Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. 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 >

Current conditions at

Guntersville Municipal Airport (K8A1)

Lat: 34.4°NLon: 86.27°WElev: 600ft.

Thunderstorm

81°F

27°C

Humidity 89%
Wind Speed SW 8 mph
Barometer 30.03 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 11 Aug 6:36 pm CDT
Extended Forecast for

6 Miles NW Guntersville AL

Heat Advisory August 12, 01:00pm until August 14, 07:00pm
Flash Flood Warning until August 11, 09:15pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Flash Flood Warning until August 11, 09:15pm

    NOW until 9:15pm Tue

    Flash Flood Warning

  • Tonight

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Increasing clouds, with a high near 92. Heat index values as high as 106. Calm wind becoming west around 5 mph in the morning.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 94. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Saturday

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

    High: 97 °F

    Hot

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 92. Heat index values as high as 106. Calm wind becoming west around 5 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Calm wind.
Thursday
Mostly sunny, with a high near 94. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 77. Calm wind.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Guntersville AL
 34.43°N 86.34°W (Elev. 600 ft)
6:28 pm CDT Aug 11, 2026
6pm CDT Aug 11, 2026-6pm CDT Aug 18, 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