Heat Advisory — Lafayette, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Tunica, MS, Coahoma, MS, Quitman, MS, Panola, MS, Tallahatchie, MS, Yalobusha, MS, Shelby, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN 8:00 PM

Shelby County, West Tennessee, Tennessee, United States

Last updated: 7:25 PM CDT  ·  Refresh
31°C
Feels like 34°
Clear
▲ 33°  /  ▼ 23°
Wind
6 mph NNE
Humidity
62%
Dew Point
24°
Pressure
29.55 inHg
Visibility
10 mi
UV Index
1.9
Cloud Cover
6%
Sunrise
6:06 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Shelby County is currently clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1388 J/kg) — isolated convective development possible. Sunrise: 6:06AM · Sunset: 8:05PM.

Alerts

Heat Advisory
Lafayette, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Tunica, MS, Coahoma, MS, Quitman, MS, Panola, MS, Tallahatchie, MS, Yalobusha, MS, Shelby, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 8:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
12%
8 PM
30°
29%
9 PM
28°
21%
10 PM
27°
21%
11 PM
26°
14%
12 AM
26°
14%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
23°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
5 PM
32°
3%
6 PM
32°
3%
7-Day Forecast
Tonight
33° 23°
Clear with a 21% chance of rain.
Thu
33° 23°
Mostly Clear.
Fri
36° 23°
Partly Cloudy with a 51% chance of rain.
Sat
33° 22°
Partly Cloudy with a 45% chance of rain.
Sun
28° 22°
Partly Cloudy with a 30% chance of rain.
Mon
31° 21°
Rain, 63% chance.
Tue
33° 23°
Rain, 57% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Clear 12% 6 mph NNE 62%
8 PM 30° Clear 29% 6 mph NNE 66%
9 PM 28° Clear 21% 5 mph NNE 70%
10 PM 27° Clear 21% 5 mph NNE 73%
11 PM 26° Clear 14% 6 mph NNE 75%
12 AM 26° Clear 14% 6 mph NNE 77%
1 AM 24° Mostly Clear 3% 6 mph NE 79%
2 AM 24° Partly Cloudy 3% 6 mph NE 83%
3 AM 24° Partly Cloudy 3% 5 mph NE 86%
4 AM 23° Mostly Clear 3% 5 mph NE 87%
5 AM 23° Clear 3% 5 mph NE 88%
6 AM 23° Clear 3% 5 mph NE 88%
7 AM 24° Clear 3% 5 mph NE 85%
8 AM 26° Clear 3% 5 mph ENE 78%
9 AM 27° Clear 3% 5 mph ENE 70%
10 AM 28° Mostly Clear 3% 5 mph NE 63%
11 AM 29° Mostly Clear 3% 5 mph NE 58%
12 PM 31° Mostly Clear 3% 5 mph NE 54%
1 PM 32° Mostly Clear 3% 5 mph NE 50%
2 PM 33° Mostly Clear 3% 6 mph NE 48%
3 PM 33° Mostly Clear 3% 6 mph NE 47%
4 PM 33° Mostly Clear 3% 6 mph NE 48%
5 PM 32° Mostly Clear 3% 6 mph NE 50%
6 PM 32° Mostly Clear 3% 6 mph NE 53%
15-Day Forecast
Today
7/29
Clear
21%
23°
33°
Thu
7/30
Mostly Clear
3%
23°
33°
Fri
7/31
Partly Cloudy
51%
23°
36°
Sat
8/1
Partly Cloudy
45%
22°
33°
Sun
8/2
Partly Cloudy
30%
22°
28°
Mon
8/3
Rain
63%
21°
31°
Tue
8/4
Rain
57%
23°
33°
Wed
8/5
Clear
16%
23°
34°
Thu
8/6
Clear
15%
25°
37°
Fri
8/7
Rain
59%
26°
36°
Sat
8/8
Drizzle
60%
26°
36°
Sun
8/9
Drizzle
60%
26°
37°
Mon
8/10
Drizzle
60%
26°
38°
Tue
8/11
Drizzle
60%
26°
36°
Wed
8/12
Drizzle
60%
26°
36°
56
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
56 AQI 11.6 µg/m³
O3
Ground-level ozone
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 56 Moderate 45 56
Fri 64 Moderate 44 64
Sat 61 Moderate 49 61
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 Wed Jul 29, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1777 J/kg
MLCAPE1319 J/kg
MUCAPE1777 J/kg
SBCIN-53 J/kg
MLCIN0 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear24 kt
0–1 km Shear2 kt
Eff. Shear28 kt
0–1 km SRH-2
0–3 km SRH-6
Eff. SRH-6
Storm Motion276° @ 14 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index23.9
Thermo & Levels
PWAT1.86 in
0–3 km LR6.0 °C/km
700–500 LR6.1 °C/km
Total Totals44.2
LCL904 hPa
LFC781 hPa
EL158 hPa
Freezing Lvl16,539 ft