Extreme Heat Warning — Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, DeSoto, MS, Marshall, MS, Benton, MS, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Tallahatchie, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Lauderdale, TN, Tipton, TN, Shelby, TN, Fayette, TN 8:00 PM

Shelby County, West Tennessee, Tennessee, United States

Last updated: 12:40 AM CDT  ·  Refresh
31°C
Feels like 33°
Mostly Clear
▲ 37°  /  ▼ 22°
Wind
5 mph S
Humidity
52%
Dew Point
21°
Pressure
29.67 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
26%
Sunrise
6:20 AM
Sunset
7:45 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Shelby County is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2938 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 7:45PM.

Alerts

Extreme Heat Warning
Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, DeSoto, MS, Marshall, MS, Benton, MS, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Tallahatchie, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS, Lauderdale, TN, Tipton, TN, Shelby, TN, Fayette, TN
Expires 8:00 PM
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
8%
1 AM
29°
7%
2 AM
29°
22%
3 AM
28°
7%
4 AM
28°
7%
5 AM
27°
7%
6 AM
26°
7%
7 AM
27°
7%
8 AM
29°
4%
9 AM
31°
5%
10 AM
32°
5%
11 AM
33°
16%
12 PM
34°
13%
1 PM
36°
3%
2 PM
36°
5%
3 PM
36°
5%
4 PM
36°
5%
5 PM
37°
5%
6 PM
37°
5%
7 PM
35°
5%
8 PM
34°
5%
9 PM
30°
5%
10 PM
29°
5%
11 PM
28°
3%
7-Day Forecast
Today
37° 22°
Clear.
Tue
38° 22°
Clear.
Wed
41° 23°
Mostly Clear with a 57% chance of rain.
Thu
38° 24°
Mostly Clear with a 45% chance of rain.
Fri
36° 22°
Rain, 64% chance.
Sat
37° 21°
Clear with a 22% chance of rain.
Sun
36° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 8% 5 mph S 52%
1 AM 29° Partly Cloudy 7% 6 mph SSW 52%
2 AM 29° Mostly Clear 22% 6 mph SW 54%
3 AM 28° Mostly Clear 7% 6 mph SW 55%
4 AM 28° Clear 7% 6 mph SW 58%
5 AM 27° Mostly Clear 7% 5 mph SW 60%
6 AM 26° Clear 7% 5 mph SW 63%
7 AM 27° Clear 7% 5 mph WSW 61%
8 AM 29° Clear 4% 6 mph W 58%
9 AM 31° Clear 5% 7 mph W 54%
10 AM 32° Clear 5% 8 mph WNW 53%
11 AM 33° Clear 16% 8 mph NW 51%
12 PM 34° Clear 13% 9 mph NW 50%
1 PM 36° Clear 3% 10 mph NNW 50%
2 PM 36° Clear 5% 9 mph NNW 48%
3 PM 36° Clear 5% 9 mph NNW 47%
4 PM 36° Clear 5% 8 mph NNW 47%
5 PM 37° Clear 5% 8 mph NNW 48%
6 PM 37° Clear 5% 8 mph NNW 48%
7 PM 35° Mostly Clear 5% 8 mph NNW 50%
8 PM 34° Mostly Clear 5% 7 mph N 53%
9 PM 30° Partly Cloudy 5% 7 mph N 56%
10 PM 29° Partly Cloudy 5% 7 mph N 59%
11 PM 28° Partly Cloudy 3% 7 mph N 62%
15-Day Forecast
Today
8/17
Clear
13%
22°
37°
Tue
8/18
Clear
6%
22°
38°
Wed
8/19
Mostly Clear
57%
23°
41°
Thu
8/20
Mostly Clear
45%
24°
38°
Fri
8/21
Rain
64%
22°
36°
Sat
8/22
Clear
22%
21°
37°
Sun
8/23
Clear
19%
21°
36°
Mon
8/24
Clear
18%
21°
36°
Tue
8/25
Rain
68%
21°
36°
Wed
8/26
Clear
44%
24°
38°
Thu
8/27
Drizzle
60%
24°
38°
Fri
8/28
Drizzle
60%
23°
37°
Sat
8/29
Drizzle
60%
23°
37°
Sun
8/30
Drizzle
60%
23°
37°
Mon
8/31
Drizzle
60%
23°
37°
57
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
57 AQI 12.1 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 57 Moderate 43 57
Tue 60 Moderate 48 60
Wed 64 Moderate 64 58
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 Mon Aug 17, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE961 J/kg
MLCAPE631 J/kg
MUCAPE961 J/kg
SBCIN-217 J/kg
MLCIN-230 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear13 kt
0–1 km Shear26 kt
Eff. Shear13 kt
0–1 km SRH100
0–3 km SRH50
Eff. SRH50
Storm Motion326° @ 18 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.2
Thermo & Levels
PWAT1.93 in
0–3 km LR6.8 °C/km
700–500 LR5.8 °C/km
Total Totals49.2
LCL869 hPa
LFC736 hPa
EL193 hPa
Freezing Lvl16,155 ft