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

90°F

32°C

Humidity 50%
Wind Speed Calm
Barometer 29.97 in (1013.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 19 Aug 4:54 pm EDT
Extended Forecast for

3 Miles SE Seneca SC

  • Tonight

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

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 11pm and 2am.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Increasing clouds, with a high near 92. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 69. Calm wind.  Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Saturday Night

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

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Calm wind.
Thursday
Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms between 11pm and 2am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Friday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 92. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 70.
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:
3 Miles SE Seneca SC
 34.67°N 82.92°W (Elev. 804 ft)
2:23 pm EDT Aug 19, 2026
5pm EDT Aug 19, 2026-6pm EDT Aug 26, 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