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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

Fair

70°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 30.13 in (1019.2 mb)
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 29 Aug 4:54 am EDT
Extended Forecast for

West Union SC

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 84. Calm wind becoming east around 6 mph in the morning.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 69. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 8am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 84. Calm wind becoming east around 6 mph in the morning.
Tonight
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 69. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers before 8am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 68. Calm wind.
Monday
Sunny, with a high near 91. Calm wind.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
Mostly clear, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
West Union SC
 34.77°N 83.02°W (Elev. 827 ft)
Last Update:
5:23 am EDT Aug 29, 2026
Forecast Valid:
5am EDT Aug 29, 2026-6pm EDT Sep 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation