Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that 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

88°F

31°C

Humidity 59%
Wind Speed Calm
Barometer 29.96 in (1013.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 19 Aug 6:54 pm EDT
Extended Forecast for

2 Miles N Seneca SC

  • Tonight

    Tonight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Light and variable wind.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between midnight and 2am.  Partly cloudy, with a low around 73. Calm wind.  Chance of precipitation is 20%.

    Low: 73 °F

    Partly Cloudy
    then 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 101. Light and variable wind.  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 70. Calm wind.  Chance of precipitation is 60%.

    Low: 70 °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 74. Calm wind.
Thursday
Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Light and variable wind.
Thursday Night
A slight chance of showers and thunderstorms between midnight and 2am. Partly cloudy, with a low around 73. 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 101. Light and variable wind. 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 70. 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 70.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Seneca SC
 34.72°N 82.97°W (Elev. 794 ft)
7:04 pm EDT Aug 19, 2026
7pm 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