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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

10°F

-12°C

Humidity 69%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 2°F (-17°C)
Visibility NA
Wind Chill1°F (-17°C)
Last update 23 Jan 12:00 PM MST
Extended Forecast for

6 Miles ESE Big Sky MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 13. Wind chill values as low as zero. North northeast wind 3 to 6 mph.

    High: 13 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -5. Calm wind.

    Low: -5 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 16. Wind chill values as low as zero. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 16 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow.  Mostly cloudy, with a low around 3. Light west wind.  New snow accumulation of less than a half inch possible.

    Low: 3 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 21. Calm wind becoming west around 6 mph in the afternoon.

    High: 21 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. South southwest wind around 6 mph.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 29. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. South southwest wind 3 to 7 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 13. Wind chill values as low as zero. North northeast wind 3 to 6 mph.
Tonight
Mostly clear, with a low around -5. Calm wind.
Saturday
Partly sunny, with a high near 16. Wind chill values as low as zero. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 3. Light west wind. New snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 21. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 9. South southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 29. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 16. South southwest wind 3 to 7 mph.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
3:22 am MST Jan 23, 2026
12pm MST Jan 23, 2026-6pm MST Jan 29, 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