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

4 Miles E Union Grove 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.  Mostly sunny, with a high near 90. Heat index values as high as 101. Calm wind becoming west around 5 mph in the morning.

    High: 90 °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 91. Heat index values as high as 103. Calm wind becoming west around 5 mph in the morning.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

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

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 101. 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 91. Heat index values as high as 103. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 76. Calm wind.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Union Grove AL
 34.39°N 86.37°W (Elev. 1063 ft)
6:50 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