Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 17, 12:00 PM EDT until August 17, 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	96%
Wind Speed	S 5 mph
Barometer	30.03 in (1015.2 mb)
Dewpoint	76°F (24°C)
Visibility	8.00 mi
Heat Index	78°F (26°C)
Last update	17 Aug 7:54 am EDT

More Information:

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

Extended Forecast for

2 Miles W Fort Mill SC

Heat Advisory August 17, 12:00pm until August 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 98 °F
Hot
Tonight
Low: 75 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 73 °F
Mostly Clear
Wednesday
High: 95 °F
Hot
Wednesday Night
Low: 73 °F
Mostly Clear
Thursday
High: 97 °F
Hot
Thursday Night
Low: 73 °F
Partly Cloudy
Friday
High: 94 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon.

Tonight

A 20 percent chance of showers and thunderstorms before 11pm. Increasing clouds, with a low around 75. Calm wind.

Tuesday

Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming north around 5 mph.

Tuesday Night

Mostly clear, with a low around 73. Calm wind becoming north northeast around 5 mph after midnight.

Wednesday

Sunny and hot, with a high near 95. North northeast wind around 5 mph becoming calm in the afternoon.

Wednesday Night

Mostly clear, with a low around 73.

Thursday

Sunny and hot, with a high near 97.

Thursday Night

Partly cloudy, with a low around 73.

Friday

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

Friday Night

A chance of showers and thunderstorms before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Saturday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Sunday

Mostly sunny, with a high near 89.