Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Fair

75°F

24°C

Humidity 90%
Wind Speed Calm
Barometer 29.98 in (1013.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 11:54 pm EDT
Extended Forecast for

3 Miles SW Rock Hill SC

  • Overnight

    Overnight: Partly cloudy, with a low around 73. Calm wind becoming north northeast around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 101. North northeast wind around 6 mph becoming calm  in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Heat index values as high as 103. Light and variable wind.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 9pm and 2am.  Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

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

    Low: 69 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Calm wind becoming north northeast around 5 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 101. North northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 72. Calm wind.
Thursday
Sunny and hot, with a high near 96. Heat index values as high as 103. Light and variable wind.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 9pm and 2am. Partly cloudy, with a low around 71. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Friday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Rock Hill SC
 34.91°N 81.04°W (Elev. 577 ft)
8:03 pm EDT Aug 18, 2026
12am EDT Aug 19, 2026-6pm EDT Aug 25, 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