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

Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

Fair

93°F

34°C

Humidity 54%
Wind Speed Vrbl 3 mph
Barometer 30.03 in (1015.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 16 Aug 4:54 pm EDT
Extended Forecast for

Clemson SC

Heat Advisory August 17, 12:00pm until August 17, 08:00pm
Heat Advisory August 16, 05:15pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory August 16, 05:15pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming west around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. West northwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

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

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Light west wind.
Monday
Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 75. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind.
Tuesday Night
Mostly clear, with a low around 73. Calm wind.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Mostly sunny and hot, with a high near 97.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clemson SC
 34.69°N 82.83°W (Elev. 801 ft)
Last Update:
2:23 pm EDT Aug 16, 2026
Forecast Valid:
5pm EDT Aug 16, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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