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

Laurens County Airport (KLUX)

Lat: 34.51°NLon: 81.95°WElev: 696ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.86 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 28 Jul 1:15 am EDT
Extended Forecast for

Joanna SC

  • Overnight

    Overnight: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Heat index values as high as 104. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 74. West southwest wind 3 to 7 mph. Winds could gust as high as 18 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. North northwest wind 3 to 6 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. North wind 3 to 5 mph.

    Low: 68 °F

    Mostly 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

Overnight
Partly cloudy, with a low around 72. Calm wind.
Tuesday
Mostly sunny, with a high near 94. Heat index values as high as 104. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. West southwest wind 3 to 7 mph. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 91. North northwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 68. North wind 3 to 5 mph.
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
Partly sunny, with a high near 89.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 71.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
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 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Joanna SC
 34.41°N 81.82°W (Elev. 505 ft)
6:39 pm EDT Jul 27, 2026
1am EDT Jul 28, 2026-6pm EDT Aug 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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