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

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Hazardous Weather Conditions

Current conditions at

Muscle Shoals, North West Alabama Regional Airport (KMSL)

Lat: 34.74°NLon: 87.6°WElev: 548ft.

Fair

92°F

33°C

Humidity 47%
Wind Speed N 5 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 6 Sep 6:53 pm CDT
Extended Forecast for

Sheffield AL

Heat Advisory September 6, 07:35pm until September 6, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory September 6, 07:35pm until September 6, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 72 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 94. Heat index values as high as 98. East northeast wind around 5 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. East southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Heat index values as high as 99. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Northeast wind around 5 mph, with gusts as high as 15 mph.
Labor Day
Mostly sunny, with a high near 94. Heat index values as high as 98. East northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 72. East southeast wind around 5 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 93. Heat index values as high as 99. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 72. Southeast wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.
Thursday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sheffield AL
 34.77°N 87.71°W (Elev. 413 ft)
Last Update:
6:50 pm CDT Sep 6, 2026
Forecast Valid:
7pm CDT Sep 6, 2026-6pm CDT Sep 13, 2026
 
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