Heat Advisory — Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, 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, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN 7:00 PM

Decatur County, West Tennessee, Tennessee, United States

Last updated: 3:46 PM CDT  ·  Refresh
33°C
Feels like 38°
Mostly Clear
▲ 34°  /  ▼ 21°
Wind
5 mph SSW
Humidity
53%
Dew Point
20°
Pressure
29.48 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
18%
Sunrise
6:33 AM
Sunset
7:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Decatur County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1532 J/kg) — isolated convective development possible. Sunrise: 6:33AM · Sunset: 7:02PM.

Alerts

Heat Advisory
Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, 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, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 7:00 PM
40 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
4 PM
32°
3%
5 PM
33°
3%
6 PM
32°
3%
7 PM
30°
3%
8 PM
29°
3%
9 PM
26°
16%
10 PM
26°
3%
11 PM
25°
3%
12 AM
24°
3%
1 AM
24°
3%
2 AM
23°
3%
3 AM
23°
3%
4 AM
23°
3%
5 AM
23°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
26°
9%
10 AM
28°
9%
11 AM
29°
14%
12 PM
29°
13%
1 PM
32°
14%
2 PM
32°
14%
7-Day Forecast
Today
34° 21°
Mostly Clear.
Mon
36° 22°
Mostly Clear with a 22% chance of rain.
Tue
39° 23°
Clear.
Wed
38° 24°
Clear.
Thu
39° 23°
Clear.
Fri
38° 22°
Drizzle, 60% chance.
Sat
37° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 3% 5 mph SSW 53%
4 PM 32° Partly Cloudy 3% 7 mph SW 59%
5 PM 33° Partly Cloudy 3% 6 mph WNW 61%
6 PM 32° Mostly Clear 3% 4 mph NNW 64%
7 PM 30° Partly Cloudy 3% 4 mph N 67%
8 PM 29° Partly Cloudy 3% 3 mph NNE 69%
9 PM 26° Partly Cloudy 16% 4 mph NE 71%
10 PM 26° Partly Cloudy 3% 3 mph NE 74%
11 PM 25° Partly Cloudy 3% 3 mph NE 78%
12 AM 24° Partly Cloudy 3% 3 mph NNE 81%
1 AM 24° Partly Cloudy 3% 3 mph NNE 83%
2 AM 23° Partly Cloudy 3% 3 mph NE 85%
3 AM 23° Partly Cloudy 3% 4 mph NE 86%
4 AM 23° Mostly Clear 3% 4 mph NE 86%
5 AM 23° Mostly Clear 3% 4 mph NE 85%
6 AM 22° Clear 3% 4 mph NE 85%
7 AM 23° Clear 3% 4 mph ENE 80%
8 AM 25° Mostly Clear 3% 5 mph ENE 73%
9 AM 26° Mostly Clear 9% 5 mph ENE 68%
10 AM 28° Mostly Clear 9% 5 mph ENE 65%
11 AM 29° Mostly Clear 14% 5 mph ENE 63%
12 PM 29° Partly Cloudy 13% 5 mph NE 60%
1 PM 32° Partly Cloudy 14% 5 mph ENE 59%
2 PM 32° Mostly Clear 14% 5 mph ENE 58%
15-Day Forecast
Today
9/13
Mostly Clear
16%
21°
34°
Mon
9/14
Mostly Clear
22%
22°
36°
Tue
9/15
Clear
3%
23°
39°
Wed
9/16
Clear
3%
24°
38°
Thu
9/17
Clear
9%
23°
39°
Fri
9/18
Drizzle
60%
22°
38°
Sat
9/19
Clear
19%
22°
37°
Sun
9/20
Drizzle
60%
20°
35°
Mon
9/21
Drizzle
60%
19°
34°
Tue
9/22
Drizzle
60%
14°
31°
Wed
9/23
Drizzle
60%
10°
30°
Thu
9/24
Drizzle
60%
17°
31°
Fri
9/25
Drizzle
60%
17°
31°
Sat
9/26
Clear
25%
16°
31°
Sun
9/27
Drizzle
60%
16°
31°
40
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
36 AQI 6.5 µg/m³
O3
Ground-level ozone
Dominant
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 40 Good 40 36
Tue 44 Good 43 44
Wed 52 Moderate 41 52
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 Sun Sep 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1032 J/kg
MLCAPE501 J/kg
MUCAPE1032 J/kg
SBCIN-33 J/kg
MLCIN-18 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear13 kt
0–1 km Shear4 kt
Eff. Shear10 kt
0–1 km SRH16
0–3 km SRH44
Eff. SRH44
Storm Motion18° @ 15 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT1.75 in
0–3 km LR8.2 °C/km
700–500 LR5.1 °C/km
Total Totals46.1
LCL814 hPa
LFC788 hPa
EL185 hPa
Freezing Lvl15,840 ft