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

Idaho Falls Regional Airport (KIDA)

Lat: 43.52083°NLon: 112.06611°WElev: 4741.0ft.

Rain

88°F

31°C

Humidity 20%
Wind Speed NNE 20 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 31 Jul 07:35 PM MDT
Extended Forecast for

2 Miles S Idaho Falls ID

Heat Advisory August 1, 12:00am until August 2, 12:00am
Red Flag Warning August 1, 02:00pm until August 2, 09:00pm
Click here for hazard details and duration
Heat Advisory
Red Flag Warning
  • Tonight

    Tonight: Mostly clear, with a low around 57. East southeast wind 5 to 8 mph becoming north after midnight.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 29 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West southwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 26 mph.

    Low: 60 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 93. South wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 54. Breezy, with a south southwest wind 13 to 23 mph, with gusts as high as 36 mph.

    Low: 54 °F

    Mostly Clear
    and Breezy
    then Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. East southeast wind 5 to 8 mph becoming north after midnight.
Saturday
Sunny and hot, with a high near 99. Light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 29 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 60. West southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 93. South wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
Clear, with a low around 54. Breezy, with a south southwest wind 13 to 23 mph, with gusts as high as 36 mph.
Monday
Sunny, with a high near 84.
Monday Night
Clear, with a low around 50.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 94.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Idaho Falls ID
 43.46°N 112.03°W (Elev. 4695 ft)
5:31 pm MDT Jul 31, 2026
7pm MDT Jul 31, 2026-6pm MDT Aug 7, 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