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, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tunica, MS, Tate, MS, Prentiss, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Tallahatchie, 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

Decatur County, West Tennessee, Tennessee, United States

Last updated: 2:52 AM CDT  ·  Refresh
24°C
Feels like 27°
Clear
▲ 37°  /  ▼ 23°
Wind
2 mph SSE
Humidity
78%
Dew Point
21°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:25 AM
Sunset
7:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Decatur County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1055 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 7:18PM.

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, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tunica, MS, Tate, MS, Prentiss, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Tallahatchie, 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
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
11%
3 AM
23°
3%
4 AM
23°
3%
5 AM
21°
3%
6 AM
21°
3%
7 AM
23°
3%
8 AM
27°
3%
9 AM
31°
3%
10 AM
33°
3%
11 AM
34°
3%
12 PM
35°
3%
1 PM
37°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
28°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
27°
3%
1 AM
27°
3%
7-Day Forecast
Today
37° 23°
Mostly Clear.
Thu
40° 23°
Mostly Clear.
Fri
41° 22°
Partly Cloudy with a 29% chance of rain.
Sat
37° 21°
Rain, 60% chance.
Sun
39° 19°
Clear.
Mon
39° 19°
Clear.
Tue
37° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 11% 2 mph SSE 78%
3 AM 23° Clear 3% 2 mph SSE 78%
4 AM 23° Clear 3% 3 mph SE 79%
5 AM 21° Clear 3% 3 mph SE 80%
6 AM 21° Clear 3% 3 mph SSE 81%
7 AM 23° Clear 3% 2 mph S 74%
8 AM 27° Clear 3% 3 mph SSW 61%
9 AM 31° Clear 3% 4 mph SSW 51%
10 AM 33° Clear 3% 4 mph SSW 46%
11 AM 34° Mostly Clear 3% 3 mph SSW 41%
12 PM 35° Mostly Clear 3% 3 mph S 37%
1 PM 37° Mostly Clear 3% 3 mph S 36%
2 PM 37° Mostly Clear 3% 3 mph S 36%
3 PM 37° Mostly Clear 3% 4 mph S 35%
4 PM 36° Mostly Clear 3% 4 mph S 38%
5 PM 36° Clear 3% 4 mph S 42%
6 PM 34° Clear 3% 4 mph SSE 46%
7 PM 33° Clear 3% 5 mph SSE 49%
8 PM 32° Clear 3% 5 mph SSE 53%
9 PM 28° Clear 3% 4 mph SSE 56%
10 PM 28° Clear 3% 4 mph SSE 58%
11 PM 27° Clear 3% 4 mph SSE 60%
12 AM 27° Clear 3% 4 mph SSE 61%
1 AM 27° Clear 3% 4 mph S 63%
15-Day Forecast
Today
9/2
Mostly Clear
11%
23°
37°
Thu
9/3
Mostly Clear
6%
23°
40°
Fri
9/4
Partly Cloudy
29%
22°
41°
Sat
9/5
Rain
60%
21°
37°
Sun
9/6
Clear
16%
19°
39°
Mon
9/7
Clear
17%
19°
39°
Tue
9/8
Clear
17%
19°
37°
Wed
9/9
Drizzle
42%
20°
38°
Thu
9/10
Rain
68%
21°
38°
Fri
9/11
Drizzle
68%
19°
37°
Sat
9/12
Drizzle
60%
19°
35°
Sun
9/13
Drizzle
60%
19°
35°
Mon
9/14
Drizzle
60%
19°
35°
Tue
9/15
Drizzle
60%
19°
35°
Wed
9/16
Drizzle
60%
19°
34°
41
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 36 41
Thu 54 Moderate 47 54
Fri 57 Moderate 48 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 Wed Sep 2, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE14 J/kg
MLCAPE66 J/kg
MUCAPE371 J/kg
SBCIN-633 J/kg
MLCIN-419 J/kg
Lifted Index0.2
Kinematics
0–6 km Shear5 kt
0–1 km Shear6 kt
Eff. Shear6 kt
0–1 km SRH18
0–3 km SRH27
Eff. SRH17
Storm Motion184° @ 19 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.8
Thermo & Levels
PWAT1.58 in
0–3 km LR3.7 °C/km
700–500 LR6.5 °C/km
Total Totals46.3
LCL959 hPa
LFC572 hPa
EL273 hPa
Freezing Lvl15,669 ft