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: 7:24 AM CDT  ·  Refresh
26°C
Feels like 29°
Partly Cloudy
▲ 37°  /  ▼ 23°
Wind
3 mph W
Humidity
85%
Dew Point
23°
Pressure
29.64 inHg
Visibility
9 mi
UV Index
4.4
Cloud Cover
36%
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 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1670 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
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
12%
9 AM
26°
23%
10 AM
29°
15%
11 AM
31°
14%
12 PM
33°
14%
1 PM
34°
14%
2 PM
36°
19%
3 PM
36°
22%
4 PM
36°
25%
5 PM
35°
36%
6 PM
33°
49%
7 PM
32°
37%
8 PM
31°
25%
9 PM
29°
32%
10 PM
26°
23%
11 PM
26°
23%
12 AM
25°
21%
1 AM
24°
21%
2 AM
24°
17%
3 AM
24°
23%
4 AM
24°
20%
5 AM
24°
11%
6 AM
23°
11%
7 AM
23°
9%
7-Day Forecast
Today
37° 23°
Drizzle, 36% chance.
Sun
39° 23°
Partly Cloudy with a 39% chance of rain.
Mon
42° 23°
Mostly Clear.
Tue
39° 24°
Mostly Clear.
Wed
39° 22°
Overcast with a 25% chance of rain.
Thu
41° 23°
Rain, 63% chance.
Fri
38° 22°
Drizzle, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 12% 3 mph W 85%
9 AM 26° Partly Cloudy 23% 3 mph WNW 74%
10 AM 29° Partly Cloudy 15% 3 mph WNW 66%
11 AM 31° Partly Cloudy 14% 2 mph W 60%
12 PM 33° Partly Cloudy 14% 3 mph W 55%
1 PM 34° Mostly Clear 14% 3 mph WSW 50%
2 PM 36° Mostly Clear 19% 3 mph W 47%
3 PM 36° Mostly Clear 22% 3 mph W 45%
4 PM 36° Mostly Clear 25% 3 mph NW 43%
5 PM 35° Drizzle 36% 4 mph NNE 44%
6 PM 33° Partly Cloudy 49% 3 mph E 48%
7 PM 32° Partly Cloudy 37% 3 mph ESE 54%
8 PM 31° Partly Cloudy 25% 4 mph ESE 61%
9 PM 29° Mostly Cloudy 32% 3 mph E 67%
10 PM 26° Mostly Cloudy 23% 3 mph SE 72%
11 PM 26° Mostly Cloudy 23% 3 mph SSE 76%
12 AM 25° Mostly Cloudy 21% 3 mph S 80%
1 AM 24° Mostly Cloudy 21% 3 mph S 83%
2 AM 24° Mostly Cloudy 17% 3 mph SW 86%
3 AM 24° Mostly Cloudy 23% 3 mph W 87%
4 AM 24° Partly Cloudy 20% 3 mph W 88%
5 AM 24° Partly Cloudy 11% 3 mph W 89%
6 AM 23° Partly Cloudy 11% 3 mph W 88%
7 AM 23° Partly Cloudy 9% 3 mph W 88%
15-Day Forecast
Today
8/15
Drizzle
36%
23°
37°
Sun
8/16
Partly Cloudy
39%
23°
39°
Mon
8/17
Mostly Clear
13%
23°
42°
Tue
8/18
Mostly Clear
15%
24°
39°
Wed
8/19
Overcast
25%
22°
39°
Thu
8/20
Rain
63%
23°
41°
Fri
8/21
Drizzle
90%
22°
38°
Sat
8/22
Rain
83%
21°
36°
Sun
8/23
Rain
83%
21°
35°
Mon
8/24
Drizzle
64%
20°
34°
Tue
8/25
Drizzle
66%
21°
36°
Wed
8/26
Drizzle
60%
22°
35°
Thu
8/27
Drizzle
90%
22°
34°
Fri
8/28
Drizzle
60%
22°
34°
Sat
8/29
Drizzle
60%
22°
34°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 48 Good 37 48
Mon 47 Good 36 47
Tue 50 Good 36 50
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, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE634 J/kg
MLCAPE117 J/kg
MUCAPE634 J/kg
SBCIN-192 J/kg
MLCIN-249 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear10 kt
0–1 km Shear4 kt
Eff. Shear10 kt
0–1 km SRH-9
0–3 km SRH-3
Eff. SRH-3
Storm Motion257° @ 15 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.3
Thermo & Levels
PWAT2.03 in
0–3 km LR5.0 °C/km
700–500 LR5.6 °C/km
Total Totals44.3
LCL970 hPa
LFC758 hPa
EL202 hPa
Freezing Lvl15,394 ft