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

Mountain Home Air Force Base (KMUO)

Lat: 43.05°NLon: 115.86667°WElev: 2995.0ft.

Clear

62°F

17°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Last update 19 Aug 07:55 AM MDT
Extended Forecast for

6 Miles WSW Bruneau Dunes St Park ID

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

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

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 60. North northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 103. East wind 5 to 8 mph becoming north northwest in the afternoon.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. North northwest wind 5 to 11 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 104. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 99. Light and variable wind becoming north around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 60. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Thursday
Mostly sunny and hot, with a high near 103. East wind 5 to 8 mph becoming north northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 63. North northwest wind 5 to 11 mph becoming southeast after midnight. Winds could gust as high as 22 mph.
Friday
Mostly sunny and hot, with a high near 104. Calm wind becoming east 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 68.
Saturday
Mostly sunny and hot, with a high near 98.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny and hot, with a high near 92.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny and hot, with a high near 94.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Bruneau Dunes St Park ID
 42.88°N 115.79°W (Elev. 2598 ft)
3:53 am MDT Aug 19, 2026
8am 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