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

39°F

4°C

Humidity 69%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 03 Apr 04:15 PM MDT
Extended Forecast for

14 Miles ESE Big Sky MT

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Partly sunny, with a high near 24. West northwest wind around 16 mph, with gusts as high as 24 mph.

    High: 24 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 16. West wind 13 to 15 mph, with gusts as high as 22 mph.

    Low: 16 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 37. West southwest wind around 15 mph, with gusts as high as 24 mph.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. Southwest wind 11 to 15 mph, with gusts as high as 21 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 42. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 42 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. South southwest wind around 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44. South southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Southwest wind around 15 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after noon. Mostly sunny, with a high near 44. Breezy.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Partly sunny, with a high near 24. West northwest wind around 16 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 16. West wind 13 to 15 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 37. West southwest wind around 15 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 21. Southwest wind 11 to 15 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 42. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 26. South southwest wind around 10 mph.
Monday
Partly sunny, with a high near 44. South southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 29. Southwest wind around 15 mph, with gusts as high as 22 mph.
Tuesday
A slight chance of snow after noon. Mostly sunny, with a high near 44. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 24. Breezy.
Wednesday
A chance of snow. Partly sunny, with a high near 32.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 19.
Thursday
A chance of snow. Mostly cloudy, with a high near 29.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 17.
Friday
A chance of snow. Partly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Big Sky MT
 45.17°N 111.09°W (Elev. 9400 ft)
Last Update:
1:37 pm MDT Apr 3, 2026
Forecast Valid:
4pm MDT Apr 3, 2026-6pm MDT Apr 10, 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