Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

Fair

77°F

25°C

Humidity 90%
Wind Speed Calm
Barometer 30.15 in (1019.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Jul 7:54 am EDT
Extended Forecast for

Pendleton SC

Heat Advisory July 27, 12:00pm until July 28, 02:00am
Heat Advisory July 26, 12:00pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. West wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Light north northwest wind.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Calm wind.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am.  Partly cloudy, with a low around 76. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 3pm.  Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 96. Chance of precipitation is 40%.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 75. West wind 3 to 5 mph.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. Light north northwest wind.
Monday
Sunny and hot, with a high near 100. Calm wind.
Monday Night
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 98.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.
Wednesday
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 3am. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Thursday
Showers and thunderstorms likely. Partly sunny and hot, with a high near 95. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Pendleton SC
 34.64°N 82.78°W (Elev. 807 ft)
6:01 am EDT Jul 26, 2025
8am EDT Jul 26, 2025-6pm EDT Aug 1, 2025
 
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Additional Resources

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