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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

-4°F

-20°C

Humidity 73%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint -11°F (-24°C)
Visibility NA
Last update 24 Jan 08:15 AM MST
Extended Forecast for

6 Miles ESE Big Sky MT

  • Today

    Today: A 50 percent chance of snow.  Mostly cloudy, with a high near 18. Wind chill values as low as zero. Calm wind becoming west around 6 mph in the afternoon.  Total daytime snow accumulation of less than a half inch possible.

    High: 18 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly before 2am.  Mostly cloudy, with a low around 2. Calm wind.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 2 °F

    Snow Likely

  • Sunday

    Sunday: A 20 percent chance of snow before 11am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 17. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 17 °F

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5. Wind chill values as low as -5. Calm wind becoming south southwest around 6 mph in the evening.

    Low: 5 °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 15. South southwest wind 5 to 7 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. South southwest wind 3 to 6 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15. Light south southwest wind.

    Low: 15 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of snow. Mostly cloudy, with a high near 18. Wind chill values as low as zero. Calm wind becoming west around 6 mph in the afternoon. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly before 2am. Mostly cloudy, with a low around 2. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday
A 20 percent chance of snow before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 17. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 5. Wind chill values as low as -5. Calm wind becoming south southwest around 6 mph in the evening.
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 15. South southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 32. South southwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 15. Light south southwest wind.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
8:13 am MST Jan 24, 2026
8am MST Jan 24, 2026-6pm MST Jan 30, 2026
 
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Additional Resources

Radar & Satellite Image

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