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

Huntsville, Madison County Executive Airport (KMDQ)

Lat: 34.86°NLon: 86.56°WElev: 755ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed NA
Barometer 29.99 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Aug 4:15 am CDT
Extended Forecast for

3 Miles ENE Huntsville AL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 97 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 73. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms before 7am.  Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 92 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. North wind around 5 mph becoming calm.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 70. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 93. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Huntsville AL
 34.72°N 86.59°W (Elev. 600 ft)
3:50 am CDT Aug 20, 2026
4am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

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