Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Guntersville Municipal Airport (K8A1)

Lat: 34.4°NLon: 86.27°WElev: 600ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed Vrbl 1 mph
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Last update 19 Aug 1:15 am CDT
Extended Forecast for

3 Miles SSE Guntersville AL

  • Overnight

    Overnight: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 97. Calm wind.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 73. Calm wind.  Chance of precipitation is 60%.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am.  Mostly sunny, with a high near 90. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

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

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. Calm wind.
Wednesday
Sunny, with a high near 93. Heat index values as high as 97. Calm wind.
Wednesday Night
Partly cloudy, with a low around 74. Calm wind.
Thursday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 90.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Guntersville AL
 34.32°N 86.24°W (Elev. 997 ft)
1:15 am CDT Aug 19, 2026
1am CDT Aug 19, 2026-6pm CDT Aug 25, 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