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

70°F

21°C

Humidity 100%
Wind Speed NW 1 mph
Barometer 29.99 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 3:15 am CDT
Extended Forecast for

4 Miles ESE Grant AL

  • Overnight

    Overnight: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 99. Calm wind.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 94. Heat index values as high as 104. Calm wind becoming west northwest around 5 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms

  • 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 then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm.  Mostly clear, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Calm wind.
Wednesday
Sunny, with a high near 94. Heat index values as high as 99. Calm wind.
Wednesday Night
Partly cloudy, with a low around 75. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 94. Heat index values as high as 104. Calm wind becoming west northwest around 5 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.
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
A chance of thunderstorms before 7pm. Mostly clear, with a low around 72. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 70.
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 71.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Grant AL
 34.49°N 86.2°W (Elev. 702 ft)
3:16 am CDT Aug 19, 2026
3am 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