Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Fair

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 30.08 in (1016.9 mb)
Dewpoint 73°F (23°C)
Visibility 8.00 mi
Heat Index76°F (24°C)
Last update 2 Jul 3:54 am EDT
Extended Forecast for

Lancaster Mill SC

Heat Advisory July 2, 12:00pm until July 2, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 98. Heat index values as high as 109. Calm wind.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 107. Light and variable wind.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny and hot, with a high near 101. Calm wind becoming south around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Saturday Night

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

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Sunday Night

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

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 98. Chance of precipitation is 40%.

    High: 98 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 109. Calm wind.
Tonight
Mostly clear, with a low around 76. Calm wind.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 107. Light and variable wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Independence Day
Sunny and hot, with a high near 101. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 75.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 94. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster Mill SC
 34.71°N 80.82°W (Elev. 427 ft)
2:20 am EDT Jul 2, 2026
5am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
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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