Heat Advisory — 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 p. m.

Decatur County, West Tennessee, Tennessee, United States

Last updated: 2:56 p. m. CDT  ·  Refresh
36°C
Feels like 42°
Mostly Clear
▲ 37°  /  ▼ 23°
Wind
7 mph SW
Humidity
46%
Dew Point
22°
Pressure
29,57 inHg
Visibility
10 mi
UV Index
8,7
Cloud Cover
11%
Sunrise
6:10 a. m.
Sunset
7:42 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Decatur County is currently mostly clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1731 J/kg) — isolated convective development possible. Sunrise: 6:10A. M. · Sunset: 7:42P. M..

Alerts

Heat Advisory
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 p. m.
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
3%
3 p. m.
37°
3%
4 p. m.
37°
3%
5 p. m.
36°
3%
6 p. m.
34°
3%
7 p. m.
32°
3%
8 p. m.
30°
3%
9 p. m.
29°
3%
10 p. m.
28°
3%
11 p. m.
28°
3%
12 a. m.
27°
3%
1 a. m.
26°
3%
2 a. m.
26°
3%
3 a. m.
26°
3%
4 a. m.
24°
3%
5 a. m.
23°
3%
6 a. m.
23°
3%
7 a. m.
24°
3%
8 a. m.
28°
3%
9 a. m.
31°
3%
10 a. m.
31°
3%
11 a. m.
32°
3%
12 p. m.
34°
3%
1 p. m.
34°
3%
7-Day Forecast
Today
37° 23°
Clear.
Sat
38° 23°
Clear.
Sun
39° 24°
Mostly Clear.
Mon
34° 24°
Partly Cloudy with a 20% chance of rain.
Tue
36° 21°
Clear.
Wed
38° 23°
Drizzle, 60% chance.
Thu
33° 20°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 3% 7 mph SW 46%
3 p. m. 37° Clear 3% 7 mph SW 44%
4 p. m. 37° Clear 3% 7 mph SW 48%
5 p. m. 36° Clear 3% 5 mph WSW 52%
6 p. m. 34° Clear 3% 4 mph WSW 58%
7 p. m. 32° Clear 3% 3 mph WSW 60%
8 p. m. 30° Clear 3% 3 mph SSW 61%
9 p. m. 29° Clear 3% 3 mph S 63%
10 p. m. 28° Partly Cloudy 3% 3 mph SSE 66%
11 p. m. 28° Partly Cloudy 3% 3 mph SSE 69%
12 a. m. 27° Mostly Clear 3% 3 mph SSE 71%
1 a. m. 26° Mostly Clear 3% 3 mph SSE 72%
2 a. m. 26° Mostly Clear 3% 4 mph SSE 72%
3 a. m. 26° Mostly Clear 3% 4 mph S 71%
4 a. m. 24° Mostly Clear 3% 4 mph S 72%
5 a. m. 23° Mostly Clear 3% 4 mph S 72%
6 a. m. 23° Clear 3% 4 mph S 74%
7 a. m. 24° Clear 3% 4 mph SSW 66%
8 a. m. 28° Clear 3% 5 mph SW 59%
9 a. m. 31° Clear 3% 5 mph SW 54%
10 a. m. 31° Clear 3% 5 mph SW 51%
11 a. m. 32° Clear 3% 6 mph SW 48%
12 p. m. 34° Clear 3% 6 mph WSW 44%
1 p. m. 34° Clear 3% 6 mph WSW 44%
15-Day Forecast
Today
8/14
Clear
3%
23°
37°
Sat
8/15
Clear
3%
23°
38°
Sun
8/16
Mostly Clear
8%
24°
39°
Mon
8/17
Partly Cloudy
20%
24°
34°
Tue
8/18
Clear
9%
21°
36°
Wed
8/19
Drizzle
60%
23°
38°
Thu
8/20
Drizzle
60%
20°
33°
Fri
8/21
Drizzle
60%
18°
33°
Sat
8/22
Drizzle
60%
16°
33°
Sun
8/23
Drizzle
60%
16°
34°
Mon
8/24
Clear
25%
17°
34°
Tue
8/25
Drizzle
60%
21°
35°
Wed
8/26
Drizzle
60%
22°
35°
Thu
8/27
Drizzle
60%
22°
35°
Fri
8/28
Drizzle
60%
21°
35°
36
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
36 AQI 6.6 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 36 Good 33 36
Sun 49 Good 33 49
Mon 42 Good 34 42
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 vie. ago. 14, 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
SBCAPE2547 J/kg
MLCAPE2132 J/kg
MUCAPE2547 J/kg
SBCIN0 J/kg
MLCIN-3 J/kg
Lifted Index-5.6
Kinematics
0–6 km Shear10 kt
0–1 km Shear3 kt
Eff. Shear9 kt
0–1 km SRH11
0–3 km SRH36
Eff. SRH36
Storm Motion1° @ 10 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.7
Thermo & Levels
PWAT1.87 in
0–3 km LR8.4 °C/km
700–500 LR5.8 °C/km
Total Totals47.8
LCL811 hPa
LFC1001 hPa
EL144 hPa
Freezing Lvl16,581 ft