Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Yellowstone Club - Base Area (YCBAS)

Lat: 45.23924°NLon: 111.41476°WElev: 7200.0ft.

NA

86°F

30°C

Humidity 16%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Heat Index83°F (28°C)
Last update 01 Aug 02:00 PM MDT
Extended Forecast for

Big Sky MT

Red Flag Warning August 1, 03:03pm until August 2, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning August 1, 03:03pm until August 2, 09:00pm

    NOW until 9:00pm Sun

    Red Flag Warning

  • Tonight

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Smoke

  • Sunday

    Sunday: Patchy smoke before 5pm. Sunny, then becoming partly sunny during the afternoon, with a high near 88. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 88 °F

    Patchy Smoke

  • Sunday Night

    Sunday Night: Patchy smoke before 7pm. Partly cloudy, with a low around 42. Northwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 42 °F

    Patchy Smoke
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 71. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

Detailed Forecast

Tonight
Patchy smoke after midnight. Partly cloudy, with a low around 54. South southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 24 mph.
Sunday
Patchy smoke before 5pm. Sunny, then becoming partly sunny during the afternoon, with a high near 88. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Patchy smoke before 7pm. Partly cloudy, with a low around 42. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 71. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Sky MT
 45.28°N 111.32°W (Elev. 6752 ft)
12:31 pm MDT Aug 1, 2026
3pm MDT Aug 1, 2026-6pm MDT Aug 8, 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