Heat Advisory — Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Lake, TN, Obion, TN, Weakley, TN, Henry, TN, Dyer, TN, Gibson, TN, Carroll, TN, Benton, TN, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN 7:00 p. m.

Chester County, West Tennessee, Tennessee, United States

Last updated: 3:49 p. m. CDT  ·  Refresh
34°C
Feels like 38°
Mostly Clear
▲ 34°  /  ▼ 22°
Wind
3 mph WNW
Humidity
44%
Dew Point
21°
Pressure
29,48 inHg
Visibility
10 mi
UV Index
7,1
Cloud Cover
13%
Sunrise
6:35 a. m.
Sunset
7:04 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Chester County is currently mostly clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1580 J/kg) — isolated convective development possible. Sunrise: 6:35A. M. · Sunset: 7:04P. M..

Alerts

Heat Advisory
Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Lake, TN, Obion, TN, Weakley, TN, Henry, TN, Dyer, TN, Gibson, TN, Carroll, TN, Benton, TN, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 7:00 p. m.
43 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
4 p. m.
34°
18%
5 p. m.
34°
18%
6 p. m.
32°
18%
7 p. m.
31°
18%
8 p. m.
30°
18%
9 p. m.
27°
18%
10 p. m.
26°
22%
11 p. m.
25°
17%
12 a. m.
24°
12%
1 a. m.
24°
21%
2 a. m.
23°
14%
3 a. m.
23°
19%
4 a. m.
23°
19%
5 a. m.
22°
19%
6 a. m.
22°
20%
7 a. m.
23°
20%
8 a. m.
24°
15%
9 a. m.
24°
9%
10 a. m.
27°
7%
11 a. m.
27°
7%
12 p. m.
28°
7%
1 p. m.
31°
7%
2 p. m.
32°
7%
7-Day Forecast
Today
34° 22°
Mostly Clear.
Mon
35° 22°
Mostly Clear with a 20% chance of rain.
Tue
39° 22°
Clear.
Wed
37° 23°
Mostly Clear.
Thu
38° 23°
Clear.
Fri
38° 22°
Drizzle, 60% chance.
Sat
37° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 3% 3 mph WNW 44%
4 p. m. 34° Mostly Clear 18% 5 mph NW 49%
5 p. m. 34° Mostly Clear 18% 5 mph NW 56%
6 p. m. 32° Mostly Clear 18% 4 mph N 64%
7 p. m. 31° Mostly Clear 18% 3 mph N 66%
8 p. m. 30° Partly Cloudy 18% 3 mph N 69%
9 p. m. 27° Partly Cloudy 18% 3 mph W 72%
10 p. m. 26° Partly Cloudy 22% 2 mph WNW 76%
11 p. m. 25° Partly Cloudy 17% 2 mph WNW 79%
12 a. m. 24° Partly Cloudy 12% 3 mph N 83%
1 a. m. 24° Partly Cloudy 21% 3 mph NNE 85%
2 a. m. 23° Partly Cloudy 14% 4 mph NNE 87%
3 a. m. 23° Partly Cloudy 19% 4 mph NE 89%
4 a. m. 23° Partly Cloudy 19% 4 mph NE 89%
5 a. m. 22° Mostly Clear 19% 3 mph NE 90%
6 a. m. 22° Rain 20% 3 mph NE 91%
7 a. m. 23° Mostly Clear 20% 3 mph ENE 86%
8 a. m. 24° Mostly Clear 15% 4 mph ENE 79%
9 a. m. 24° Partly Cloudy 9% 4 mph ENE 74%
10 a. m. 27° Partly Cloudy 7% 4 mph ENE 71%
11 a. m. 27° Partly Cloudy 7% 4 mph ENE 69%
12 p. m. 28° Partly Cloudy 7% 4 mph ENE 67%
1 p. m. 31° Partly Cloudy 7% 5 mph ENE 63%
2 p. m. 32° Mostly Clear 7% 5 mph ENE 59%
15-Day Forecast
Today
9/13
Mostly Clear
18%
22°
34°
Mon
9/14
Mostly Clear
20%
22°
35°
Tue
9/15
Clear
3%
22°
39°
Wed
9/16
Mostly Clear
3%
23°
37°
Thu
9/17
Clear
9%
23°
38°
Fri
9/18
Drizzle
60%
22°
38°
Sat
9/19
Clear
19%
22°
37°
Sun
9/20
Drizzle
60%
20°
34°
Mon
9/21
Drizzle
60%
19°
33°
Tue
9/22
Drizzle
60%
14°
31°
Wed
9/23
Drizzle
60%
10°
29°
Thu
9/24
Drizzle
60%
17°
30°
Fri
9/25
Drizzle
60%
17°
30°
Sat
9/26
Clear
25%
17°
30°
Sun
9/27
Drizzle
60%
16°
31°
43
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
42 AQI 7.6 µg/m³
O3
Ground-level ozone
Dominant
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 43 Good 43 42
Tue 43 Good 39 43
Wed 57 Moderate 46 57
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 dom. sept. 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1974 J/kg
MLCAPE1039 J/kg
MUCAPE1974 J/kg
SBCIN-1 J/kg
MLCIN-14 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear10 kt
0–1 km Shear3 kt
Eff. Shear10 kt
0–1 km SRH11
0–3 km SRH42
Eff. SRH42
Storm Motion10° @ 16 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.9
Thermo & Levels
PWAT1.75 in
0–3 km LR8.5 °C/km
700–500 LR5.3 °C/km
Total Totals47.3
LCL817 hPa
LFC817 hPa
EL147 hPa
Freezing Lvl15,719 ft