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

Hazardous Weather Conditions

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Partly Cloudy

94°F

34°C

Humidity 52%
Wind Speed Calm
Barometer 30.15 in (1019.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 15 Aug 1:54 pm EDT
Extended Forecast for

Lancaster Mill SC

Heat Advisory August 15, 02:25pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 02:25pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 1am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 106. Calm wind. Chance of precipitation is 20%.

    High: 95 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms between 9pm and 1am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 106. Calm wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 75. Calm wind.
Monday
Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 96.
Tuesday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
A chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lancaster Mill SC
 34.7°N 80.8°W (Elev. 499 ft)
Last Update:
2:21 pm EDT Aug 15, 2026
Forecast Valid:
2pm EDT Aug 15, 2026-6pm EDT Aug 21, 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