Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

unknown precip

26°F

-3°C

Humidity 97%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 30 Apr 02:45 AM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

  • Overnight

    Overnight: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 46. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. North wind around 6 mph becoming calm  in the evening.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Calm wind.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Light south wind.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after noon.  Partly sunny, with a high near 60. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 60 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Calm wind.
Thursday
Mostly sunny, with a high near 46. Calm wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 27. North wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 57. Calm wind.
Friday Night
Mostly clear, with a low around 34. Calm wind.
Saturday
Mostly sunny, with a high near 60. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 37. Light south wind.
Sunday
A chance of showers after noon. Partly sunny, with a high near 60. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 36.
Monday
A slight chance of rain after noon. Mostly sunny, with a high near 60.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 36.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
12:31 am MDT Apr 30, 2026
3am MDT Apr 30, 2026-6pm MDT May 6, 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