Heat Advisory — Lake, TN, Obion, TN, Weakley, TN, Henry, TN, Dyer, TN, Gibson, TN, Carroll, TN, Benton, TN, Lauderdale, TN, Tipton, TN, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Shelby, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tate, MS, Prentiss, MS, Panola, MS, Tallahatchie, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS 8:00 PM

Chester County, West Tennessee, Tennessee, United States

Last updated: 3:07 PM CDT  ·  Refresh
33°C
Feels like 38°
Mostly Clear
▲ 33°  /  ▼ 20°
Wind
1 mph W
Humidity
56%
Dew Point
23°
Pressure
29.50 inHg
Visibility
10 mi
UV Index
8.8
Cloud Cover
25%
Sunrise
5:44 AM
Sunset
8:13 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Chester County is currently mostly clear at 33°C. Precipitation is likely — peak probability 74% around 3 PM. Atmospheric instability is elevated (CAPE up to 2200 J/kg) — isolated convective development possible. Sunrise: 5:44AM · Sunset: 8:13PM.

Alerts

Heat Advisory
Lake, TN, Obion, TN, Weakley, TN, Henry, TN, Dyer, TN, Gibson, TN, Carroll, TN, Benton, TN, Lauderdale, TN, Tipton, TN, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Shelby, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tate, MS, Prentiss, MS, Panola, MS, Tallahatchie, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS
Expires 8:00 PM
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
45%
4 PM
33°
31%
5 PM
32°
36%
6 PM
29°
41%
7 PM
28°
44%
8 PM
27°
27%
9 PM
26°
27%
10 PM
24°
28%
11 PM
24°
36%
12 AM
24°
36%
1 AM
22°
41%
2 AM
22°
37%
3 AM
21°
38%
4 AM
21°
42%
5 AM
20°
32%
6 AM
20°
33%
7 AM
21°
46%
8 AM
21°
46%
9 AM
24°
55%
10 AM
26°
52%
11 AM
27°
61%
12 PM
28°
64%
1 PM
29°
65%
2 PM
30°
72%
7-Day Forecast
Today
33° 20°
Partly Cloudy with a 45% chance of rain.
Sun
34° 20°
Partly Cloudy with a 74% chance of rain.
Mon
31° 18°
Partly Cloudy with a 65% chance of rain.
Tue
31° 18°
Partly Cloudy with a 21% chance of rain.
Wed
32° 19°
Drizzle, 51% chance.
Thu
33° 21°
Rain, 82% chance.
Fri
32° 19°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 45% 1 mph W 56%
4 PM 33° Mostly Clear 31% 2 mph NW 56%
5 PM 32° Mostly Clear 36% 2 mph SW 62%
6 PM 29° Rain 41% 7 mph SSW 68%
7 PM 28° Mostly Cloudy 44% 5 mph SSW 77%
8 PM 27° Mostly Cloudy 27% 3 mph SW 80%
9 PM 26° Mostly Cloudy 27% 4 mph SSW 82%
10 PM 24° Mostly Cloudy 28% 3 mph SW 84%
11 PM 24° Mostly Cloudy 36% 3 mph SW 86%
12 AM 24° Mostly Cloudy 36% 3 mph W 88%
1 AM 22° Mostly Cloudy 41% 4 mph WNW 89%
2 AM 22° Mostly Cloudy 37% 3 mph WNW 91%
3 AM 21° Partly Cloudy 38% 4 mph NW 93%
4 AM 21° Partly Cloudy 42% 3 mph WNW 94%
5 AM 20° Mostly Cloudy 32% 3 mph SW 94%
6 AM 20° Partly Cloudy 33% 2 mph SW 93%
7 AM 21° Partly Cloudy 46% 2 mph SW 92%
8 AM 21° Partly Cloudy 46% 3 mph WSW 88%
9 AM 24° Partly Cloudy 55% 3 mph WSW 83%
10 AM 26° Partly Cloudy 52% 4 mph WSW 79%
11 AM 27° Partly Cloudy 61% 5 mph W 76%
12 PM 28° Partly Cloudy 64% 5 mph W 73%
1 PM 29° Partly Cloudy 65% 6 mph W 71%
2 PM 30° Mostly Cloudy 72% 5 mph W 72%
15-Day Forecast
Today
7/4
Partly Cloudy
45%
20°
33°
Sun
7/5
Partly Cloudy
74%
20°
34°
Mon
7/6
Partly Cloudy
65%
18°
31°
Tue
7/7
Partly Cloudy
21%
18°
31°
Wed
7/8
Drizzle
51%
19°
32°
Thu
7/9
Rain
82%
21°
33°
Fri
7/10
Rain
71%
19°
32°
Sat
7/11
Rain
69%
22°
32°
Sun
7/12
Rain
68%
18°
31°
Mon
7/13
Drizzle
51%
17°
29°
Tue
7/14
Drizzle
60%
13°
29°
Wed
7/15
Drizzle
60%
19°
30°
Thu
7/16
Drizzle
60%
20°
30°
Fri
7/17
Drizzle
60%
20°
29°
Sat
7/18
Drizzle
60%
20°
30°
57
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
57 AQI 12.2 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 57 Moderate 37 57
Mon 54 Moderate 31 54
Tue 47 Good 31 47
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 Jul 4, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3436 J/kg
MLCAPE2250 J/kg
MUCAPE3436 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.2
Kinematics
0–6 km Shear11 kt
0–1 km Shear3 kt
Eff. Shear7 kt
0–1 km SRH-2
0–3 km SRH-23
Eff. SRH-23
Storm Motion197° @ 18 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.0
Thermo & Levels
PWAT1.87 in
0–3 km LR8.0 °C/km
700–500 LR5.5 °C/km
Total Totals46.6
LCL868 hPa
LFC999 hPa
EL140 hPa
Freezing Lvl15,043 ft