Flood Advisory — Clarendon County, SC, Lee County, SC, Orangeburg County, SC, Sumter County, SC 9:00 PM Flash Flood Warning — Clarendon County, SC, Orangeburg County, SC 9:15 PM Areal Flood Advisory — Clarendon County, SC 9:30 PM

Clarendon County, South Carolina, United States

Last updated: 8:49 PM CDT  ·  Refresh
23°C
Feels like 26°
Overcast
▲ 34°  /  ▼ 21°
Wind
5 mph ESE
Humidity
92%
Dew Point
22°
Pressure
29.86 inHg
Visibility
2 mi
UV Index
0.0
Cloud Cover
99%
Sunrise
6:47 AM
Sunset
8:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clarendon County is currently overcast at 23°C. Precipitation is likely — peak probability 79% around 9 PM. Atmospheric instability is elevated (CAPE up to 2025 J/kg) — isolated convective development possible. Sunrise: 6:47AM · Sunset: 8:00PM.

Alerts

Flood Advisory
Clarendon County, SC, Lee County, SC, Orangeburg County, SC, Sumter County, SC
Expires 9:00 PM
Flash Flood Warning
Clarendon County, SC, Orangeburg County, SC
Expires 9:15 PM
Areal Flood Advisory
Clarendon County, SC
Expires 9:30 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
79%
10 PM
23°
48%
11 PM
23°
29%
12 AM
23°
36%
1 AM
23°
35%
2 AM
23°
23%
3 AM
23°
27%
4 AM
23°
27%
5 AM
21°
27%
6 AM
21°
27%
7 AM
21°
27%
8 AM
22°
36%
9 AM
24°
29%
10 AM
25°
33%
11 AM
26°
45%
12 PM
27°
45%
1 PM
29°
50%
2 PM
29°
46%
3 PM
29°
50%
4 PM
30°
50%
5 PM
29°
50%
6 PM
29°
38%
7 PM
28°
39%
8 PM
28°
39%
7-Day Forecast
Tonight
34° 21°
Rain, 79% chance.
Sat
33° 21°
Partly Cloudy with a 45% chance of rain.
Sun
35° 22°
Partly Cloudy.
Mon
33° 20°
Partly Cloudy with a 60% chance of rain.
Tue
32° 21°
Drizzle, 64% chance.
Wed
34° 22°
Rain, 82% chance.
Thu
32° 21°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 79% 5 mph ESE 92%
10 PM 23° Overcast 48% 5 mph E 92%
11 PM 23° Overcast 29% 5 mph ESE 92%
12 AM 23° Overcast 36% 4 mph SE 93%
1 AM 23° Overcast 35% 3 mph ESE 94%
2 AM 23° Overcast 23% 3 mph ESE 94%
3 AM 23° Overcast 27% 3 mph ESE 94%
4 AM 23° Overcast 27% 2 mph SE 94%
5 AM 21° Overcast 27% 2 mph SSE 94%
6 AM 21° Mostly Cloudy 27% 3 mph SSW 94%
7 AM 21° Mostly Cloudy 27% 4 mph WSW 93%
8 AM 22° Partly Cloudy 36% 4 mph WSW 88%
9 AM 24° Partly Cloudy 29% 5 mph WSW 82%
10 AM 25° Partly Cloudy 33% 6 mph W 75%
11 AM 26° Partly Cloudy 45% 6 mph W 72%
12 PM 27° Partly Cloudy 45% 6 mph W 69%
1 PM 29° Partly Cloudy 50% 6 mph W 66%
2 PM 29° Partly Cloudy 46% 6 mph W 66%
3 PM 29° Partly Cloudy 50% 6 mph W 67%
4 PM 30° Partly Cloudy 50% 6 mph W 68%
5 PM 29° Partly Cloudy 50% 5 mph W 70%
6 PM 29° Partly Cloudy 38% 4 mph WSW 72%
7 PM 28° Mostly Clear 39% 5 mph SW 74%
8 PM 28° Partly Cloudy 39% 5 mph SW 76%
15-Day Forecast
Today
8/21
Rain
79%
21°
34°
Sat
8/22
Partly Cloudy
45%
21°
33°
Sun
8/23
Partly Cloudy
17%
22°
35°
Mon
8/24
Partly Cloudy
60%
20°
33°
Tue
8/25
Drizzle
64%
21°
32°
Wed
8/26
Rain
82%
22°
34°
Thu
8/27
Rain
82%
21°
32°
Fri
8/28
Drizzle
53%
23°
33°
Sat
8/29
Rain
68%
23°
34°
Sun
8/30
Rain
68%
21°
33°
Mon
8/31
Drizzle
60%
22°
35°
Tue
9/1
Drizzle
60%
24°
35°
Wed
9/2
Drizzle
60%
23°
34°
Thu
9/3
Drizzle
60%
23°
34°
Fri
9/4
Drizzle
60%
22°
34°
52
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
52 AQI 9.4 µg/m³
O3
Ground-level ozone
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 41 52
Sun 44 Good 44 38
Mon 43 Good 42 43
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Aug 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE233 J/kg
MLCAPE882 J/kg
MUCAPE1189 J/kg
SBCIN-163 J/kg
MLCIN-51 J/kg
Lifted Index-1.4
Kinematics
0–6 km Shear13 kt
0–1 km Shear8 kt
Eff. Shear13 kt
0–1 km SRH25
0–3 km SRH36
Eff. SRH36
Storm Motion285° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.7
Thermo & Levels
PWAT2.29 in
0–3 km LR4.7 °C/km
700–500 LR5.4 °C/km
Total Totals45.2
LCL995 hPa
LFC738 hPa
EL421 hPa
Freezing Lvl14,452 ft