National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Fair

92°F

33°C

Humidity 47%
Wind Speed NW 7 mph
Barometer 29.93 in (1011.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 18 Aug 5:54 pm EDT
Extended Forecast for

Rock Hill - York County Airport SC

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind becoming north around 5 mph after midnight.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 101. North wind 3 to 7 mph.

    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 40 percent chance of showers and thunderstorms, mainly between 9pm and 2am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °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 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Calm wind becoming north around 5 mph after midnight.
Wednesday
Sunny, with a high near 94. Heat index values as high as 101. North wind 3 to 7 mph.
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 40 percent chance of showers and thunderstorms, mainly between 9pm and 2am. Partly cloudy, with a low around 72. 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 69.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Hill - York County Airport SC
 34.97°N 81.04°W (Elev. 591 ft)
Last Update:
2:23 pm EDT Aug 18, 2026
Forecast Valid:
6pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation