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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Current conditions at

Guntersville Municipal Airport (K8A1)

Lat: 34.4°NLon: 86.27°WElev: 600ft.

Thunderstorm in Vicinity Rain

81°F

27°C

Humidity 89%
Wind Speed SW 6 mph
Barometer 29.99 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 12 Aug 10:55 pm CDT
Extended Forecast for

4 Miles NNW Guntersville AL

Heat Advisory until August 16, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 16, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 76 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

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

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 96. Heat index values as high as 110. Calm wind becoming west around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Clear

  • Saturday

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

    High: 97 °F

    Hot

  • Saturday Night

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

    Low: 77 °F

    Mostly Clear

  • Sunday

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

    High: 97 °F

    Hot

Detailed Forecast

Tonight
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 76. Calm wind.
Thursday
A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 77. Calm wind.
Friday
Mostly sunny, with a high near 96. Heat index values as high as 110. Calm wind becoming west around 5 mph.
Friday Night
Mostly clear, with a low around 78. Calm wind.
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 77.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Guntersville AL
 34.41°N 86.31°W (Elev. 600 ft)
Last Update:
10:50 pm CDT Aug 12, 2026
Forecast Valid:
11pm CDT Aug 12, 2026-6pm CDT Aug 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation