Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. 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 80%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 27 Jul 8:55 pm EDT
Extended Forecast for

Jonesville SC

  • Tonight

    Tonight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly clear, with a low around 72. West wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 67. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 67 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 72. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 91. Calm wind becoming west northwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 67. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 67.
Friday
Sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 70.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Jonesville SC
 34.85°N 81.69°W (Elev. 686 ft)
6:39 pm EDT Jul 27, 2026
9pm EDT Jul 27, 2026-6pm EDT Aug 3, 2026
 
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Additional Resources

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