Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM

Clarendon County, South Carolina, United States

Last updated: 4:14 PM CDT  ·  Refresh
35°C
Feels like 39°
Mostly Clear
▲ 35°  /  ▼ 21°
Wind
8 mph S
Humidity
47%
Dew Point
22°
Pressure
29.79 inHg
Visibility
10 mi
UV Index
6.5
Cloud Cover
14%
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 mostly clear at 35°C. Precipitation is likely — peak probability 90% around 7 PM. Atmospheric instability is elevated (CAPE up to 1727 J/kg) — isolated convective development possible. Sunrise: 6:47AM · Sunset: 8:00PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
61%
6 PM
34°
84%
7 PM
30°
90%
8 PM
26°
90%
9 PM
26°
90%
10 PM
24°
74%
11 PM
24°
53%
12 AM
24°
61%
1 AM
24°
58%
2 AM
24°
20%
3 AM
23°
26%
4 AM
23°
21%
5 AM
23°
24%
6 AM
21°
33%
7 AM
21°
29%
8 AM
22°
46%
9 AM
23°
39%
10 AM
24°
47%
11 AM
25°
47%
12 PM
27°
50%
1 PM
28°
54%
2 PM
29°
54%
3 PM
29°
50%
4 PM
29°
58%
7-Day Forecast
Today
35° 21°
Mostly Clear with a 90% chance of rain.
Sat
33° 21°
Partly Cloudy with a 64% chance of rain.
Sun
33° 22°
Mostly Clear.
Mon
34° 21°
Clear with a 74% chance of rain.
Tue
32° 22°
Drizzle, 51% chance.
Wed
32° 21°
Rain, 70% chance.
Thu
32° 23°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 35° Mostly Clear 61% 8 mph S 47%
6 PM 34° Partly Cloudy 84% 7 mph SSW 59%
7 PM 30° Overcast 90% 7 mph WSW 72%
8 PM 26° Thunderstorm 90% 9 mph S 85%
9 PM 26° Rain 90% 5 mph SE 87%
10 PM 24° Overcast 74% 4 mph ESE 88%
11 PM 24° Overcast 53% 3 mph ENE 89%
12 AM 24° Overcast 61% 4 mph ENE 91%
1 AM 24° Overcast 58% 4 mph ENE 92%
2 AM 24° Overcast 20% 4 mph ENE 94%
3 AM 23° Overcast 26% 3 mph ENE 94%
4 AM 23° Overcast 21% 2 mph E 94%
5 AM 23° Overcast 24% 2 mph SE 94%
6 AM 21° Overcast 33% 2 mph E 94%
7 AM 21° Rain 29% 2 mph NE 94%
8 AM 22° Rain 46% 2 mph N 92%
9 AM 23° Rain 39% 2 mph WSW 87%
10 AM 24° Rain 47% 3 mph WSW 81%
11 AM 25° Rain 47% 4 mph WSW 76%
12 PM 27° Rain 50% 4 mph WSW 72%
1 PM 28° Rain 54% 5 mph SW 68%
2 PM 29° Rain 54% 5 mph SW 66%
3 PM 29° Partly Cloudy 50% 5 mph SW 67%
4 PM 29° Partly Cloudy 58% 5 mph SW 68%
15-Day Forecast
Today
8/21
Mostly Clear
90%
21°
35°
Sat
8/22
Partly Cloudy
64%
21°
33°
Sun
8/23
Mostly Clear
11%
22°
33°
Mon
8/24
Clear
74%
21°
34°
Tue
8/25
Drizzle
51%
22°
32°
Wed
8/26
Rain
70%
21°
32°
Thu
8/27
Rain
82%
23°
32°
Fri
8/28
Drizzle
53%
21°
33°
Sat
8/29
Rain
68%
23°
32°
Sun
8/30
Drizzle
68%
22°
34°
Mon
8/31
Drizzle
60%
24°
34°
Tue
9/1
Drizzle
60%
23°
35°
Wed
9/2
Drizzle
60%
23°
34°
Thu
9/3
Drizzle
60%
22°
34°
Fri
9/4
Drizzle
60%
22°
33°
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
Sat 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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2391 J/kg
MLCAPE1971 J/kg
MUCAPE2391 J/kg
SBCIN-0 J/kg
MLCIN-15 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear11 kt
0–1 km Shear4 kt
Eff. Shear7 kt
0–1 km SRH11
0–3 km SRH52
Eff. SRH52
Storm Motion305° @ 8 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.8
Thermo & Levels
PWAT2.20 in
0–3 km LR8.3 °C/km
700–500 LR6.1 °C/km
Total Totals51.0
LCL835 hPa
LFC821 hPa
EL148 hPa
Freezing Lvl15,141 ft