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

Shelby County, West Tennessee, Tennessee, United States

Last updated: 3:10 PM CDT  ·  Refresh
34°C
Feels like 38°
Mostly Cloudy
▲ 34°  /  ▼ 22°
Wind
4 mph WSW
Humidity
51%
Dew Point
22°
Pressure
29.68 inHg
Visibility
10 mi
UV Index
7.3
Cloud Cover
64%
Sunrise
5:50 AM
Sunset
8:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Shelby County is currently mostly cloudy at 34°C. Precipitation is likely — peak probability 60% around 3 PM. Atmospheric instability is elevated (CAPE up to 2388 J/kg) — isolated convective development possible. Sunrise: 5:50AM · Sunset: 8:17PM.

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
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
59%
4 PM
32°
51%
5 PM
33°
52%
6 PM
32°
53%
7 PM
32°
28%
8 PM
31°
31%
9 PM
28°
23%
10 PM
27°
23%
11 PM
27°
27%
12 AM
26°
27%
1 AM
24°
28%
2 AM
24°
19%
3 AM
24°
17%
4 AM
24°
15%
5 AM
22°
15%
6 AM
22°
19%
7 AM
22°
30%
8 AM
23°
41%
9 AM
25°
45%
10 AM
27°
46%
11 AM
28°
47%
12 PM
29°
47%
1 PM
30°
47%
2 PM
32°
53%
7-Day Forecast
Today
34° 22°
Mostly Cloudy with a 59% chance of rain.
Sun
33° 22°
Partly Cloudy with a 53% chance of rain.
Mon
32° 20°
Partly Cloudy with a 55% chance of rain.
Tue
33° 22°
Mostly Clear with a 21% chance of rain.
Wed
33° 22°
Clear.
Thu
35° 24°
Rain, 70% chance.
Fri
33° 22°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Cloudy 59% 4 mph WSW 51%
4 PM 32° Heavy Rain 51% 6 mph W 51%
5 PM 33° Rain 52% 5 mph WNW 56%
6 PM 32° Partly Cloudy 53% 4 mph W 60%
7 PM 32° Partly Cloudy 28% 3 mph E 65%
8 PM 31° Partly Cloudy 31% 3 mph SSE 72%
9 PM 28° Partly Cloudy 23% 3 mph S 77%
10 PM 27° Mostly Cloudy 23% 3 mph SSW 82%
11 PM 27° Mostly Cloudy 27% 3 mph SW 84%
12 AM 26° Mostly Cloudy 27% 2 mph WSW 86%
1 AM 24° Mostly Cloudy 28% 4 mph W 87%
2 AM 24° Mostly Cloudy 19% 3 mph NW 87%
3 AM 24° Mostly Cloudy 17% 4 mph NNW 88%
4 AM 24° Mostly Cloudy 15% 3 mph NW 88%
5 AM 22° Mostly Cloudy 15% 3 mph WSW 87%
6 AM 22° Mostly Cloudy 19% 2 mph SW 86%
7 AM 22° Partly Cloudy 30% 4 mph SSW 84%
8 AM 23° Partly Cloudy 41% 4 mph WSW 80%
9 AM 25° Mostly Cloudy 45% 5 mph W 77%
10 AM 27° Mostly Cloudy 46% 6 mph W 74%
11 AM 28° Mostly Cloudy 47% 6 mph W 70%
12 PM 29° Mostly Cloudy 47% 6 mph W 66%
1 PM 30° Mostly Cloudy 47% 6 mph W 63%
2 PM 32° Partly Cloudy 53% 6 mph WNW 61%
15-Day Forecast
Today
7/4
Mostly Cloudy
59%
22°
34°
Sun
7/5
Partly Cloudy
53%
22°
33°
Mon
7/6
Partly Cloudy
55%
20°
32°
Tue
7/7
Mostly Clear
21%
22°
33°
Wed
7/8
Clear
16%
22°
33°
Thu
7/9
Rain
70%
24°
35°
Fri
7/10
Drizzle
60%
22°
33°
Sat
7/11
Drizzle
69%
24°
34°
Sun
7/12
Rain
68%
21°
33°
Mon
7/13
Drizzle
51%
21°
31°
Tue
7/14
Drizzle
60%
17°
32°
Wed
7/15
Drizzle
60%
22°
32°
Thu
7/16
Drizzle
60%
22°
32°
Fri
7/17
Drizzle
60%
22°
32°
Sat
7/18
Drizzle
60%
22°
32°
55
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
55 AQI 11.5 µg/m³
O3
Ground-level ozone
49 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 55 Moderate 49 55
Mon 53 Moderate 50 53
Tue 48 Good 44 48
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
SBCAPE2607 J/kg
MLCAPE1976 J/kg
MUCAPE2607 J/kg
SBCIN0 J/kg
MLCIN-0 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear6 kt
0–1 km Shear2 kt
Eff. Shear11 kt
0–1 km SRH-4
0–3 km SRH-16
Eff. SRH-16
Storm Motion170° @ 16 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.5
Thermo & Levels
PWAT1.87 in
0–3 km LR8.2 °C/km
700–500 LR5.6 °C/km
Total Totals47.6
LCL849 hPa
LFC1005 hPa
EL149 hPa
Freezing Lvl15,531 ft