Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

82°F

28°C

Humidity 70%
Wind Speed SW 3 mph
Barometer 30.04 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 22 Jul 10:35 pm EDT
Extended Forecast for

3 Miles SSW Union SC

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 73. Light southwest wind.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm.  Mostly cloudy, with a high near 86. Light and variable wind becoming west around 6 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 86 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 5am, then a chance of showers.  Patchy fog before 2am, then patchy fog after 3am. Low around 67. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    T-storms
    Likely then
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 8am.  Mostly cloudy, with a high near 80. Light north northeast wind.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 73. Light southwest wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 86. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and thunderstorms before 5am, then a chance of showers. Patchy fog before 2am, then patchy fog after 3am. Low around 67. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 80. Light north northeast wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.
Saturday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 70.
Monday
Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Union SC
 34.69°N 81.65°W (Elev. 499 ft)
6:29 pm EDT Jul 22, 2026
10pm EDT Jul 22, 2026-6pm EDT Jul 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