Severe thunderstorms and heavy rain for portions of the southern U.S.

A storm system will produce scattered severe thunderstorms and locally heavy rain stretching from the Southern Plains to the Gulf Coast and lower Miss. Valley on Friday. Large hail, locally damaging winds and flash flooding will be the main threats. This activity will continue into Saturday.
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Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

A Few Clouds

77°F

25°C

Humidity 73%
Wind Speed S 10 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 28 Apr 8:58 pm EDT
Extended Forecast for

Sumter SC

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 65. Southwest wind 6 to 8 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 65 °F

  • Friday

    Friday: Sunny, with a high near 90. Northwest wind 5 to 7 mph.

    Sunny

    High: 90 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 64. Light and variable wind becoming southwest around 5 mph.

    Mostly Clear

    Low: 64 °F

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 86. Light and variable wind becoming southeast 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 86 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Southeast wind 7 to 9 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 66 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 9am.  Mostly cloudy, with a high near 83. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 83 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 66 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 86. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 86 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 61 °F

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 90. Northwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 64. Light and variable wind becoming southwest around 5 mph.
Saturday
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. Light and variable wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms, mainly after 9am. Mostly cloudy, with a high near 83. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms after 9am. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Sumter SC
 33.94°N 80.4°W (Elev. 154 ft)
6:45 pm EDT Apr 28, 2016
10pm EDT Apr 28, 2016-6pm EDT May 5, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database