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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Mostly Cloudy

83°F

28°C

Humidity 65%
Wind Speed Vrbl 6 mph
Barometer 30.02 in (1015.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 22 Sep 2:54 pm EDT
Extended Forecast for

Tega Cay SC

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 85. East northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 64. Northeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Patchy fog before 1pm. Otherwise, cloudy, with a high near 70. North northeast wind 9 to 11 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers, mainly after 1am. Low around 58. North northeast wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers, mainly before 8am. High near 66. North northeast wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 66 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 85. East northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 64. Northeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers. Patchy fog before 1pm. Otherwise, cloudy, with a high near 70. North northeast wind 9 to 11 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers, mainly after 1am. Low around 58. North northeast wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers, mainly before 8am. High near 66. North northeast wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tega Cay SC
 35.04°N 81.03°W (Elev. 597 ft)
Last Update:
2:24 pm EDT Sep 22, 2026
Forecast Valid:
3pm EDT Sep 22, 2026-6pm EDT Sep 29, 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