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Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

77°F

25°C

Humidity 96%
Wind Speed NA
Barometer 30.06 in (1016.9 mb)
Dewpoint 76°F (24°C)
Visibility NA
Heat Index78°F (26°C)
Last update 14 Aug 10:54 pm EDT
Extended Forecast for

Clemson SC

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Patchy Fog

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Light east northeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 72.

    Low: 72 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 72. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Light east northeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 71. Calm wind.
Sunday
Sunny, with a high near 91.
Sunday Night
Clear, with a low around 72.
Monday
Sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A 30 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clemson SC
 34.69°N 82.83°W (Elev. 801 ft)
Last Update:
6:50 pm EDT Aug 14, 2025
Forecast Valid:
11pm EDT Aug 14, 2025-6pm EDT Aug 21, 2025
 
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