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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Huntsville, Madison County Executive Airport (KMDQ)

Lat: 34.86°NLon: 86.56°WElev: 755ft.

Partly Cloudy

89°F

32°C

Humidity 49%
Wind Speed NA
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 21 Aug 2:35 pm CDT
Extended Forecast for

4 Miles SW Huntsville-Madison Co Exec Airport AL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Northwest wind around 5 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. North wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. North wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87. North northwest wind around 5 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 68. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 68. North wind around 5 mph.
Sunday
Sunny, with a high near 87. North northwest wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 65.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Huntsville-Madison Co Exec Airport AL
 34.81°N 86.61°W (Elev. 1178 ft)
Last Update:
2:50 pm CDT Aug 21, 2026
Forecast Valid:
2pm CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation