Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

88°F

31°C

Humidity 58%
Wind Speed SW 10 G 16 mph
Barometer 30.09 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 18 Jun 5:15 pm EDT
Extended Forecast for

4 Miles NNW Cross Keys SC

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Sunny, with a high near 92. Southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly clear, with a low around 74. Southwest wind 5 to 7 mph.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 91. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 69. West southwest wind around 6 mph becoming calm  after midnight.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

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

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92. Southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly clear, with a low around 74. Southwest wind 5 to 7 mph.
Juneteenth
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. West southwest wind 7 to 11 mph, with gusts as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69. West southwest wind around 6 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 91. Calm wind.
Friday Night
Clear, with a low around 68.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny and hot, with a high near 95.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Cross Keys SC
 34.68°N 81.82°W (Elev. 499 ft)
2:52 pm EDT Jun 18, 2025
5pm EDT Jun 18, 2025-6pm EDT Jun 25, 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