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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Thunderstorm in Vicinity Light Rain

74°F

23°C

Humidity 79%
Wind Speed SW 5 G 30 mph
Barometer 30.06 in (1016.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 28 Aug 6:54 pm EDT
Extended Forecast for

Fort Mill SC

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 3am and 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 84. Calm wind becoming east around 6 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly between 3am and 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 70. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 50 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 84. Calm wind becoming east around 6 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly cloudy, with a low around 70. Calm wind.
Sunday
Partly sunny, with a high near 88. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 70. Calm wind.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny and hot, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Mill SC
 35.01°N 80.95°W (Elev. 640 ft)
Last Update:
7:08 pm EDT Aug 28, 2026
Forecast Valid:
7pm EDT Aug 28, 2026-6pm EDT Sep 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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