Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 15, 11:00 AM EDT until August 15, 08:00 PM EDT

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

A Few Clouds

90°F

32°C

Humidity	62%
Wind Speed	NA
Barometer	30.17 in (1020.2 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	101°F (38°C)
Last update	15 Aug 11:54 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles WSW Van Wyck SC

Heat Advisory until August 15, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 15, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
This Afternoon
High: 96 °F
Hot
Tonight
Low: 75 °F
Isolated
T-storms then
Patchy Fog
Sunday
High: 97 °F
Patchy Fog
then Sunny
Sunday Night
Low: 76 °F
Mostly Clear
Monday
High: 100 °F
Hot
Monday Night
Low: 75 °F
Chance
Showers
Tuesday
High: 96 °F
Hot
Tuesday Night
Low: 73 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Mostly sunny and hot, with a high near 96. Heat index values as high as 108. Calm wind.

Tonight

Isolated showers and thunderstorms before 11pm, then isolated showers between 11pm and midnight. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.

Sunday

Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 112. Light and variable wind.

Sunday Night

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

Monday

Sunny and hot, with a high near 100. Calm wind becoming west 5 to 7 mph in the afternoon.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

Tuesday

Sunny and hot, with a high near 96.

Tuesday Night

Partly cloudy, with a low around 73.

Wednesday

Sunny and hot, with a high near 96.

Wednesday Night

Partly cloudy, with a low around 74.

Thursday

Mostly sunny and hot, with a high near 97.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.