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.

Fair

77°F

25°C

Humidity	90%
Wind Speed	Calm
Barometer	30.13 in (1018.7 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	15 Aug 1:54 am EDT

More Information:

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

Extended Forecast for

2 Miles NNE Rock Hill SC

Heat Advisory August 15, 11:00am until August 15, 08:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 75 °F
Partly Cloudy
Saturday
High: 96 °F
Hot
Saturday Night
Low: 75 °F
Slight Chance
T-storms then
Patchy Fog
Sunday
High: 97 °F
Patchy Fog
then Sunny
Sunday Night
Low: 75 °F
Mostly Clear
Monday
High: 100 °F
Hot
Monday Night
Low: 75 °F
Chance
T-storms then
Partly Cloudy
Tuesday
High: 95 °F
Hot
Tuesday Night
Low: 73 °F
Chance
Showers

Detailed Forecast

Overnight

Partly cloudy, with a low around 75. Calm wind.

Saturday

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

Saturday Night

A slight chance of showers and thunderstorms between 11pm and midnight. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.

Sunday

Patchy fog before 9am. Otherwise, sunny and hot, with a high near 97. Heat index values as high as 110. Light and variable wind.

Sunday Night

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

Monday

Sunny and hot, with a high near 100.

Monday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

Tuesday

Sunny and hot, with a high near 95.

Tuesday Night

A 30 percent chance of showers before 2am. Partly cloudy, with a low around 73.

Wednesday

Sunny and hot, with a high near 95.

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.