Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

NA

N/A

Humidity NA
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

11 Miles E Big Sky MT

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 39. Northwest wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 39 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke. Sunny, with a high near 66. West wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 66 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke. Mostly clear, with a low around 45. West southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Patchy Smoke

  • Thursday

    Thursday: Sunny, with a high near 72. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. Southwest wind 8 to 18 mph, with gusts as high as 30 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. West southwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. West wind 8 to 17 mph, with gusts as high as 29 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke. Mostly clear, with a low around 39. Northwest wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.
Wednesday
Patchy smoke. Sunny, with a high near 66. West wind 6 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Patchy smoke. Mostly clear, with a low around 45. West southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 72. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 49. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 74. Southwest wind 8 to 18 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 51. West southwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph.
Saturday
Sunny, with a high near 74. West wind 8 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles E Big Sky MT
 45.27°N 111.11°W (Elev. 9341 ft)
3:56 pm MDT Aug 4, 2026
6pm MDT Aug 4, 2026-6pm MDT Aug 11, 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