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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

Guntersville Municipal Airport (K8A1)

Lat: 34.4°NLon: 86.27°WElev: 600ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed N 9 mph
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 Aug 7:35 am CDT
Extended Forecast for

4 Miles NE Union Grove AL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 112. Calm wind becoming southwest around 5 mph.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 104. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 10%.

    High: 92 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 112. Calm wind becoming southwest around 5 mph.
Tonight
Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 104. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 10%.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 69. Calm wind.
Saturday
Sunny, with a high near 93. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Union Grove AL
 34.46°N 86.39°W (Elev. 696 ft)
Last Update:
6:50 am CDT Aug 20, 2026
Forecast Valid:
7am CDT Aug 20, 2026-6pm CDT Aug 26, 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