Severe Thunderstorm Warning — Florence County, SC, Williamsburg County, SC 6:15 PM Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM

Florence County, South Carolina, United States

Last updated: 5:22 PM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Cloudy
▲ 33°  /  ▼ 21°
Wind
5 mph ENE
Humidity
74%
Dew Point
23°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
2.7
Cloud Cover
81%
Sunrise
6:44 AM
Sunset
7:58 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Florence County is currently mostly cloudy at 29°C. Precipitation is likely — peak probability 89% around 7 PM. Atmospheric instability is elevated (CAPE up to 1764 J/kg) — isolated convective development possible. Sunrise: 6:44AM · Sunset: 7:58PM.

54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
61%
7 PM
27°
88%
8 PM
24°
87%
9 PM
23°
85%
10 PM
23°
82%
11 PM
23°
67%
12 AM
23°
66%
1 AM
23°
60%
2 AM
23°
29%
3 AM
23°
37%
4 AM
22°
41%
5 AM
21°
33%
6 AM
21°
38%
7 AM
21°
38%
8 AM
22°
38%
9 AM
25°
35%
10 AM
27°
43%
11 AM
27°
45%
12 PM
28°
45%
1 PM
30°
36%
2 PM
31°
36%
3 PM
30°
39%
4 PM
30°
43%
5 PM
29°
43%
7-Day Forecast
Tonight
33° 21°
Mostly Cloudy with a 85% chance of rain.
Sat
33° 21°
Partly Cloudy with a 66% chance of rain.
Sun
33° 22°
Partly Cloudy with a 25% chance of rain.
Mon
32° 21°
Mostly Clear with a 53% chance of rain.
Tue
31° 21°
Drizzle, 52% chance.
Wed
32° 20°
Heavy Rain, 80% chance.
Thu
31° 21°
Rain, 83% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Cloudy 61% 5 mph ENE 74%
7 PM 27° Overcast 88% 5 mph ENE 86%
8 PM 24° Heavy Rain 87% 7 mph NNE 94%
9 PM 23° Thunderstorm 85% 4 mph ESE 94%
10 PM 23° Heavy Rain 82% 6 mph E 94%
11 PM 23° Heavy Rain 67% 5 mph ESE 94%
12 AM 23° Heavy Rain 66% 4 mph ESE 94%
1 AM 23° Overcast 60% 3 mph SE 95%
2 AM 23° Overcast 29% 2 mph SE 95%
3 AM 23° Overcast 37% 2 mph SE 95%
4 AM 22° Mostly Cloudy 41% 3 mph SE 95%
5 AM 21° Mostly Cloudy 33% 3 mph SE 95%
6 AM 21° Mostly Cloudy 38% 2 mph SE 94%
7 AM 21° Mostly Cloudy 38% 2 mph WNW 94%
8 AM 22° Partly Cloudy 38% 2 mph W 92%
9 AM 25° Partly Cloudy 35% 3 mph WSW 86%
10 AM 27° Rain 43% 4 mph WSW 79%
11 AM 27° Rain 45% 5 mph WSW 74%
12 PM 28° Mostly Clear 45% 5 mph WSW 70%
1 PM 30° Mostly Clear 36% 5 mph WSW 66%
2 PM 31° Partly Cloudy 36% 6 mph WSW 63%
3 PM 30° Partly Cloudy 39% 6 mph WSW 63%
4 PM 30° Partly Cloudy 43% 6 mph WSW 63%
5 PM 29° Partly Cloudy 43% 5 mph WSW 64%
15-Day Forecast
Today
8/21
Mostly Cloudy
85%
21°
33°
Sat
8/22
Partly Cloudy
66%
21°
33°
Sun
8/23
Partly Cloudy
25%
22°
33°
Mon
8/24
Mostly Clear
53%
21°
32°
Tue
8/25
Drizzle
52%
21°
31°
Wed
8/26
Heavy Rain
80%
20°
32°
Thu
8/27
Rain
83%
21°
31°
Fri
8/28
Rain
83%
20°
32°
Sat
8/29
Drizzle
54%
22°
31°
Sun
8/30
Rain
72%
21°
33°
Mon
8/31
Drizzle
68%
19°
33°
Tue
9/1
Drizzle
60%
23°
34°
Wed
9/2
Drizzle
60%
23°
33°
Thu
9/3
Drizzle
60%
22°
33°
Fri
9/4
Drizzle
60%
22°
32°
54
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
54 AQI 10.9 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 54 Moderate 43 54
Sun 38 Good 37 38
Mon 49 Good 40 49
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, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2242 J/kg
MLCAPE1107 J/kg
MUCAPE2242 J/kg
SBCIN-30 J/kg
MLCIN-85 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear17 kt
0–1 km Shear18 kt
Eff. Shear17 kt
0–1 km SRH115
0–3 km SRH134
Eff. SRH134
Storm Motion277° @ 15 kt
0–1 km EHI1.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.4
Thermo & Levels
PWAT2.11 in
0–3 km LR6.7 °C/km
700–500 LR5.5 °C/km
Total Totals49.5
LCL934 hPa
LFC839 hPa
EL158 hPa
Freezing Lvl14,984 ft