Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Thunderstorm in Vicinity

77°F

25°C

Humidity 88%
Wind Speed N 8 mph
Barometer 30.05 in (1015.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Aug 12:54 am EDT
Extended Forecast for

3 Miles E Rock Hill SC

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm.  High near 93. Heat index values as high as 103. Calm wind becoming south southwest around 6 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 93 °F

    Mostly Sunny
    then T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am.  Patchy fog before 3am, then patchy fog after 5am. Low around 69. Light and variable wind.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    T-storms and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm.  Patchy fog before 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 87. Light and variable wind.  Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 93. Heat index values as high as 103. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Patchy fog before 3am, then patchy fog after 5am. Low around 69. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 87. Light and variable wind. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 69. Calm wind.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Rock Hill SC
 34.92°N 80.99°W (Elev. 656 ft)
7:04 pm EDT Aug 20, 2026
1am EDT Aug 21, 2026-6pm EDT Aug 27, 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