Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Rock Hill, Rock Hill - York County Airport (KUZA)

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Fair

79°F

26°C

Humidity 65%
Wind Speed NW 9 mph
Barometer 29.95 in (1012.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 11:54 pm EDT
Extended Forecast for

4 Miles WSW Lesslie SC

  • Overnight

    Overnight: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming northwest around 6 mph in the morning.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Heat index values as high as 102. North northeast wind around 6 mph becoming calm  in the afternoon.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 8pm and 2am.  Partly cloudy, with a low around 71. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely after 2pm.  Partly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Mostly Sunny
    then T-storms
    Likely

  • Friday Night

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

    Low: 69 °F

    T-storms
    Likely then
    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Calm wind.
Tuesday
Mostly sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming northwest around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 72. Calm wind becoming north northeast around 5 mph after midnight.
Wednesday
Sunny and hot, with a high near 96. Heat index values as high as 102. North northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 73. Calm wind.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
Friday
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lesslie SC
 34.88°N 81.02°W (Elev. 548 ft)
6:59 pm EDT Aug 17, 2026
12am EDT Aug 18, 2026-6pm EDT Aug 24, 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