Heat Advisory — Lincoln, GA, McDuffie, GA, Columbia, GA, Richmond, GA, Burke, GA, Chesterfield, SC, McCormick, SC, Newberry, SC, Fairfield, SC, Kershaw, SC, Edgefield, SC, Saluda, SC, Lexington, SC, Richland, SC, Lee, SC, Aiken, SC, Sumter, SC, Barnwell, SC, Calhoun, SC, Clarendon, SC, Bamberg, SC, Northern Lancaster, SC, Southern Lancaster, SC, Northwestern Orangeburg, SC, Central Orangeburg, SC, Southeastern Orangeburg, SC 7:00 PM

McCormick County, South Carolina, United States

Last updated: 6:15 AM CDT  ·  Refresh
24°C
Feels like 28°
Partly Cloudy
▲ 37°  /  ▼ 23°
Wind
3 mph WSW
Humidity
89%
Dew Point
23°
Pressure
29.64 inHg
Visibility
10 mi
UV Index
1.7
Cloud Cover
33%
Sunrise
6:51 AM
Sunset
8:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McCormick County is currently partly cloudy at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1989 J/kg) — isolated convective development possible. Sunrise: 6:51AM · Sunset: 8:15PM.

Alerts

Heat Advisory
Lincoln, GA, McDuffie, GA, Columbia, GA, Richmond, GA, Burke, GA, Chesterfield, SC, McCormick, SC, Newberry, SC, Fairfield, SC, Kershaw, SC, Edgefield, SC, Saluda, SC, Lexington, SC, Richland, SC, Lee, SC, Aiken, SC, Sumter, SC, Barnwell, SC, Calhoun, SC, Clarendon, SC, Bamberg, SC, Northern Lancaster, SC, Southern Lancaster, SC, Northwestern Orangeburg, SC, Central Orangeburg, SC, Southeastern Orangeburg, SC
Expires 7:00 PM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
16%
8 AM
23°
23%
9 AM
26°
23%
10 AM
29°
15%
11 AM
31°
14%
12 PM
33°
14%
1 PM
34°
14%
2 PM
36°
18%
3 PM
36°
23%
4 PM
36°
34%
5 PM
36°
44%
6 PM
33°
45%
7 PM
32°
27%
8 PM
31°
23%
9 PM
29°
23%
10 PM
26°
23%
11 PM
26°
24%
12 AM
25°
21%
1 AM
24°
22%
2 AM
25°
17%
3 AM
25°
23%
4 AM
24°
20%
5 AM
24°
11%
6 AM
23°
11%
7-Day Forecast
Today
37° 23°
Partly Cloudy with a 34% chance of rain.
Sun
39° 23°
Partly Cloudy with a 39% chance of rain.
Mon
42° 23°
Mostly Clear.
Tue
39° 24°
Clear.
Wed
39° 22°
Overcast with a 25% chance of rain.
Thu
41° 23°
Rain, 63% chance.
Fri
38° 22°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 16% 3 mph WSW 89%
8 AM 23° Partly Cloudy 23% 4 mph W 84%
9 AM 26° Partly Cloudy 23% 3 mph W 76%
10 AM 29° Partly Cloudy 15% 3 mph W 69%
11 AM 31° Partly Cloudy 14% 3 mph W 62%
12 PM 33° Partly Cloudy 14% 3 mph W 58%
1 PM 34° Mostly Clear 14% 3 mph W 53%
2 PM 36° Mostly Clear 18% 4 mph W 48%
3 PM 36° Mostly Clear 23% 3 mph W 46%
4 PM 36° Partly Cloudy 34% 3 mph NW 44%
5 PM 36° Partly Cloudy 44% 4 mph N 45%
6 PM 33° Partly Cloudy 45% 2 mph NE 52%
7 PM 32° Partly Cloudy 27% 4 mph E 58%
8 PM 31° Partly Cloudy 23% 4 mph E 64%
9 PM 29° Partly Cloudy 23% 3 mph ESE 69%
10 PM 26° Partly Cloudy 23% 3 mph ESE 74%
11 PM 26° Partly Cloudy 24% 3 mph ESE 78%
12 AM 25° Partly Cloudy 21% 3 mph ESE 81%
1 AM 24° Mostly Cloudy 22% 3 mph ESE 84%
2 AM 25° Mostly Cloudy 17% 3 mph E 87%
3 AM 25° Mostly Cloudy 23% 2 mph NNW 88%
4 AM 24° Partly Cloudy 20% 2 mph WNW 89%
5 AM 24° Partly Cloudy 11% 3 mph WNW 90%
6 AM 23° Partly Cloudy 11% 2 mph WNW 89%
15-Day Forecast
Today
8/15
Partly Cloudy
34%
23°
37°
Sun
8/16
Partly Cloudy
39%
23°
39°
Mon
8/17
Mostly Clear
13%
23°
42°
Tue
8/18
Clear
15%
24°
39°
Wed
8/19
Overcast
25%
22°
39°
Thu
8/20
Rain
63%
23°
41°
Fri
8/21
Rain
90%
22°
38°
Sat
8/22
Rain
83%
21°
36°
Sun
8/23
Rain
83%
21°
35°
Mon
8/24
Rain
64%
20°
33°
Tue
8/25
Rain
66%
21°
36°
Wed
8/26
Drizzle
60%
22°
35°
Thu
8/27
Rain
90%
22°
34°
Fri
8/28
Drizzle
60%
22°
34°
Sat
8/29
Drizzle
60%
22°
34°
39
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
39 AQI 7.1 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 36 39
Sun 37 Good 35 37
Mon 51 Moderate 36 51
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 Sat Aug 15, 10:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE447 J/kg
MLCAPE173 J/kg
MUCAPE447 J/kg
SBCIN-198 J/kg
MLCIN-213 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear9 kt
0–1 km Shear4 kt
Eff. Shear4 kt
0–1 km SRH-11
0–3 km SRH-8
Eff. SRH-8
Storm Motion249° @ 15 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.8
Thermo & Levels
PWAT2.14 in
0–3 km LR4.7 °C/km
700–500 LR5.6 °C/km
Total Totals46.4
LCL983 hPa
LFC749 hPa
EL289 hPa
Freezing Lvl15,335 ft