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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

Muscle Shoals, North West Alabama Regional Airport (KMSL)

Lat: 34.74°NLon: 87.6°WElev: 548ft.

Fair

79°F

26°C

Humidity 69%
Wind Speed E 8 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 Aug 8:53 am CDT
Extended Forecast for

Underwood-Petersville AL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 95. Heat index values as high as 102. Southeast wind around 5 mph becoming west in the afternoon.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 71. West southwest wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 92 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. North northwest wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Saturday

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

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

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

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 95. Heat index values as high as 102. Southeast wind around 5 mph becoming west in the afternoon.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 71. West southwest wind around 5 mph becoming calm. Chance of precipitation is 40%.
Friday
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 68. North northwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 89.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 91.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 69.
Wednesday
A 20 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:
Underwood-Petersville AL
 34.86°N 87.71°W (Elev. 600 ft)
Last Update:
8:50 am CDT Aug 20, 2026
Forecast Valid:
9am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation