Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Muscle Shoals, North West Alabama Regional Airport (KMSL)

Lat: 34.74°NLon: 87.6°WElev: 548ft.

Fair

80°F

27°C

Humidity 79%
Wind Speed S 5 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 11:53 pm CDT
Extended Forecast for

Sheffield AL

  • Overnight

    Overnight: Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming west northwest.

    Low: 75 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 96. Heat index values as high as 109. Calm wind becoming south southwest around 5 mph in the morning.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers before 7am.  Mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 92 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

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

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming west northwest.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 109. Calm wind becoming south southwest around 5 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 69. North northwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
A 20 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 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Sheffield AL
 34.77°N 87.71°W (Elev. 413 ft)
12:28 am CDT Aug 20, 2026
12am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database