Excessive Heat Warning — 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 PM

Decatur County, West Tennessee, Tennessee, United States

Last updated: 4:12 AM CDT  ·  Refresh
24°C
Feels like 27°
Clear
▲ 36°  /  ▼ 23°
Wind
3 mph SSE
Humidity
82%
Dew Point
22°
Pressure
29.61 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:11 AM
Sunset
7:41 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 981 J/kg) — isolated convective development possible. Sunrise: 6:11AM · Sunset: 7:41PM.

Alerts

Excessive Heat Warning
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 PM
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
26°
3%
9 AM
29°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
36°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
27°
3%
2 AM
27°
3%
3 AM
24°
3%
7-Day Forecast
Today
36° 23°
Clear.
Sun
39° 23°
Partly Cloudy.
Mon
38° 23°
Partly Cloudy with a 38% chance of rain.
Tue
34° 20°
Clear.
Wed
39° 23°
Drizzle, 51% chance.
Thu
34° 21°
Drizzle, 52% chance.
Fri
35° 19°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 3 mph SSE 82%
5 AM 22° Clear 3% 3 mph SSE 80%
6 AM 22° Clear 3% 3 mph S 81%
7 AM 23° Mostly Clear 3% 4 mph S 81%
8 AM 26° Mostly Clear 3% 5 mph SW 72%
9 AM 29° Mostly Clear 3% 6 mph SW 64%
10 AM 31° Mostly Clear 3% 7 mph WSW 57%
11 AM 32° Mostly Clear 3% 7 mph WSW 52%
12 PM 33° Clear 3% 6 mph W 46%
1 PM 36° Clear 3% 6 mph W 41%
2 PM 36° Clear 3% 6 mph W 39%
3 PM 36° Clear 3% 6 mph WSW 38%
4 PM 36° Clear 3% 6 mph WSW 38%
5 PM 36° Clear 3% 5 mph SW 42%
6 PM 34° Clear 3% 3 mph SW 47%
7 PM 33° Mostly Clear 3% 4 mph SW 53%
8 PM 32° Mostly Clear 3% 4 mph S 55%
9 PM 29° Mostly Clear 3% 4 mph S 57%
10 PM 28° Partly Cloudy 3% 4 mph S 58%
11 PM 28° Mostly Clear 3% 4 mph S 60%
12 AM 27° Mostly Clear 3% 4 mph S 61%
1 AM 27° Mostly Clear 3% 5 mph S 61%
2 AM 27° Mostly Clear 3% 5 mph S 62%
3 AM 24° Partly Cloudy 3% 4 mph SSE 64%
15-Day Forecast
Today
8/15
Clear
3%
23°
36°
Sun
8/16
Partly Cloudy
6%
23°
39°
Mon
8/17
Partly Cloudy
38%
23°
38°
Tue
8/18
Clear
16%
20°
34°
Wed
8/19
Drizzle
51%
23°
39°
Thu
8/20
Drizzle
52%
21°
34°
Fri
8/21
Rain
63%
19°
35°
Sat
8/22
Rain
69%
20°
34°
Sun
8/23
Rain
68%
19°
34°
Mon
8/24
Clear
25%
21°
36°
Tue
8/25
Clear
60%
21°
36°
Wed
8/26
Drizzle
60%
22°
35°
Thu
8/27
Drizzle
60%
21°
34°
Fri
8/28
Drizzle
60%
21°
34°
Sat
8/29
Drizzle
60%
21°
33°
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
Today 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 Sat Aug 15, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE60 J/kg
MLCAPE171 J/kg
MUCAPE1441 J/kg
SBCIN-482 J/kg
MLCIN-279 J/kg
Lifted Index-0.5
Kinematics
0–6 km Shear2 kt
0–1 km Shear11 kt
Eff. Shear2 kt
0–1 km SRH39
0–3 km SRH4
Eff. SRH1
Storm Motion297° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index23.3
Thermo & Levels
PWAT1.57 in
0–3 km LR4.2 °C/km
700–500 LR5.8 °C/km
Total Totals44.3
LCL969 hPa
LFC522 hPa
EL328 hPa
Freezing Lvl16,637 ft