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

Caldwell - Caldwell Industrial Airport (KEUL)

Lat: 43.64055°NLon: 116.63017°WElev: 2421.0ft.

Clear

68°F

20°C

Humidity 42%
Wind Speed W 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 19 Aug 03:05 AM MDT
Extended Forecast for

Middleton ID

Heat Advisory August 20, 12:00pm until August 21, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Patchy smoke after 5am. Mostly clear, with a low around 58. Light west wind.

    Low: 58 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Calm wind becoming north around 6 mph in the afternoon.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. North wind 5 to 7 mph becoming calm  after midnight.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Light and variable wind becoming west northwest around 6 mph in the afternoon.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. North northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Patchy smoke after 5am. Mostly clear, with a low around 58. Light west wind.
Wednesday
Sunny and hot, with a high near 96. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. North wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny and hot, with a high near 99. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. North northwest wind 5 to 8 mph becoming calm after midnight.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
Mostly sunny and hot, with a high near 95.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 60.
Sunday
Sunny and hot, with a high near 90.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny and hot, with a high near 93.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Middleton ID
 43.7°N 116.63°W (Elev. 2398 ft)
12:29 am MDT Aug 19, 2026
3am 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