Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

Anderson, Anderson County Airport (KAND)

Lat: 34.5°NLon: 82.71°WElev: 781ft.

Overcast

74°F

23°C

Humidity 74%
Wind Speed NE 8 mph
Barometer 30.18 in (1021.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 10 Aug 8:56 am EDT
Extended Forecast for

Williamston SC

  • Today

    Today: Isolated showers and thunderstorms before 1pm, then isolated showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 81. East northeast wind 11 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Mostly Cloudy
    then Isolated
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. East northeast wind 7 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 81. East wind around 9 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely and
    Patchy Fog

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm.  Mostly cloudy, with a low around 70. East southeast wind 3 to 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly cloudy, with a high near 84. Light and variable wind becoming south around 6 mph in the morning.  Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers.  Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm.  Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms before 1pm, then isolated showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. East northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 81. East wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 70. East southeast wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 84. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Wednesday
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 89.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamston SC
 34.62°N 82.48°W (Elev. 817 ft)
6:42 am EDT Aug 10, 2025
9am EDT Aug 10, 2025-6pm EDT Aug 16, 2025
 
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