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

Barnwell County, South Carolina, United States

Last updated: 7:24 AM CDT  ·  Refresh
26°C
Feels like 30°
Partly Cloudy
▲ 35°  /  ▼ 23°
Wind
3 mph W
Humidity
81%
Dew Point
23°
Pressure
29.86 inHg
Visibility
6 mi
UV Index
4.6
Cloud Cover
31%
Sunrise
6:48 AM
Sunset
8:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Barnwell County is currently partly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1765 J/kg) — isolated convective development possible. Sunrise: 6:48AM · Sunset: 8:11PM.

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
26°
11%
9 AM
27°
27%
10 AM
28°
20%
11 AM
30°
20%
12 PM
32°
20%
1 PM
33°
20%
2 PM
34°
23%
3 PM
35°
26%
4 PM
35°
29%
5 PM
34°
37%
6 PM
33°
38%
7 PM
32°
39%
8 PM
30°
39%
9 PM
29°
33%
10 PM
28°
34%
11 PM
27°
34%
12 AM
26°
35%
1 AM
26°
33%
2 AM
26°
17%
3 AM
25°
19%
4 AM
25°
20%
5 AM
24°
11%
6 AM
23°
11%
7 AM
23°
9%
7-Day Forecast
Today
35° 23°
Mostly Clear with a 39% chance of rain.
Sun
37° 23°
Mostly Cloudy with a 53% chance of rain.
Mon
40° 23°
Partly Cloudy.
Tue
38° 24°
Clear with a 40% chance of rain.
Wed
38° 22°
Drizzle, 52% chance.
Thu
39° 22°
Rain, 52% chance.
Fri
36° 23°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 11% 3 mph W 81%
9 AM 27° Mostly Clear 27% 4 mph W 71%
10 AM 28° Mostly Clear 20% 4 mph W 65%
11 AM 30° Mostly Clear 20% 4 mph WSW 60%
12 PM 32° Mostly Clear 20% 5 mph WSW 56%
1 PM 33° Mostly Clear 20% 5 mph WSW 52%
2 PM 34° Mostly Clear 23% 5 mph WSW 50%
3 PM 35° Mostly Clear 26% 5 mph W 47%
4 PM 35° Mostly Clear 29% 5 mph WNW 45%
5 PM 34° Partly Cloudy 37% 4 mph WNW 46%
6 PM 33° Partly Cloudy 38% 3 mph WNW 51%
7 PM 32° Partly Cloudy 39% 4 mph NW 56%
8 PM 30° Mostly Cloudy 39% 4 mph NW 62%
9 PM 29° Mostly Cloudy 33% 3 mph SSW 66%
10 PM 28° Mostly Cloudy 34% 3 mph S 69%
11 PM 27° Mostly Cloudy 34% 4 mph S 72%
12 AM 26° Mostly Cloudy 35% 4 mph SSW 76%
1 AM 26° Overcast 33% 4 mph SW 80%
2 AM 26° Overcast 17% 4 mph SW 84%
3 AM 25° Overcast 19% 4 mph SW 85%
4 AM 25° Overcast 20% 3 mph WSW 87%
5 AM 24° Overcast 11% 3 mph WSW 87%
6 AM 23° Overcast 11% 3 mph WSW 87%
7 AM 23° Overcast 9% 3 mph WSW 86%
15-Day Forecast
Today
8/15
Mostly Clear
39%
23°
35°
Sun
8/16
Mostly Cloudy
53%
23°
37°
Mon
8/17
Partly Cloudy
15%
23°
40°
Tue
8/18
Clear
40%
24°
38°
Wed
8/19
Drizzle
52%
22°
38°
Thu
8/20
Rain
52%
22°
39°
Fri
8/21
Drizzle
53%
23°
36°
Sat
8/22
Rain
73%
21°
36°
Sun
8/23
Rain
73%
20°
34°
Mon
8/24
Drizzle
72%
19°
33°
Tue
8/25
Drizzle
66%
21°
35°
Wed
8/26
Drizzle
60%
24°
34°
Thu
8/27
Drizzle
60%
23°
34°
Fri
8/28
Drizzle
60%
23°
34°
Sat
8/29
Drizzle
60%
23°
33°
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 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 39 Good 36 39
Mon 44 Good 35 44
Tue 52 Moderate 41 52
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
SBCAPE470 J/kg
MLCAPE105 J/kg
MUCAPE470 J/kg
SBCIN-194 J/kg
MLCIN-210 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear9 kt
0–1 km Shear3 kt
Eff. Shear9 kt
0–1 km SRH-10
0–3 km SRH4
Eff. SRH4
Storm Motion241° @ 18 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.8
Thermo & Levels
PWAT2.17 in
0–3 km LR5.1 °C/km
700–500 LR5.3 °C/km
Total Totals44.5
LCL969 hPa
LFC760 hPa
EL220 hPa
Freezing Lvl15,988 ft