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

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
Sunny then
Chance
T-storms
Saturday Night
Low: 74 °F
Chance
T-storms then
Mostly Clear
Sunday
High: 95 °F
Hot
Sunday Night
Low: 75 °F
Mostly Clear
Monday
High: 98 °F
Hot
Monday Night
Low: 75 °F
Mostly Clear
Tuesday
High: 95 °F
Hot
Tuesday Night
Low: 74 °F
Partly Cloudy

Detailed Forecast

Overnight

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

Saturday

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 106. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74. Calm wind. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Light and variable wind.

Sunday Night

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

Monday

Sunny and hot, with a high near 98.

Monday Night

Mostly clear, with a low around 75.

Tuesday

Sunny and hot, with a high near 95.

Tuesday Night

Partly cloudy, with a low around 74.