to 15 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. South southeast wind around 5 mph becoming calm in the morning.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. South wind 3 to 8 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 61. South wind 5 to 9 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. South wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. South wind 5 to 7 mph becoming calm in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 61. South wind around 6 mph becoming calm in the afternoon.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. South wind 6 to 15 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 57. South southeast wind around 5 mph becoming calm in the morning.
Sunday Night
Partly cloudy, with a low around 36. South wind 3 to 8 mph.
Monday
Sunny, with a high near 61. South wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 37. South wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 59. South wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 36. Light and variable wind.
Wednesday
Sunny, with a high near 61. South wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
A slight chance of rain after noon. Mostly sunny, with a high near 60.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
Rain and snow. Cloudy, with a high near 48.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Saturday
A chance of snow. Partly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Big Sky MT
 45.41°N 111.19°W (Elev. 7251 ft)
Last Update:
12:31 pm MDT Oct 17, 2026
Forecast Valid:
6pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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