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

91°F

33°C

Humidity	59%
Wind Speed	NA
Barometer	30.17 in (1020.1 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	102°F (39°C)
Last update	15 Aug 12:54 pm EDT

More Information:

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

Extended Forecast for

York SCSimilar City Names

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: 95 °F
Hot
Tonight
Low: 74 °F
Partly Cloudy
then Patchy
Fog
Sunday
High: 96 °F
Patchy Fog
then Sunny
Sunday Night
Low: 74 °F
Mostly Clear
Monday
High: 98 °F
Hot
Monday Night
Low: 74 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 72 °F
Chance
Showers

Detailed Forecast

This Afternoon

Mostly sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind.

Tonight

Patchy fog after 4am. Otherwise, partly cloudy, with a low around 74. Calm wind.

Sunday

Patchy fog before 9am. Otherwise, sunny and hot, with a high near 96. Heat index values as high as 106. Light and variable wind.

Sunday Night

Mostly clear, with a low around 74. Calm wind.

Monday

Sunny and hot, with a high near 98. Calm wind becoming west 5 to 7 mph in the afternoon.

Monday Night

A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.

Tuesday

Sunny, with a high near 94.

Tuesday Night

A 30 percent chance of showers before 2am. Partly cloudy, with a low around 72.

Wednesday

Sunny, with a high near 94.

Wednesday Night

Partly cloudy, with a low around 73.

Thursday

A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.