Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Fair

80°F

27°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in (1015.0 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 30 Jul 10:54 pm EDT
Extended Forecast for

4 Miles S Fort Mill SC

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am.  Mostly cloudy, with a low around 74. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming southwest around 6 mph in the afternoon.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Some of the storms could produce heavy rainfall.  Patchy fog between 1am and 3am.  Otherwise, mostly cloudy, with a low around 73. Light and variable wind.  Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 73 °F

    Heavy Rain
    then Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm.  Partly sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Mostly Sunny
    then T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Some of the storms could produce heavy rainfall.  Patchy fog between 10pm and 3am.  Otherwise, mostly cloudy, with a low around 68. North northeast wind 3 to 5 mph.  Chance of precipitation is 60%.

    Low: 68 °F

    Heavy Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 3am.  Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers after 3pm.  Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Mostly cloudy, with a low around 74. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming southwest around 6 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Friday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog between 10pm and 3am. Otherwise, mostly cloudy, with a low around 68. North northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 3am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 83.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Monday
A chance of showers before 9am, then a chance of showers after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Fort Mill SC
 34.97°N 80.95°W (Elev. 535 ft)
6:49 pm EDT Jul 30, 2025
11pm EDT Jul 30, 2025-6pm EDT Aug 6, 2025
 
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Additional Resources

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Hourly Weather Forecast

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