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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Current conditions at

Greenwood, Greenwood County Airport (KGRD)

Lat: 34.25°NLon: 82.15°WElev: 630ft.

Fair

77°F

25°C

Humidity 88%
Wind Speed SW 5 mph
Barometer 30.09 in (1018.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Aug 10:56 pm EDT
Extended Forecast for

3 Miles NNW Dyson SC

Heat Advisory August 14, 12:00pm until August 14, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. Calm wind.
Friday
Sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind.
Friday Night
Mostly clear, with a low around 77. Calm wind.
Saturday
Sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Calm wind.
Sunday
Mostly sunny and hot, with a high near 95.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
Sunny and hot, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Dyson SC
 34.19°N 81.96°W (Elev. 502 ft)
Last Update:
8:03 pm EDT Aug 13, 2026
Forecast Valid:
11pm EDT Aug 13, 2026-6pm EDT Aug 20, 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