Extreme Heat Warning — DeSoto, MS, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tate, MS, Prentiss, MS, Panola, 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, 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 8:00 PM

Chester County, West Tennessee, Tennessee, United States

Last updated: 6:21 AM CDT  ·  Refresh
24°C
Feels like 27°
Clear
▲ 36°  /  ▼ 23°
Wind
4 mph SSW
Humidity
80%
Dew Point
21°
Pressure
29.63 inHg
Visibility
9 mi
UV Index
0.7
Cloud Cover
2%
Sunrise
6:13 AM
Sunset
7:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Chester County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 582 J/kg) — isolated convective development possible. Sunrise: 6:13AM · Sunset: 7:43PM.

Alerts

Extreme Heat Warning
DeSoto, MS, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tate, MS, Prentiss, MS, Panola, 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, 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
Expires 8:00 PM
45 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
11%
7 AM
23°
21%
8 AM
26°
21%
9 AM
29°
14%
10 AM
31°
14%
11 AM
33°
14%
12 PM
34°
7%
1 PM
36°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
24°
3%
7-Day Forecast
Today
36° 23°
Clear.
Sun
39° 24°
Mostly Clear.
Mon
38° 23°
Mostly Clear with a 23% chance of rain.
Tue
34° 20°
Clear.
Wed
40° 22°
Drizzle, 56% chance.
Thu
37° 22°
Rain, 80% chance.
Fri
34° 20°
Partly Cloudy with a 43% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 11% 4 mph SSW 80%
7 AM 23° Clear 21% 5 mph SSW 73%
8 AM 26° Clear 21% 6 mph SW 65%
9 AM 29° Clear 14% 7 mph WSW 57%
10 AM 31° Clear 14% 8 mph WSW 51%
11 AM 33° Clear 14% 8 mph W 47%
12 PM 34° Clear 7% 8 mph W 43%
1 PM 36° Clear 3% 8 mph W 40%
2 PM 36° Clear 3% 7 mph W 38%
3 PM 36° Clear 3% 7 mph WSW 37%
4 PM 36° Clear 3% 6 mph WSW 38%
5 PM 36° Clear 3% 5 mph WSW 41%
6 PM 34° Clear 3% 4 mph WSW 45%
7 PM 33° Clear 3% 3 mph WSW 49%
8 PM 32° Clear 3% 3 mph SW 51%
9 PM 29° Mostly Clear 3% 4 mph S 53%
10 PM 28° Mostly Clear 3% 4 mph S 55%
11 PM 28° Mostly Clear 3% 5 mph S 57%
12 AM 27° Mostly Clear 3% 5 mph S 58%
1 AM 26° Partly Cloudy 3% 5 mph S 59%
2 AM 26° Partly Cloudy 3% 5 mph S 60%
3 AM 26° Partly Cloudy 3% 5 mph SSW 60%
4 AM 25° Partly Cloudy 3% 5 mph SSW 62%
5 AM 24° Partly Cloudy 3% 5 mph SSW 64%
15-Day Forecast
Today
8/15
Clear
14%
23°
36°
Sun
8/16
Mostly Clear
6%
24°
39°
Mon
8/17
Mostly Clear
23%
23°
38°
Tue
8/18
Clear
15%
20°
34°
Wed
8/19
Drizzle
56%
22°
40°
Thu
8/20
Rain
80%
22°
37°
Fri
8/21
Partly Cloudy
43%
20°
34°
Sat
8/22
Rain
58%
20°
35°
Sun
8/23
Clear
34%
19°
35°
Mon
8/24
Clear
35%
20°
33°
Tue
8/25
Drizzle
60%
23°
36°
Wed
8/26
Drizzle
60%
22°
36°
Thu
8/27
Drizzle
60%
22°
35°
Fri
8/28
Drizzle
60%
21°
34°
Sat
8/29
Drizzle
60%
21°
34°
45
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
45 AQI 8.1 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 45 Good 37 45
Sun 53 Moderate 34 53
Mon 48 Good 35 48
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sat Aug 15, 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
SBCAPE0 J/kg
MLCAPE28 J/kg
MUCAPE331 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index0.8
Kinematics
0–6 km Shear7 kt
0–1 km Shear12 kt
Eff. Shear—
0–1 km SRH60
0–3 km SRH34
Eff. SRH—
Storm Motion339° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index23.5
Thermo & Levels
PWAT1.46 in
0–3 km LR4.2 °C/km
700–500 LR5.7 °C/km
Total Totals44.5
LCL958 hPa
LFC—
EL—
Freezing Lvl16,683 ft