Richland County, South Carolina, United States

Last updated: 8:32 PM CDT  ·  Refresh
74°F
Feels like 77°
Mostly Cloudy
▲ 87°  /  ▼ 63°
Wind
7 mph ENE
Humidity
87%
Dew Point
70°
Pressure
29.72 inHg
Visibility
5 mi
UV Index
0.0
Cloud Cover
78%
Sunrise
7:11 AM
Sunset
7:20 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Richland County is currently mostly cloudy at 74°F. Precipitation is likely — peak probability 73% around 10 PM. Atmospheric instability is elevated (CAPE up to 595 J/kg) — isolated convective development possible. Sunrise: 7:11AM · Sunset: 7:20PM.

Alerts

No active alerts for this location.
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
74°
63%
10 PM
73°
72%
11 PM
73°
51%
12 AM
72°
30%
1 AM
71°
35%
2 AM
70°
39%
3 AM
69°
54%
4 AM
69°
52%
5 AM
66°
52%
6 AM
65°
30%
7 AM
64°
26%
8 AM
63°
21%
9 AM
66°
21%
10 AM
66°
11%
11 AM
67°
7%
12 PM
68°
15%
1 PM
73°
15%
2 PM
73°
9%
3 PM
72°
9%
4 PM
75°
9%
5 PM
71°
9%
6 PM
71°
9%
7 PM
70°
9%
8 PM
70°
9%
7-Day Forecast
Tonight
87° 63°
Mostly Cloudy with a 63% chance of rain.
Wed
78° 63°
Overcast with a 54% chance of rain.
Thu
73° 56°
Overcast with a 57% chance of rain.
Fri
80° 52°
Partly Cloudy.
Sat
87° 57°
Clear.
Sun
88° 58°
Clear.
Mon
85° 60°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 74° Mostly Cloudy 63% 7 mph ENE 87%
10 PM 73° Overcast 72% 6 mph NE 90%
11 PM 73° Mostly Cloudy 51% 6 mph NE 92%
12 AM 72° Mostly Cloudy 30% 7 mph NE 92%
1 AM 71° Mostly Cloudy 35% 7 mph NE 92%
2 AM 70° Mostly Cloudy 39% 8 mph NE 92%
3 AM 69° Mostly Cloudy 54% 10 mph NE 92%
4 AM 69° Overcast 52% 10 mph NNE 92%
5 AM 66° Overcast 52% 10 mph NNE 92%
6 AM 65° Overcast 30% 10 mph NNE 92%
7 AM 64° Overcast 26% 9 mph NNE 92%
8 AM 63° Overcast 21% 10 mph NNE 91%
9 AM 66° Overcast 21% 10 mph NNE 90%
10 AM 66° Overcast 11% 10 mph NNE 90%
11 AM 67° Overcast 7% 10 mph NNE 88%
12 PM 68° Overcast 15% 10 mph NNE 85%
1 PM 73° Overcast 15% 10 mph NE 81%
2 PM 73° Overcast 9% 10 mph NNE 79%
3 PM 72° Overcast 9% 10 mph NNE 79%
4 PM 75° Overcast 9% 11 mph NNE 79%
5 PM 71° Overcast 9% 11 mph NNE 79%
6 PM 71° Overcast 9% 10 mph NNE 79%
7 PM 70° Overcast 9% 10 mph NNE 79%
8 PM 70° Overcast 9% 10 mph NNE 79%
15-Day Forecast
Today
9/22
Mostly Cloudy
63%
63°
87°
Wed
9/23
Overcast
54%
63°
78°
Thu
9/24
Overcast
57%
56°
73°
Fri
9/25
Partly Cloudy
18%
52°
80°
Sat
9/26
Clear
3%
57°
87°
Sun
9/27
Clear
3%
58°
88°
Mon
9/28
Clear
8%
60°
85°
Tue
9/29
Clear
17%
61°
91°
Wed
9/30
Drizzle
44%
63°
94°
Thu
10/1
Rain
68%
66°
89°
Fri
10/2
Clear
60%
65°
91°
Sat
10/3
Drizzle
60%
64°
87°
Sun
10/4
Drizzle
60%
64°
87°
Mon
10/5
Drizzle
60%
61°
86°
Tue
10/6
Drizzle
60%
59°
84°
41
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 30 41
Thu 30 Good 30 29
Fri 29 Good 25 29
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 Tue Sep 22, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE436 J/kg
MLCAPE501 J/kg
MUCAPE749 J/kg
SBCIN-24 J/kg
MLCIN-14 J/kg
Lifted Index-1.7
Kinematics
0–6 km Shear13 kt
0–1 km Shear11 kt
Eff. Shear13 kt
0–1 km SRH-27
0–3 km SRH-9
Eff. SRH-9
Storm Motion2° @ 16 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.3
Thermo & Levels
PWAT2.13 in
0–3 km LR5.3 °C/km
700–500 LR5.2 °C/km
Total Totals42.9
LCL981 hPa
LFC879 hPa
EL271 hPa
Freezing Lvl14,364 ft