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

Greenwood County, South Carolina, United States

Last updated: 4:16 PM CDT  ·  Refresh
29°C
Feels like 31°
Mostly Cloudy
▲ 32°  /  ▼ 19°
Wind
6 mph SSE
Humidity
56%
Dew Point
22°
Pressure
29.35 inHg
Visibility
10 mi
UV Index
5.5
Cloud Cover
62%
Sunrise
6:54 AM
Sunset
8:08 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Greenwood County is currently mostly cloudy at 29°C. Precipitation is likely — peak probability 62% around 5 PM. Atmospheric instability is elevated (CAPE up to 1472 J/kg) — isolated convective development possible. Sunrise: 6:54AM · Sunset: 8:08PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
62%
6 PM
29°
58%
7 PM
28°
39%
8 PM
26°
45%
9 PM
25°
48%
10 PM
23°
47%
11 PM
23°
39%
12 AM
22°
44%
1 AM
22°
37%
2 AM
22°
20%
3 AM
21°
20%
4 AM
21°
21%
5 AM
21°
19%
6 AM
19°
27%
7 AM
19°
28%
8 AM
20°
28%
9 AM
22°
34%
10 AM
24°
33%
11 AM
24°
34%
12 PM
27°
34%
1 PM
28°
22%
2 PM
31°
23%
3 PM
31°
23%
4 PM
31°
24%
7-Day Forecast
Today
32° 19°
Mostly Cloudy with a 62% chance of rain.
Sat
34° 19°
Mostly Cloudy with a 34% chance of rain.
Sun
35° 19°
Clear.
Mon
31° 18°
Clear with a 45% chance of rain.
Tue
33° 18°
Clear with a 30% chance of rain.
Wed
36° 20°
Heavy Rain, 82% chance.
Thu
32° 21°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Cloudy 62% 6 mph SSE 56%
6 PM 29° Partly Cloudy 58% 4 mph ESE 66%
7 PM 28° Partly Cloudy 39% 3 mph SSE 74%
8 PM 26° Mostly Cloudy 45% 4 mph SSE 81%
9 PM 25° Mostly Cloudy 48% 4 mph ESE 84%
10 PM 23° Mostly Cloudy 47% 4 mph E 87%
11 PM 23° Mostly Cloudy 39% 5 mph ESE 90%
12 AM 22° Mostly Cloudy 44% 4 mph ESE 92%
1 AM 22° Mostly Cloudy 37% 3 mph ESE 95%
2 AM 22° Mostly Cloudy 20% 3 mph E 97%
3 AM 21° Mostly Cloudy 20% 2 mph ENE 97%
4 AM 21° Mostly Cloudy 21% 2 mph NE 97%
5 AM 21° Mostly Cloudy 19% 2 mph NE 97%
6 AM 19° Overcast 27% 2 mph NE 96%
7 AM 19° Overcast 28% 2 mph NNE 96%
8 AM 20° Overcast 28% 2 mph NNE 94%
9 AM 22° Overcast 34% 2 mph NNE 88%
10 AM 24° Mostly Cloudy 33% 2 mph NNE 82%
11 AM 24° Mostly Cloudy 34% 2 mph NNE 76%
12 PM 27° Mostly Cloudy 34% 2 mph NNW 71%
1 PM 28° Partly Cloudy 22% 2 mph NW 66%
2 PM 31° Partly Cloudy 23% 2 mph WNW 61%
3 PM 31° Partly Cloudy 23% 2 mph W 58%
4 PM 31° Partly Cloudy 24% 2 mph W 55%
15-Day Forecast
Today
8/21
Mostly Cloudy
62%
19°
32°
Sat
8/22
Mostly Cloudy
34%
19°
34°
Sun
8/23
Clear
7%
19°
35°
Mon
8/24
Clear
45%
18°
31°
Tue
8/25
Clear
30%
18°
33°
Wed
8/26
Heavy Rain
82%
20°
36°
Thu
8/27
Rain
90%
21°
32°
Fri
8/28
Rain
72%
19°
35°
Sat
8/29
Rain
68%
21°
33°
Sun
8/30
Rain
68%
19°
36°
Mon
8/31
Drizzle
60%
19°
36°
Tue
9/1
Drizzle
60%
22°
37°
Wed
9/2
Drizzle
60%
22°
36°
Thu
9/3
Drizzle
60%
22°
36°
Fri
9/4
Drizzle
60%
21°
36°
44
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
38 AQI 6.9 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 44 Good 44 38
Sun 43 Good 43 34
Mon 43 Good 39 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
SBCAPE1641 J/kg
MLCAPE1379 J/kg
MUCAPE1641 J/kg
SBCIN-66 J/kg
MLCIN-73 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear17 kt
0–1 km Shear7 kt
Eff. Shear16 kt
0–1 km SRH29
0–3 km SRH67
Eff. SRH67
Storm Motion298° @ 18 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.6
Thermo & Levels
PWAT1.99 in
0–3 km LR6.6 °C/km
700–500 LR5.9 °C/km
Total Totals49.2
LCL895 hPa
LFC799 hPa
EL168 hPa
Freezing Lvl14,295 ft