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

54°F

12°C

Humidity 76%
Wind Speed NNW 5 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Aug 02:20 AM MDT
Extended Forecast for

19 Miles SE Basalt ID

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 59. East southeast wind around 9 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. East southeast wind 7 to 11 mph becoming west in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. West wind 7 to 10 mph becoming east southeast after midnight.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91. East southeast wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 63. East wind 7 to 11 mph.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 83.

    High: 83 °F

    Mostly Cloudy
    then 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 57. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 59. East southeast wind around 9 mph.
Thursday
Sunny, with a high near 89. East southeast wind 7 to 11 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. West wind 7 to 10 mph becoming east southeast after midnight.
Friday
Mostly sunny, with a high near 91. East southeast wind 6 to 8 mph becoming west northwest in the afternoon.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 63. East wind 7 to 11 mph.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83.
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 57. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.
Monday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SE Basalt ID
 43.15°N 111.86°W (Elev. 6079 ft)
12:31 am MDT Aug 20, 2026
2am 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