Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Idaho Falls Regional Airport (KIDA)

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

Clear

52°F

11°C

Humidity 76%
Wind Speed NNW 4 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Aug 06:20 AM MDT
Extended Forecast for

4 Miles N Mud Lake ID

Heat Advisory August 21, 12:00pm until August 21, 10:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 92. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southwest wind around 6 mph becoming northeast after midnight.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. North northeast wind around 5 mph becoming calm  in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59. Southeast wind 5 to 7 mph becoming north after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 88. Northeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight.  Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 92. Light and variable wind becoming southwest around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 56. Southwest wind around 6 mph becoming northeast after midnight.
Friday
Mostly sunny, with a high near 94. North northeast wind around 5 mph becoming calm in the afternoon.
Friday Night
Mostly cloudy, with a low around 59. Southeast wind 5 to 7 mph becoming north after midnight.
Saturday
A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. Northeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 51.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Mud Lake ID
 43.89°N 112.5°W (Elev. 4793 ft)
5:31 am MDT Aug 20, 2026
6am MDT Aug 20, 2026-6pm MDT Aug 26, 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