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

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. 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

90°F

32°C

Humidity 63%
Wind Speed Calm
Barometer 30.13 in (1018.5 mb)
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index101°F (38°C)
Last update 2 Jul 12:54 pm EDT
Extended Forecast for

2 Miles SSE Irwin SC

Heat Advisory July 3, 12:00pm until July 3, 08:00pm
Heat Advisory July 2, 01:55pm until July 2, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory July 2, 01:55pm until July 2, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 104. 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

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind.
Tonight
Mostly clear, with a low around 75. Calm wind.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 104. 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 73. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. 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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Irwin SC
 34.66°N 80.8°W (Elev. 584 ft)
Last Update:
1:21 pm EDT Jul 2, 2026
Forecast Valid:
1pm EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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