National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Huntsville, Madison County Executive Airport (KMDQ)

Lat: 34.86°NLon: 86.56°WElev: 755ft.

Fair

78°F

26°C

Humidity 89%
Wind Speed NA
Barometer 30.05 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Aug 11:15 pm CDT
Extended Forecast for

Huntsville-Madison Co Exec Airport AL

Heat Advisory August 12, 01:00pm until August 14, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 1am and 5am. Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Light south southwest wind becoming west 5 to 10 mph in the morning.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 95. Heat index values as high as 102. West southwest wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between 1am and 5am. Mostly clear, with a low around 73. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Light south southwest wind becoming west 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 95. Heat index values as high as 102. West southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Huntsville-Madison Co Exec Airport AL
 34.85°N 86.55°W (Elev. 705 ft)
Last Update:
11:14 pm CDT Aug 11, 2026
Forecast Valid:
11pm CDT Aug 11, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation