Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM Areal Flood Advisory — Clarendon County, SC, Lee County, SC, Orangeburg County, SC, Sumter County, SC 9:00 PM

Lee County, South Carolina, United States

Last updated: 6:33 PM CDT  ·  Refresh
25°C
Feels like 28°
Rain
▲ 33°  /  ▼ 21°
Wind
6 mph WNW
Humidity
90%
Dew Point
23°
Pressure
29.76 inHg
Visibility
5 mi
UV Index
0.7
Cloud Cover
90%
Sunrise
6:46 AM
Sunset
8:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lee County is currently rain at 25°C. Precipitation is likely — peak probability 89% around 8 PM. Atmospheric instability is elevated (CAPE up to 1645 J/kg) — isolated convective development possible. Sunrise: 6:46AM · Sunset: 8:00PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
Areal Flood Advisory
Clarendon County, SC, Lee County, SC, Orangeburg County, SC, Sumter County, SC
Expires 9:00 PM
49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
80%
8 PM
26°
88%
9 PM
23°
62%
10 PM
23°
54%
11 PM
23°
62%
12 AM
23°
40%
1 AM
23°
38%
2 AM
23°
24%
3 AM
23°
29%
4 AM
22°
29%
5 AM
21°
29%
6 AM
21°
30%
7 AM
21°
22%
8 AM
22°
33%
9 AM
23°
35%
10 AM
24°
32%
11 AM
26°
33%
12 PM
26°
36%
1 PM
28°
36%
2 PM
29°
40%
3 PM
30°
40%
4 PM
30°
40%
5 PM
29°
41%
6 PM
29°
30%
7-Day Forecast
Tonight
33° 21°
Rain, 80% chance.
Sat
32° 21°
Partly Cloudy with a 38% chance of rain.
Sun
34° 22°
Partly Cloudy.
Mon
32° 19°
Mostly Clear with a 53% chance of rain.
Tue
32° 19°
Drizzle, 45% chance.
Wed
32° 21°
Heavy Rain, 80% chance.
Thu
32° 20°
Heavy Rain, 83% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Rain 80% 6 mph WNW 90%
8 PM 26° Rain 88% 7 mph E 92%
9 PM 23° Overcast 62% 7 mph E 93%
10 PM 23° Overcast 54% 7 mph E 94%
11 PM 23° Overcast 62% 5 mph ESE 93%
12 AM 23° Overcast 40% 3 mph E 94%
1 AM 23° Mostly Cloudy 38% 2 mph ESE 94%
2 AM 23° Mostly Cloudy 24% 2 mph SE 94%
3 AM 23° Mostly Cloudy 29% 2 mph SSE 95%
4 AM 22° Mostly Cloudy 29% 3 mph SSE 96%
5 AM 21° Mostly Cloudy 29% 3 mph SE 95%
6 AM 21° Partly Cloudy 30% 2 mph ESE 94%
7 AM 21° Partly Cloudy 22% 3 mph SE 94%
8 AM 22° Mostly Cloudy 33% 3 mph SW 90%
9 AM 23° Partly Cloudy 35% 4 mph WSW 86%
10 AM 24° Partly Cloudy 32% 4 mph WSW 80%
11 AM 26° Partly Cloudy 33% 4 mph WSW 76%
12 PM 26° Partly Cloudy 36% 5 mph WSW 73%
1 PM 28° Partly Cloudy 36% 5 mph W 69%
2 PM 29° Partly Cloudy 40% 5 mph WSW 67%
3 PM 30° Partly Cloudy 40% 5 mph WSW 66%
4 PM 30° Partly Cloudy 40% 6 mph WSW 65%
5 PM 29° Mostly Clear 41% 5 mph WSW 66%
6 PM 29° Mostly Clear 30% 4 mph SW 68%
15-Day Forecast
Today
8/21
Rain
80%
21°
33°
Sat
8/22
Partly Cloudy
38%
21°
32°
Sun
8/23
Partly Cloudy
19%
22°
34°
Mon
8/24
Mostly Clear
53%
19°
32°
Tue
8/25
Drizzle
45%
19°
32°
Wed
8/26
Heavy Rain
80%
21°
32°
Thu
8/27
Heavy Rain
83%
20°
32°
Fri
8/28
Drizzle
73%
23°
33°
Sat
8/29
Rain
73%
22°
34°
Sun
8/30
Rain
72%
20°
34°
Mon
8/31
Drizzle
56%
21°
37°
Tue
9/1
Rain
90%
23°
36°
Wed
9/2
Drizzle
60%
23°
34°
Thu
9/3
Drizzle
60%
22°
33°
Fri
9/4
Drizzle
60%
22°
33°
49
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
49 AQI 8.8 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 49 Good 44 49
Sun 37 Good 37 33
Mon 39 Good 36 39
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, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE900 J/kg
MLCAPE992 J/kg
MUCAPE1460 J/kg
SBCIN-87 J/kg
MLCIN-52 J/kg
Lifted Index-3.6
Kinematics
0–6 km Shear15 kt
0–1 km Shear5 kt
Eff. Shear15 kt
0–1 km SRH22
0–3 km SRH63
Eff. SRH63
Storm Motion268° @ 22 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.4
Thermo & Levels
PWAT2.33 in
0–3 km LR5.4 °C/km
700–500 LR5.4 °C/km
Total Totals47.3
LCL980 hPa
LFC810 hPa
EL224 hPa
Freezing Lvl14,364 ft