Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. 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

86°F

30°C

Humidity 72%
Wind Speed SW 5 mph
Barometer 30.14 in (1019.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 17 Jul 12:54 pm EDT
Extended Forecast for

4 Miles S Lake Keowee SC

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight.  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

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am.  Partly cloudy, with a low around 73. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny and hot, with a high near 95. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 95 °F

    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 74.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm.  Mostly sunny and hot, with a high near 95. Chance of precipitation is 60%.

    High: 95 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. 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.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%. New precipitation 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 3pm. Mostly sunny and hot, with a high near 95. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 74.
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 before 7pm. Mostly cloudy, with a low around 74.
Monday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Lake Keowee SC
 34.78°N 82.88°W (Elev. 682 ft)
1:27 pm EDT Jul 17, 2025
1pm EDT Jul 17, 2025-6pm EDT Jul 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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