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 >

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

A Few Clouds

92°F

33°C

Humidity 53%
Wind Speed Calm
Barometer 29.86 in (1011.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 6 Sep 12:55 pm EDT
Extended Forecast for

4 Miles ESE Westville SC

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. East wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 68. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    T-storms
    Likely

  • Labor Day

    Labor Day: A chance of showers and thunderstorms, mainly before noon. Mostly cloudy, then gradually becoming sunny, with a high near 84. East wind 6 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Light northeast wind.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. East wind 6 to 8 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. East wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 68. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Labor Day
A chance of showers and thunderstorms, mainly before noon. Mostly cloudy, then gradually becoming sunny, with a high near 84. East wind 6 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 66. Light northeast wind.
Tuesday
Sunny, with a high near 87. East wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 71.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 89. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Westville SC
 34.43°N 80.53°W (Elev. 440 ft)
Last Update:
12:46 pm EDT Sep 6, 2026
Forecast Valid:
1pm EDT Sep 6, 2026-6pm EDT Sep 12, 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