Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

Fair

75°F

24°C

Humidity 84%
Wind Speed NW 3 mph
Barometer 29.96 in (1013.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 2:54 am EDT
Extended Forecast for

Clemson SC

  • Overnight

    Overnight: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 100. Northeast wind around 5 mph becoming calm  in the afternoon.

    High: 95 °F

    Hot

  • Wednesday Night

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

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly sunny, with a high near 93. Chance of precipitation is 60%.

    High: 93 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 72. Calm wind.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 100. Northeast wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 73. Calm wind.
Thursday
Mostly sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind.
Friday
A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Clemson SC
 34.68°N 82.78°W (Elev. 748 ft)
2:23 am EDT Aug 19, 2026
3am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
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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