Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. 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 S 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

5 Miles NNE Big Sky MT

Fire Weather Watch August 8, 11:00am until August 8, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Overnight

    Overnight: Widespread smoke, mainly between 3am and 4am. Mostly clear, with a low around 46. West southwest wind around 7 mph.

    Low: 46 °F

    Smoke

  • Friday

    Friday: Widespread smoke, mainly after 10am. Sunny, with a high near 73. West wind 7 to 15 mph, with gusts as high as 28 mph.

    High: 73 °F

    Smoke

  • Friday Night

    Friday Night: Widespread smoke, mainly before 7pm. Mostly clear, with a low around 53. West wind 5 to 14 mph becoming north in the evening. Winds could gust as high as 26 mph.

    Low: 53 °F

    Smoke

  • Saturday

    Saturday: Areas of smoke. Sunny, with a high near 72. West wind 6 to 16 mph, with gusts as high as 29 mph.

    High: 72 °F

    Areas Smoke

  • Saturday Night

    Saturday Night: Areas of smoke before 7pm. Partly cloudy, with a low around 51. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 51 °F

    Areas Smoke
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 71. Southwest wind 5 to 10 mph becoming west northwest 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. West northwest wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 24 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. West southwest wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Widespread smoke, mainly between 3am and 4am. Mostly clear, with a low around 46. West southwest wind around 7 mph.
Friday
Widespread smoke, mainly after 10am. Sunny, with a high near 73. West wind 7 to 15 mph, with gusts as high as 28 mph.
Friday Night
Widespread smoke, mainly before 7pm. Mostly clear, with a low around 53. West wind 5 to 14 mph becoming north in the evening. Winds could gust as high as 26 mph.
Saturday
Areas of smoke. Sunny, with a high near 72. West wind 6 to 16 mph, with gusts as high as 29 mph.
Saturday Night
Areas of smoke before 7pm. Partly cloudy, with a low around 51. West wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 71. Southwest wind 5 to 10 mph becoming west northwest 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 48. West northwest wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 70. West southwest wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Big Sky MT
 45.34°N 111.27°W (Elev. 9390 ft)
11:17 pm MDT Aug 6, 2026
1am MDT Aug 7, 2026-6pm MDT Aug 13, 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