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

Fairfield County, South Carolina, United States

Last updated: 6:33 PM CDT  ·  Refresh
24°C
Feels like 27°
Overcast
▲ 32°  /  ▼ 19°
Wind
4 mph ESE
Humidity
85%
Dew Point
22°
Pressure
29.48 inHg
Visibility
8 mi
UV Index
0.9
Cloud Cover
89%
Sunrise
6:49 AM
Sunset
8:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fairfield County is currently overcast at 24°C. Precipitation is likely — peak probability 90% around 7 PM. Atmospheric instability is elevated (CAPE up to 1330 J/kg) — isolated convective development possible. Sunrise: 6:49AM · Sunset: 8:04PM.

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°
90%
8 PM
26°
72%
9 PM
24°
73%
10 PM
23°
73%
11 PM
23°
62%
12 AM
22°
57%
1 AM
22°
53%
2 AM
22°
38%
3 AM
22°
38%
4 AM
22°
34%
5 AM
19°
24%
6 AM
19°
14%
7 AM
19°
21%
8 AM
21°
21%
9 AM
22°
33%
10 AM
23°
33%
11 AM
24°
30%
12 PM
25°
36%
1 PM
27°
24%
2 PM
28°
26%
3 PM
28°
26%
4 PM
28°
30%
5 PM
29°
27%
6 PM
29°
30%
7-Day Forecast
Tonight
32° 19°
Overcast with a 90% chance of rain.
Sat
31° 19°
Mostly Cloudy with a 53% chance of rain.
Sun
31° 21°
Mostly Clear.
Mon
32° 18°
Clear with a 53% chance of rain.
Tue
31° 18°
Mostly Clear with a 26% chance of rain.
Wed
31° 20°
Heavy Rain, 80% chance.
Thu
31° 20°
Rain, 80% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Overcast 90% 4 mph ESE 85%
8 PM 26° Overcast 72% 4 mph ESE 89%
9 PM 24° Overcast 73% 5 mph ESE 93%
10 PM 23° Overcast 73% 5 mph SE 96%
11 PM 23° Overcast 62% 4 mph SE 97%
12 AM 22° Overcast 57% 2 mph S 97%
1 AM 22° Overcast 53% 2 mph S 97%
2 AM 22° Overcast 38% 2 mph S 97%
3 AM 22° Overcast 38% 2 mph SSE 97%
4 AM 22° Overcast 34% 3 mph S 98%
5 AM 19° Overcast 24% 3 mph SSE 97%
6 AM 19° Overcast 14% 2 mph ESE 97%
7 AM 19° Mostly Cloudy 21% 2 mph E 96%
8 AM 21° Mostly Cloudy 21% 2 mph SW 93%
9 AM 22° Overcast 33% 2 mph W 89%
10 AM 23° Overcast 33% 2 mph W 84%
11 AM 24° Overcast 30% 2 mph W 80%
12 PM 25° Overcast 36% 2 mph W 74%
1 PM 27° Overcast 24% 3 mph W 68%
2 PM 28° Mostly Cloudy 26% 3 mph W 64%
3 PM 28° Mostly Cloudy 26% 3 mph W 62%
4 PM 28° Mostly Cloudy 30% 3 mph W 59%
5 PM 29° Partly Cloudy 27% 3 mph WSW 60%
6 PM 29° Partly Cloudy 30% 2 mph SW 62%
15-Day Forecast
Today
8/21
Overcast
90%
19°
32°
Sat
8/22
Mostly Cloudy
53%
19°
31°
Sun
8/23
Mostly Clear
6%
21°
31°
Mon
8/24
Clear
53%
18°
32°
Tue
8/25
Mostly Clear
26%
18°
31°
Wed
8/26
Heavy Rain
80%
20°
31°
Thu
8/27
Rain
80%
20°
31°
Fri
8/28
Drizzle
56%
23°
32°
Sat
8/29
Rain
73%
21°
33°
Sun
8/30
Rain
72%
19°
33°
Mon
8/31
Drizzle
56%
20°
38°
Tue
9/1
Drizzle
60%
22°
37°
Wed
9/2
Drizzle
60%
22°
33°
Thu
9/3
Drizzle
60%
22°
32°
Fri
9/4
Rain
90%
21°
32°
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
36 AQI 6.5 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 44 Good 44 36
Sun 38 Good 38 27
Mon 36 Good 36 32
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
SBCAPE537 J/kg
MLCAPE1347 J/kg
MUCAPE2997 J/kg
SBCIN-177 J/kg
MLCIN-80 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear22 kt
0–1 km Shear10 kt
Eff. Shear20 kt
0–1 km SRH51
0–3 km SRH120
Eff. SRH120
Storm Motion281° @ 21 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell3.7
K-Index40.2
Thermo & Levels
PWAT2.19 in
0–3 km LR5.1 °C/km
700–500 LR5.6 °C/km
Total Totals48.9
LCL974 hPa
LFC759 hPa
EL284 hPa
Freezing Lvl14,104 ft