Heat Advisory — Clay, AR, Greene, AR, Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, Dunklin, MO, Pemiscot, MO, DeSoto, MS, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Tallahatchie, 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 8:00 PM

Decatur County, West Tennessee, Tennessee, United States

Last updated: 5:10 AM CDT  ·  Refresh
23°C
Feels like 27°
Clear
▲ 34°  /  ▼ 23°
Wind
3 mph S
Humidity
89%
Dew Point
22°
Pressure
29.59 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:08 AM
Sunset
7:46 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Decatur County is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2708 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 7:46PM.

Alerts

Heat Advisory
Clay, AR, Greene, AR, Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, Dunklin, MO, Pemiscot, MO, DeSoto, MS, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Tallahatchie, 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
Expires 8:00 PM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
11%
6 AM
22°
21%
7 AM
23°
21%
8 AM
25°
21%
9 AM
28°
21%
10 AM
29°
20%
11 AM
31°
18%
12 PM
32°
18%
1 PM
33°
14%
2 PM
33°
16%
3 PM
33°
21%
4 PM
33°
19%
5 PM
33°
12%
6 PM
32°
12%
7 PM
31°
12%
8 PM
30°
14%
9 PM
28°
14%
10 PM
28°
15%
11 PM
27°
9%
12 AM
27°
10%
1 AM
27°
8%
2 AM
26°
9%
3 AM
26°
9%
4 AM
24°
20%
7-Day Forecast
Today
34° 23°
Clear with a 21% chance of rain.
Wed
36° 23°
Partly Cloudy with a 20% chance of rain.
Thu
37° 24°
Mostly Cloudy.
Fri
36° 24°
Clear.
Sat
37° 24°
Clear.
Sun
38° 24°
Clear.
Mon
37° 23°
Partly Cloudy with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 11% 3 mph S 89%
6 AM 22° Clear 21% 4 mph SSW 89%
7 AM 23° Clear 21% 4 mph SSW 88%
8 AM 25° Clear 21% 6 mph SW 81%
9 AM 28° Clear 21% 7 mph SW 75%
10 AM 29° Clear 20% 7 mph SW 68%
11 AM 31° Clear 18% 7 mph SW 64%
12 PM 32° Clear 18% 8 mph SW 59%
1 PM 33° Clear 14% 8 mph SW 55%
2 PM 33° Mostly Clear 16% 8 mph SW 55%
3 PM 33° Mostly Clear 21% 8 mph SW 56%
4 PM 33° Mostly Clear 19% 8 mph SW 56%
5 PM 33° Mostly Clear 12% 8 mph SW 59%
6 PM 32° Mostly Clear 12% 7 mph SSW 62%
7 PM 31° Mostly Clear 12% 6 mph SSW 66%
8 PM 30° Mostly Clear 14% 6 mph SSW 70%
9 PM 28° Mostly Clear 14% 6 mph SSW 73%
10 PM 28° Partly Cloudy 15% 6 mph SSW 76%
11 PM 27° Partly Cloudy 9% 6 mph SSW 76%
12 AM 27° Partly Cloudy 10% 6 mph SSW 77%
1 AM 27° Partly Cloudy 8% 7 mph SSW 78%
2 AM 26° Partly Cloudy 9% 6 mph SSW 78%
3 AM 26° Partly Cloudy 9% 6 mph SSW 79%
4 AM 24° Partly Cloudy 20% 6 mph SSW 80%
15-Day Forecast
Today
8/11
Clear
21%
23°
34°
Wed
8/12
Partly Cloudy
20%
23°
36°
Thu
8/13
Mostly Cloudy
19%
24°
37°
Fri
8/14
Clear
7%
24°
36°
Sat
8/15
Clear
7%
24°
37°
Sun
8/16
Clear
7%
24°
38°
Mon
8/17
Partly Cloudy
21%
23°
37°
Tue
8/18
Rain
53%
22°
35°
Wed
8/19
Clear
34%
22°
36°
Thu
8/20
Clear
35%
22°
34°
Fri
8/21
Clear
60%
22°
34°
Sat
8/22
Drizzle
60%
22°
34°
Sun
8/23
Drizzle
60%
22°
33°
Mon
8/24
Drizzle
60%
22°
33°
Tue
8/25
Drizzle
60%
21°
32°
31
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
26 AQI 4.7 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 26
Wed 30 Good 30 21
Thu 36 Good 36 27
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 Tue Aug 11, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE590 J/kg
MLCAPE733 J/kg
MUCAPE959 J/kg
SBCIN-360 J/kg
MLCIN0 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear6 kt
0–1 km Shear15 kt
Eff. Shear10 kt
0–1 km SRH71
0–3 km SRH60
Eff. SRH11
Storm Motion344° @ 11 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.1
Thermo & Levels
PWAT1.55 in
0–3 km LR4.4 °C/km
700–500 LR6.4 °C/km
Total Totals47.1
LCL983 hPa
LFC644 hPa
EL242 hPa
Freezing Lvl15,335 ft