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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

3°F

-16°C

Humidity 87%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 0°F (-18°C)
Visibility NA
Last update 21 Jan 04:45 AM MST
Extended Forecast for

12 Miles NE Big Sky MT

  • Today

    Today: Mostly sunny, with a high near 30. Calm wind.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 10. Calm wind.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 25. Light and variable wind.

    High: 25 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 1. Calm wind.

    Low: 1 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 14. Light north northwest wind.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -3. Calm wind.

    Low: -3 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 21. Calm wind becoming west around 5 mph in the afternoon.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 5. Light southwest wind.

    Low: 5 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 30. Calm wind.
Tonight
Mostly cloudy, with a low around 10. Calm wind.
Thursday
Mostly sunny, with a high near 25. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 1. Calm wind.
Friday
Mostly sunny, with a high near 14. Light north northwest wind.
Friday Night
Mostly clear, with a low around -3. Calm wind.
Saturday
Mostly sunny, with a high near 21. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 5. Light southwest wind.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 34.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Big Sky MT
 45.39°N 111.19°W (Elev. 6998 ft)
4:08 am MST Jan 21, 2026
5am MST Jan 21, 2026-6pm MST Jan 27, 2026
 
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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