Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Muscle Shoals, North West Alabama Regional Airport (KMSL)

Lat: 34.74°NLon: 87.6°WElev: 548ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in (1014.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Aug 2:53 am CDT
Extended Forecast for

2 Miles SSE Underwood-Petersville AL

  • Overnight

    Overnight: A 30 percent chance of showers before 4am.  Areas of fog.  Otherwise, mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    Showers and
    Areas Fog

  • Friday

    Friday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 90. Heat index values as high as 97. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 90 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

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

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Heat index values as high as 97. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. North northwest wind around 5 mph becoming calm.

    Low: 69 °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 65.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers before 4am. Areas of fog. Otherwise, mostly cloudy, with a low around 71. Calm wind.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 97. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 68. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 91. Heat index values as high as 97. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69. North northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 65.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67.
Tuesday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Underwood-Petersville AL
 34.86°N 87.68°W (Elev. 600 ft)
3:28 am CDT Aug 21, 2026
3am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database