National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Muscle Shoals, North West Alabama Regional Airport (KMSL)

Lat: 34.74°NLon: 87.6°WElev: 548ft.

Fair

95°F

35°C

Humidity 43%
Wind Speed E 5 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 16 Aug 5:53 pm CDT
Extended Forecast for

Underwood-Petersville AL

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming east northeast around 5 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming northeast around 5 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Calm wind.
Sunday
Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming east northeast around 5 mph.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming northeast around 5 mph.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Underwood-Petersville AL
 34.91°N 87.7°W (Elev. 604 ft)
Last Update:
6:15 pm CDT Aug 16, 2025
Forecast Valid:
6pm CDT Aug 16, 2025-6pm CDT Aug 23, 2025
 
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