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

74°F

23°C

Humidity 85%
Wind Speed Calm
Barometer 29.93 in (1011.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 3:54 am EDT
Extended Forecast for

Rock Hill SC

  • Overnight

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

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 102. Calm wind becoming north around 5 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Calm wind becoming north around 6 mph after midnight.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 102. North northeast wind 3 to 7 mph.

    High: 95 °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 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers between 9pm and 1am.  Partly cloudy, with a low around 73. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Calm wind.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 102. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly clear, with a low around 74. Calm wind becoming north around 6 mph after midnight.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 102. North northeast wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 73. Calm wind.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
A chance of showers between 9pm and 1am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 94.
Friday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Hill SC
 34.95°N 81.01°W (Elev. 640 ft)
2:24 am EDT Aug 18, 2026
3am 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