Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Fire Weather Concerns in the Southern High Plains

Severe thunderstorms and the threat for excessive rainfall will move into the mid-Mississippi and lower Ohio Valleys today. There is potential for a few strong tornadoes, damaging wind gusts, large hail, and scattered flash flooding. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

66°F

19°C

Humidity 63%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 27 Apr 7:55 pm EDT
Extended Forecast for

Union SC

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers before 1pm, then a slight chance of showers after 2pm.  Partly sunny, with a high near 73. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly after 2am.  Increasing clouds, with a low around 57. Calm wind.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm.  Patchy fog before 7am. High near 77. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 9am.  Mostly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Calm wind.
Tuesday
A chance of showers before 1pm, then a slight chance of showers after 2pm. Partly sunny, with a high near 73. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 50 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 57. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. High near 77. Southwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. West southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers before 9am. Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 70.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 76.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
7:34 pm EDT Apr 27, 2026
8pm EDT Apr 27, 2026-6pm EDT May 4, 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