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

Lexington County, South Carolina, United States

Last updated: 4:13 PM CDT  ·  Refresh
30°C
Feels like 32°
Overcast
▲ 33°  /  ▼ 21°
Wind
10 mph WNW
Humidity
59%
Dew Point
22°
Pressure
29.51 inHg
Visibility
9 mi
UV Index
2.8
Cloud Cover
92%
Sunrise
6:51 AM
Sunset
8:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lexington County is currently overcast at 30°C. Precipitation is likely — peak probability 64% around 5 PM. Atmospheric instability is elevated (CAPE up to 1724 J/kg) — isolated convective development possible. Sunrise: 6:51AM · Sunset: 8:04PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
64%
6 PM
29°
58%
7 PM
28°
59%
8 PM
27°
50%
9 PM
27°
51%
10 PM
24°
53%
11 PM
24°
54%
12 AM
23°
55%
1 AM
23°
53%
2 AM
23°
31%
3 AM
22°
31%
4 AM
22°
36%
5 AM
22°
27%
6 AM
21°
27%
7 AM
21°
27%
8 AM
21°
36%
9 AM
23°
42%
10 AM
24°
38%
11 AM
26°
38%
12 PM
27°
33%
1 PM
28°
33%
2 PM
30°
34%
3 PM
31°
35%
4 PM
31°
35%
7-Day Forecast
Today
33° 21°
Overcast with a 64% chance of rain.
Sat
33° 21°
Partly Cloudy with a 38% chance of rain.
Sun
34° 21°
Clear.
Mon
32° 20°
Clear with a 45% chance of rain.
Tue
32° 19°
Drizzle, 51% chance.
Wed
34° 20°
Rain, 70% chance.
Thu
32° 22°
Heavy Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Overcast 64% 10 mph WNW 59%
6 PM 29° Overcast 58% 6 mph NNW 66%
7 PM 28° Overcast 59% 5 mph E 74%
8 PM 27° Overcast 50% 6 mph SE 80%
9 PM 27° Overcast 51% 6 mph SE 84%
10 PM 24° Overcast 53% 7 mph SE 89%
11 PM 24° Overcast 54% 7 mph ESE 93%
12 AM 23° Overcast 55% 7 mph SE 93%
1 AM 23° Mostly Cloudy 53% 6 mph SE 94%
2 AM 23° Mostly Cloudy 31% 5 mph SE 94%
3 AM 22° Overcast 31% 4 mph SE 95%
4 AM 22° Overcast 36% 4 mph SSE 95%
5 AM 22° Overcast 27% 3 mph S 95%
6 AM 21° Overcast 27% 3 mph SSE 94%
7 AM 21° Mostly Cloudy 27% 3 mph SSE 93%
8 AM 21° Partly Cloudy 36% 3 mph SSE 92%
9 AM 23° Partly Cloudy 42% 3 mph SSW 87%
10 AM 24° Partly Cloudy 38% 3 mph SW 82%
11 AM 26° Partly Cloudy 38% 3 mph SW 78%
12 PM 27° Partly Cloudy 33% 3 mph SW 72%
1 PM 28° Partly Cloudy 33% 3 mph WSW 66%
2 PM 30° Partly Cloudy 34% 4 mph WSW 62%
3 PM 31° Partly Cloudy 35% 4 mph WSW 60%
4 PM 31° Partly Cloudy 35% 4 mph WSW 59%
15-Day Forecast
Today
8/21
Overcast
64%
21°
33°
Sat
8/22
Partly Cloudy
38%
21°
33°
Sun
8/23
Clear
7%
21°
34°
Mon
8/24
Clear
45%
20°
32°
Tue
8/25
Drizzle
51%
19°
32°
Wed
8/26
Rain
70%
20°
34°
Thu
8/27
Heavy Rain
82%
22°
32°
Fri
8/28
Drizzle
53%
20°
34°
Sat
8/29
Drizzle
44%
23°
32°
Sun
8/30
Rain
68%
21°
34°
Mon
8/31
Drizzle
60%
19°
34°
Tue
9/1
Drizzle
60%
23°
36°
Wed
9/2
Drizzle
60%
23°
35°
Thu
9/3
Drizzle
60%
22°
34°
Fri
9/4
Drizzle
60%
22°
34°
44
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
44 AQI 7.9 µg/m³
O3
Ground-level ozone
43 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 44 Good 43 44
Sun 41 Good 41 32
Mon 41 Good 39 41
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
SBCAPE1489 J/kg
MLCAPE1920 J/kg
MUCAPE2191 J/kg
SBCIN-68 J/kg
MLCIN-44 J/kg
Lifted Index-5.1
Kinematics
0–6 km Shear11 kt
0–1 km Shear14 kt
Eff. Shear11 kt
0–1 km SRH44
0–3 km SRH63
Eff. SRH63
Storm Motion266° @ 22 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.2
Thermo & Levels
PWAT2.38 in
0–3 km LR6.7 °C/km
700–500 LR6.0 °C/km
Total Totals50.8
LCL890 hPa
LFC804 hPa
EL178 hPa
Freezing Lvl14,072 ft