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

Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

A Few Clouds

80°F

27°C

Humidity 85%
Wind Speed Vrbl 3 mph
Barometer 30.08 in (1017.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Jul 9:54 pm EDT
Extended Forecast for

Clemson-Oconee County Airport SC

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming south around 6 mph in the afternoon.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 75. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 95.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.
Saturday
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 95.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.
Sunday
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 96.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clemson-Oconee County Airport SC
 34.67°N 82.86°W (Elev. 722 ft)
Last Update:
7:05 pm EDT Jul 15, 2025
Forecast Valid:
10pm EDT Jul 15, 2025-6pm EDT Jul 22, 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