Heat Advisory — 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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN 8:00 PM Extreme Heat Warning — 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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN 8:00 PM

Chester County, West Tennessee, Tennessee, United States

Last updated: 12:35 AM CDT  ·  Refresh
27°C
Feels like 31°
Mostly Clear
▲ 36°  /  ▼ 24°
Wind
4 mph S
Humidity
91%
Dew Point
26°
Pressure
29.42 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
29%
Sunrise
5:59 AM
Sunset
8:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Chester County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3470 J/kg) — isolated convective development possible. Sunrise: 5:59AM · Sunset: 8:02PM.

Alerts

Heat Advisory
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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 8:00 PM
Extreme Heat Warning
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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 8:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
16%
1 AM
27°
37%
2 AM
26°
42%
3 AM
26°
41%
4 AM
26°
40%
5 AM
24°
27%
6 AM
25°
30%
7 AM
26°
37%
8 AM
27°
25%
9 AM
29°
26%
10 AM
31°
18%
11 AM
32°
18%
12 PM
33°
10%
1 PM
35°
5%
2 PM
35°
5%
3 PM
35°
5%
4 PM
34°
5%
5 PM
34°
5%
6 PM
34°
5%
7 PM
34°
5%
8 PM
33°
5%
9 PM
29°
5%
10 PM
29°
5%
11 PM
28°
3%
7-Day Forecast
Today
36° 24°
Mostly Clear with a 41% chance of rain.
Tue
38° 24°
Mostly Clear with a 41% chance of rain.
Wed
33° 20°
Mostly Cloudy with a 57% chance of rain.
Thu
31° 18°
Clear with a 33% chance of rain.
Fri
29° 19°
Rain, 30% chance.
Sat
30° 19°
Rain, 82% chance.
Sun
28° 19°
Rain, 41% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 16% 4 mph S 91%
1 AM 27° Partly Cloudy 37% 4 mph S 91%
2 AM 26° Partly Cloudy 42% 3 mph S 91%
3 AM 26° Partly Cloudy 41% 4 mph SSW 92%
4 AM 26° Mostly Cloudy 40% 3 mph SSW 92%
5 AM 24° Mostly Cloudy 27% 3 mph SSW 92%
6 AM 25° Mostly Cloudy 30% 3 mph SSW 93%
7 AM 26° Mostly Cloudy 37% 4 mph SSW 90%
8 AM 27° Partly Cloudy 25% 4 mph SW 84%
9 AM 29° Mostly Clear 26% 6 mph WSW 78%
10 AM 31° Mostly Clear 18% 6 mph WSW 72%
11 AM 32° Mostly Clear 18% 6 mph W 67%
12 PM 33° Mostly Clear 10% 7 mph W 61%
1 PM 35° Mostly Clear 5% 6 mph W 59%
2 PM 35° Mostly Clear 5% 6 mph W 59%
3 PM 35° Mostly Clear 5% 7 mph WSW 60%
4 PM 34° Mostly Clear 5% 7 mph WSW 63%
5 PM 34° Mostly Clear 5% 6 mph WSW 68%
6 PM 34° Clear 5% 5 mph WSW 74%
7 PM 34° Clear 5% 5 mph SW 79%
8 PM 33° Mostly Clear 5% 4 mph SW 81%
9 PM 29° Mostly Clear 5% 5 mph SSW 83%
10 PM 29° Mostly Clear 5% 5 mph SSW 85%
11 PM 28° Mostly Clear 3% 5 mph SSW 86%
15-Day Forecast
Today
7/27
Mostly Clear
41%
24°
36°
Tue
7/28
Mostly Clear
41%
24°
38°
Wed
7/29
Mostly Cloudy
57%
20°
33°
Thu
7/30
Clear
33%
18°
31°
Fri
7/31
Rain
30%
19°
29°
Sat
8/1
Rain
82%
19°
30°
Sun
8/2
Rain
41%
19°
28°
Mon
8/3
Rain
69%
19°
31°
Tue
8/4
Rain
68%
21°
33°
Wed
8/5
Clear
44%
22°
33°
Thu
8/6
Thunderstorm
60%
22°
32°
Fri
8/7
Drizzle
60%
21°
32°
Sat
8/8
Drizzle
60%
21°
32°
Sun
8/9
Drizzle
60%
22°
32°
Mon
8/10
Drizzle
60%
22°
33°
55
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
55 AQI 11.6 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 33 55
Tue 59 Moderate 33 59
Wed 51 Moderate 36 51
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 Mon Jul 27, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3176 J/kg
MLCAPE3461 J/kg
MUCAPE4527 J/kg
SBCIN-165 J/kg
MLCIN0 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear28 kt
0–1 km Shear15 kt
Eff. Shear36 kt
0–1 km SRH9
0–3 km SRH36
Eff. SRH36
Storm Motion279° @ 19 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.2
STP (eff)0.2
Supercell3.0
K-Index29.2
Thermo & Levels
PWAT1.87 in
0–3 km LR4.9 °C/km
700–500 LR6.3 °C/km
Total Totals42.6
LCL976 hPa
LFC756 hPa
EL143 hPa
Freezing Lvl15,961 ft