Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

NA

34°F

1°C

Humidity 100%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 15 Oct 08:45 AM MDT
Extended Forecast for

4 Miles E Big Sky MT

  • Today

    Today: Patchy fog before 10am.  Otherwise, sunny, with a high near 42. Light north wind.

    High: 42 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Light south wind.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. South wind 5 to 9 mph, with gusts as high as 23 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64. South wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. South wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 26 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. Calm wind becoming south around 6 mph in the evening.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, sunny, with a high near 42. Light north wind.
Tonight
Mostly clear, with a low around 25. Calm wind.
Friday
Sunny, with a high near 64. Light south wind.
Friday Night
Mostly clear, with a low around 31. South wind 5 to 9 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 64. South wind 6 to 8 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 29. South wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 63. Light and variable wind.
Sunday Night
Mostly clear, with a low around 33. Calm wind becoming south around 6 mph in the evening.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A chance of rain. Partly sunny, with a high near 59.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Big Sky MT
 45.26°N 111.26°W (Elev. 5997 ft)
4:41 am MDT Oct 15, 2026
9am MDT Oct 15, 2026-6pm MDT Oct 21, 2026
 
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Additional Resources

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