Heat Advisory — Stephens, GA, Franklin, GA, Hart, GA, Elbert, GA, Gaston, NC, Mecklenburg, NC, Cabarrus, NC, Union, NC, Cherokee, SC, York, SC, Anderson, SC, Abbeville, SC, Laurens, SC, Union, SC, Chester, SC, Greenwood, SC, Greater Oconee, SC, Greater Pickens, SC, Central Greenville, SC, Southern Greenville, SC, Northern Spartanburg, SC, Southern Spartanburg, SC 7:00 PM

Chester County, South Carolina, United States

Last updated: 6:46 AM CDT  ·  Refresh
24°C
Feels like 29°
Mostly Clear
▲ 36°  /  ▼ 23°
Wind
2 mph NE
Humidity
87%
Dew Point
23°
Pressure
29.54 inHg
Visibility
9 mi
UV Index
3.3
Cloud Cover
13%
Sunrise
6:45 AM
Sunset
8:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Chester County is currently mostly clear at 24°C. Precipitation is likely — peak probability 52% around 2 PM. Atmospheric instability is elevated (CAPE up to 2303 J/kg) — isolated convective development possible. Sunrise: 6:45AM · Sunset: 8:11PM.

Alerts

Heat Advisory
Stephens, GA, Franklin, GA, Hart, GA, Elbert, GA, Gaston, NC, Mecklenburg, NC, Cabarrus, NC, Union, NC, Cherokee, SC, York, SC, Anderson, SC, Abbeville, SC, Laurens, SC, Union, SC, Chester, SC, Greenwood, SC, Greater Oconee, SC, Greater Pickens, SC, Central Greenville, SC, Southern Greenville, SC, Northern Spartanburg, SC, Southern Spartanburg, SC
Expires 7:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
26%
8 AM
26°
35%
9 AM
27°
32%
10 AM
29°
31%
11 AM
31°
43%
12 PM
32°
37%
1 PM
34°
47%
2 PM
34°
52%
3 PM
34°
42%
4 PM
33°
39%
5 PM
32°
39%
6 PM
31°
31%
7 PM
29°
22%
8 PM
28°
14%
9 PM
27°
14%
10 PM
26°
14%
11 PM
26°
5%
12 AM
26°
5%
1 AM
26°
5%
2 AM
25°
5%
3 AM
25°
5%
4 AM
24°
5%
5 AM
23°
3%
6 AM
23°
3%
7-Day Forecast
Today
36° 23°
Mostly Clear with a 47% chance of rain.
Mon
39° 23°
Mostly Clear.
Tue
38° 22°
Mostly Clear with a 57% chance of rain.
Wed
34° 21°
Partly Cloudy.
Thu
38° 22°
Rain, 71% chance.
Fri
34° 20°
Rain, 90% chance.
Sat
33° 19°
Heavy Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 26% 2 mph NE 87%
8 AM 26° Clear 35% 2 mph ENE 79%
9 AM 27° Clear 32% 2 mph E 72%
10 AM 29° Mostly Clear 31% 2 mph SSE 65%
11 AM 31° Mostly Clear 43% 2 mph SW 62%
12 PM 32° Mostly Clear 37% 2 mph WSW 58%
1 PM 34° Partly Cloudy 47% 3 mph W 54%
2 PM 34° Mostly Clear 52% 3 mph W 55%
3 PM 34° Mostly Clear 42% 3 mph SW 57%
4 PM 33° Mostly Clear 39% 4 mph SSW 59%
5 PM 32° Mostly Clear 39% 4 mph S 62%
6 PM 31° Mostly Clear 31% 4 mph S 66%
7 PM 29° Partly Cloudy 22% 4 mph SSE 72%
8 PM 28° Partly Cloudy 14% 4 mph SSE 76%
9 PM 27° Partly Cloudy 14% 4 mph SSE 79%
10 PM 26° Partly Cloudy 14% 4 mph SSE 81%
11 PM 26° Partly Cloudy 5% 4 mph S 82%
12 AM 26° Partly Cloudy 5% 4 mph S 83%
1 AM 26° Partly Cloudy 5% 4 mph S 83%
2 AM 25° Partly Cloudy 5% 4 mph SSW 84%
3 AM 25° Mostly Clear 5% 4 mph SSW 85%
4 AM 24° Clear 5% 4 mph SW 86%
5 AM 23° Clear 3% 4 mph SW 86%
6 AM 23° Clear 3% 4 mph SW 86%
15-Day Forecast
Today
8/16
Mostly Clear
47%
23°
36°
Mon
8/17
Mostly Clear
17%
23°
39°
Tue
8/18
Mostly Clear
57%
22°
38°
Wed
8/19
Partly Cloudy
15%
21°
34°
Thu
8/20
Rain
71%
22°
38°
Fri
8/21
Rain
90%
20°
34°
Sat
8/22
Heavy Rain
90%
19°
33°
Sun
8/23
Rain
69%
19°
33°
Mon
8/24
Drizzle
44%
19°
33°
Tue
8/25
Drizzle
51%
21°
34°
Wed
8/26
Drizzle
60%
21°
34°
Thu
8/27
Rain
90%
21°
34°
Fri
8/28
Drizzle
60%
21°
32°
Sat
8/29
Drizzle
60%
20°
32°
Sun
8/30
Drizzle
60%
20°
32°
44
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
44 AQI 8.1 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 44 Good 34 44
Tue 41 Good 36 41
Wed 39 Good 38 39
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 Sun Aug 16, 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
SBCAPE429 J/kg
MLCAPE630 J/kg
MUCAPE1297 J/kg
SBCIN-148 J/kg
MLCIN-82 J/kg
Lifted Index-2.2
Kinematics
0–6 km Shear9 kt
0–1 km Shear2 kt
Eff. Shear7 kt
0–1 km SRH5
0–3 km SRH7
Eff. SRH7
Storm Motion348° @ 17 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.9
Thermo & Levels
PWAT2.18 in
0–3 km LR4.6 °C/km
700–500 LR5.7 °C/km
Total Totals46.4
LCL976 hPa
LFC717 hPa
EL221 hPa
Freezing Lvl15,673 ft