Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska and the Four Corners region. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

85°F

29°C

Humidity 71%
Wind Speed W 8 mph
Barometer 30.00 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 22 Jun 6:35 pm EDT
Extended Forecast for

3 Miles SSW Union SC

  • Tonight

    Tonight: A chance of showers and thunderstorms between 9pm and 2am, then a slight chance of showers.  Partly cloudy, with a low around 72. Southwest wind 5 to 9 mph becoming light. Winds could gust as high as 20 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 90. West wind around 6 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Mostly cloudy, then gradually becoming clear, with a low around 66. Calm wind.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Northeast wind around 5 mph becoming calm  in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 9pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Southwest wind 5 to 9 mph becoming light. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 90. West wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 66. Calm wind. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 88. Northeast wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. Calm wind.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 70.
Friday
Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Union SC
 34.69°N 81.65°W (Elev. 499 ft)
5:44 pm EDT Jun 22, 2026
7pm EDT Jun 22, 2026-6pm EDT Jun 29, 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