Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Severe Thunderstorm Watch in effect from August 21, 01:40 PM EDT until August 21, 09:00 PM EDT

Current conditions at

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

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Fair

89°F

32°C

Humidity	52%
Wind Speed	SE 5 mph
Barometer	30.02 in (1015.2 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	94°F (34°C)
Last update	21 Aug 1:54 pm EDT

More Information:

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

Extended Forecast for

2 Miles WNW Rock Hill SC

Severe T-storm Watch until August 21, 09:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until August 21, 09:00pm
NOW until 9:00pm Fri
Severe T-storm Watch
This Afternoon
High: 91 °F
Heavy Rain
Tonight
Low: 69 °F
Heavy Rain
and Patchy
Fog then
Chance
Showers and
Patchy Fog
Saturday
High: 87 °F
Patchy Fog
then Slight
Chance
T-storms
Saturday Night
Low: 69 °F
Partly Cloudy
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 65 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 65 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 91. Heat index values as high as 100. South southwest wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 69. Calm wind.

Sunday

Sunny, with a high near 88. Calm wind becoming north northwest around 6 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 65.

Monday

Sunny, with a high near 87.

Monday Night

Partly cloudy, with a low around 65.

Tuesday

Mostly sunny, with a high near 87.