Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East and West

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

90°F

32°C

Humidity 55%
Wind Speed S 5 mph
Barometer 30.07 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 16 Jul 6:35 pm EDT
Extended Forecast for

Union SC

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South wind 5 to 7 mph.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 93. Heat index values as high as 100. Southwest wind 5 to 7 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

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

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny and hot, with a high near 96. Heat index values as high as 102. West southwest wind 3 to 7 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 5pm.  Sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 73. South wind 5 to 7 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Southwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 74. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 102. West southwest wind 3 to 7 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 74. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96.
Sunday Night
Partly cloudy, with a low around 74.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.73°N 81.62°W (Elev. 600 ft)
1:21 pm EDT Jul 16, 2025
6pm EDT Jul 16, 2025-6pm EDT Jul 23, 2025
 
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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