Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, 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

72°F

22°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Aug 10:35 AM MDT
Extended Forecast for

17 Miles ENE Butte City 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 90. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southwest wind 5 to 8 mph becoming north northeast after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. North northeast wind around 7 mph becoming south southwest in the afternoon.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Southwest wind around 7 mph becoming north northwest after midnight.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95. North wind 5 to 7 mph becoming southeast in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight.  Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 55. South southwest wind 5 to 8 mph becoming north northeast after midnight.
Thursday
Sunny, with a high near 94. North northeast wind around 7 mph becoming south southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. Southwest wind around 7 mph becoming north northwest after midnight.
Friday
Mostly sunny, with a high near 95. North wind 5 to 7 mph becoming southeast in the afternoon.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 86.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 53.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ENE Butte City ID
 43.72°N 112.92°W (Elev. 4829 ft)
5:31 am MDT Aug 19, 2026
10am MDT Aug 19, 2026-6pm MDT Aug 25, 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