Heat Advisory — 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, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tate, MS, Prentiss, MS, Panola, MS, Tallahatchie, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS 8:00 PM

Decatur County, West Tennessee, Tennessee, United States

Last updated: 4:10 PM CDT  ·  Refresh
33°C
Feels like 38°
Mostly Clear
▲ 33°  /  ▼ 20°
Wind
3 mph W
Humidity
56%
Dew Point
23°
Pressure
29.49 inHg
Visibility
10 mi
UV Index
7.8
Cloud Cover
22%
Sunrise
5:41 AM
Sunset
8:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Decatur County is currently mostly clear at 33°C. Precipitation is likely — peak probability 75% around 4 PM. Atmospheric instability is elevated (CAPE up to 2393 J/kg) — isolated convective development possible. Sunrise: 5:41AM · Sunset: 8:11PM.

Alerts

Heat Advisory
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, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tate, MS, Prentiss, MS, Panola, MS, Tallahatchie, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS
Expires 8:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
16%
5 PM
33°
15%
6 PM
32°
15%
7 PM
31°
15%
8 PM
29°
20%
9 PM
26°
20%
10 PM
25°
12%
11 PM
24°
20%
12 AM
24°
23%
1 AM
23°
28%
2 AM
22°
28%
3 AM
22°
24%
4 AM
22°
33%
5 AM
21°
22%
6 AM
21°
28%
7 AM
21°
27%
8 AM
22°
28%
9 AM
26°
34%
10 AM
27°
28%
11 AM
28°
33%
12 PM
29°
33%
1 PM
30°
43%
2 PM
31°
48%
3 PM
31°
53%
7-Day Forecast
Today
33° 20°
Partly Cloudy.
Sun
34° 21°
Rain, 75% chance.
Mon
31° 18°
Mostly Cloudy with a 36% chance of rain.
Tue
32° 19°
Mostly Clear with a 28% chance of rain.
Wed
32° 20°
Drizzle, 42% chance.
Thu
33° 22°
Rain, 82% chance.
Fri
32° 20°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 16% 3 mph W 56%
5 PM 33° Mostly Clear 15% 4 mph W 61%
6 PM 32° Partly Cloudy 15% 4 mph W 66%
7 PM 31° Partly Cloudy 15% 4 mph WSW 73%
8 PM 29° Mostly Cloudy 20% 4 mph SW 77%
9 PM 26° Mostly Cloudy 20% 2 mph SSW 80%
10 PM 25° Partly Cloudy 12% 2 mph S 83%
11 PM 24° Partly Cloudy 20% 2 mph S 85%
12 AM 24° Mostly Cloudy 23% 2 mph SW 87%
1 AM 23° Mostly Cloudy 28% 3 mph WNW 88%
2 AM 22° Mostly Cloudy 28% 2 mph W 90%
3 AM 22° Mostly Cloudy 24% 3 mph WNW 92%
4 AM 22° Mostly Cloudy 33% 2 mph SW 93%
5 AM 21° Partly Cloudy 22% 2 mph SSW 93%
6 AM 21° Partly Cloudy 28% 2 mph S 93%
7 AM 21° Partly Cloudy 27% 2 mph S 92%
8 AM 22° Partly Cloudy 28% 3 mph SSW 86%
9 AM 26° Partly Cloudy 34% 4 mph SSW 80%
10 AM 27° Partly Cloudy 28% 4 mph SW 76%
11 AM 28° Partly Cloudy 33% 5 mph WSW 73%
12 PM 29° Partly Cloudy 33% 6 mph WSW 70%
1 PM 30° Partly Cloudy 43% 6 mph WSW 68%
2 PM 31° Partly Cloudy 48% 5 mph WSW 69%
3 PM 31° Partly Cloudy 53% 6 mph WSW 71%
15-Day Forecast
Today
7/4
Partly Cloudy
16%
20°
33°
Sun
7/5
Rain
75%
21°
34°
Mon
7/6
Mostly Cloudy
36%
18°
31°
Tue
7/7
Mostly Clear
28%
19°
32°
Wed
7/8
Drizzle
42%
20°
32°
Thu
7/9
Rain
82%
22°
33°
Fri
7/10
Drizzle
60%
20°
32°
Sat
7/11
Rain
90%
21°
32°
Sun
7/12
Rain
68%
19°
32°
Mon
7/13
Drizzle
51%
17°
30°
Tue
7/14
Drizzle
60%
14°
30°
Wed
7/15
Drizzle
60%
19°
31°
Thu
7/16
Drizzle
60%
19°
31°
Fri
7/17
Drizzle
60%
19°
31°
Sat
7/18
Drizzle
60%
19°
31°
53
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
53 AQI 10.3 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 53 Moderate 35 53
Mon 51 Moderate 27 51
Tue 40 Good 26 40
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 Sat Jul 4, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3088 J/kg
MLCAPE2229 J/kg
MUCAPE3088 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear7 kt
0–1 km Shear3 kt
Eff. Shear5 kt
0–1 km SRH8
0–3 km SRH-20
Eff. SRH-20
Storm Motion211° @ 18 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.9
Thermo & Levels
PWAT1.83 in
0–3 km LR8.0 °C/km
700–500 LR5.4 °C/km
Total Totals46.1
LCL862 hPa
LFC998 hPa
EL144 hPa
Freezing Lvl15,213 ft