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

Kershaw County, South Carolina, United States

Last updated: 6:35 PM CDT  ·  Refresh
24°C
Feels like 28°
Rain
▲ 33°  /  ▼ 20°
Wind
6 mph NNW
Humidity
90%
Dew Point
23°
Pressure
29.64 inHg
Visibility
10 mi
UV Index
0.5
Cloud Cover
95%
Sunrise
6:47 AM
Sunset
8:02 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Kershaw County is currently rain at 24°C. Precipitation is likely — peak probability 75% around 7 PM. Atmospheric instability is elevated (CAPE up to 1688 J/kg) — isolated convective development possible. Sunrise: 6:47AM · Sunset: 8:02PM.

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
24°
74%
8 PM
26°
58%
9 PM
23°
61%
10 PM
23°
68%
11 PM
23°
56%
12 AM
22°
57%
1 AM
22°
47%
2 AM
22°
47%
3 AM
22°
47%
4 AM
22°
48%
5 AM
20°
48%
6 AM
20°
30%
7 AM
20°
30%
8 AM
21°
23%
9 AM
23°
24%
10 AM
24°
20%
11 AM
25°
18%
12 PM
26°
23%
1 PM
29°
24%
2 PM
29°
26%
3 PM
29°
27%
4 PM
30°
23%
5 PM
29°
24%
6 PM
29°
26%
7-Day Forecast
Tonight
33° 20°
Rain, 74% chance.
Sat
32° 20°
Mostly Cloudy with a 48% chance of rain.
Sun
33° 22°
Mostly Clear.
Mon
32° 19°
Clear with a 53% chance of rain.
Tue
32° 18°
Drizzle, 45% chance.
Wed
32° 21°
Heavy Rain, 83% chance.
Thu
32° 20°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Rain 74% 6 mph NNW 90%
8 PM 26° Overcast 58% 5 mph E 92%
9 PM 23° Overcast 61% 5 mph ESE 92%
10 PM 23° Overcast 68% 6 mph ESE 93%
11 PM 23° Overcast 56% 4 mph ESE 93%
12 AM 22° Overcast 57% 3 mph SE 94%
1 AM 22° Overcast 47% 3 mph SSE 94%
2 AM 22° Overcast 47% 2 mph SSE 94%
3 AM 22° Overcast 47% 2 mph S 95%
4 AM 22° Overcast 48% 2 mph SW 95%
5 AM 20° Overcast 48% 3 mph SSW 95%
6 AM 20° Overcast 30% 3 mph SSE 94%
7 AM 20° Mostly Cloudy 30% 3 mph SSE 94%
8 AM 21° Mostly Cloudy 23% 3 mph SW 91%
9 AM 23° Mostly Cloudy 24% 3 mph WSW 86%
10 AM 24° Overcast 20% 3 mph WSW 80%
11 AM 25° Mostly Cloudy 18% 3 mph WSW 76%
12 PM 26° Mostly Cloudy 23% 4 mph W 72%
1 PM 29° Mostly Cloudy 24% 4 mph W 68%
2 PM 29° Mostly Cloudy 26% 5 mph W 65%
3 PM 29° Partly Cloudy 27% 5 mph W 63%
4 PM 30° Partly Cloudy 23% 5 mph W 61%
5 PM 29° Partly Cloudy 24% 4 mph WSW 62%
6 PM 29° Partly Cloudy 26% 3 mph SW 64%
15-Day Forecast
Today
8/21
Rain
74%
20°
33°
Sat
8/22
Mostly Cloudy
48%
20°
32°
Sun
8/23
Mostly Clear
6%
22°
33°
Mon
8/24
Clear
53%
19°
32°
Tue
8/25
Drizzle
45%
18°
32°
Wed
8/26
Heavy Rain
83%
21°
32°
Thu
8/27
Rain
90%
20°
32°
Fri
8/28
Drizzle
57%
23°
33°
Sat
8/29
Rain
73%
21°
34°
Sun
8/30
Rain
72%
19°
34°
Mon
8/31
Drizzle
56%
20°
37°
Tue
9/1
Drizzle
60%
23°
36°
Wed
9/2
Drizzle
60%
23°
33°
Thu
9/3
Drizzle
60%
22°
33°
Fri
9/4
Rain
90%
22°
33°
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
39 AQI 7.0 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 44 Good 44 39
Sun 38 Good 38 28
Mon 37 Good 37 34
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
SBCAPE747 J/kg
MLCAPE665 J/kg
MUCAPE1584 J/kg
SBCIN-81 J/kg
MLCIN-79 J/kg
Lifted Index-3.1
Kinematics
0–6 km Shear18 kt
0–1 km Shear10 kt
Eff. Shear19 kt
0–1 km SRH39
0–3 km SRH76
Eff. SRH76
Storm Motion271° @ 22 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.6
Thermo & Levels
PWAT2.21 in
0–3 km LR5.4 °C/km
700–500 LR5.2 °C/km
Total Totals42.9
LCL980 hPa
LFC802 hPa
EL249 hPa
Freezing Lvl13,865 ft