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

Alcorn County, Mississippi, United States

Last updated: 3:06 PM CDT  ·  Refresh
33°C
Feels like 38°
Mostly Clear
▲ 33°  /  ▼ 21°
Wind
3 mph SE
Humidity
54%
Dew Point
23°
Pressure
29.51 inHg
Visibility
10 mi
UV Index
8.9
Cloud Cover
21%
Sunrise
5:45 AM
Sunset
8:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Alcorn County is currently mostly clear at 33°C. Precipitation is likely — peak probability 86% around 2 PM. Atmospheric instability is elevated (CAPE up to 2132 J/kg) — isolated convective development possible. Sunrise: 5:45AM · Sunset: 8:11PM.

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
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
45%
4 PM
33°
46%
5 PM
32°
45%
6 PM
29°
55%
7 PM
28°
20%
8 PM
27°
20%
9 PM
26°
20%
10 PM
25°
20%
11 PM
24°
24%
12 AM
24°
35%
1 AM
22°
44%
2 AM
22°
52%
3 AM
22°
57%
4 AM
22°
47%
5 AM
21°
48%
6 AM
21°
58%
7 AM
21°
65%
8 AM
23°
70%
9 AM
26°
62%
10 AM
28°
66%
11 AM
28°
72%
12 PM
28°
76%
1 PM
30°
77%
2 PM
31°
86%
7-Day Forecast
Today
33° 21°
Partly Cloudy with a 55% chance of rain.
Sun
35° 21°
Mostly Cloudy with a 86% chance of rain.
Mon
32° 18°
Partly Cloudy with a 55% chance of rain.
Tue
32° 19°
Mostly Clear with a 28% chance of rain.
Wed
32° 20°
Clear with a 31% chance of rain.
Thu
33° 22°
Rain, 70% chance.
Fri
32° 19°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 45% 3 mph SE 54%
4 PM 33° Mostly Clear 46% 3 mph E 56%
5 PM 32° Mostly Cloudy 45% 3 mph S 59%
6 PM 29° Overcast 55% 6 mph NW 64%
7 PM 28° Overcast 20% 6 mph WSW 69%
8 PM 27° Overcast 20% 4 mph WSW 72%
9 PM 26° Mostly Cloudy 20% 3 mph S 75%
10 PM 25° Mostly Cloudy 20% 3 mph S 78%
11 PM 24° Mostly Cloudy 24% 2 mph SSW 82%
12 AM 24° Mostly Cloudy 35% 2 mph SSW 86%
1 AM 22° Mostly Cloudy 44% 4 mph W 88%
2 AM 22° Mostly Cloudy 52% 3 mph W 90%
3 AM 22° Mostly Cloudy 57% 3 mph WNW 92%
4 AM 22° Rain 47% 3 mph NW 93%
5 AM 21° Rain 48% 2 mph NNW 92%
6 AM 21° Mostly Cloudy 58% 2 mph NNW 92%
7 AM 21° Mostly Cloudy 65% 2 mph NW 90%
8 AM 23° Mostly Cloudy 70% 2 mph W 84%
9 AM 26° Mostly Cloudy 62% 3 mph WNW 79%
10 AM 28° Mostly Cloudy 66% 3 mph WNW 74%
11 AM 28° Mostly Cloudy 72% 4 mph WNW 72%
12 PM 28° Mostly Cloudy 76% 6 mph W 70%
1 PM 30° Mostly Cloudy 77% 7 mph W 68%
2 PM 31° Partly Cloudy 86% 6 mph W 69%
15-Day Forecast
Today
7/4
Partly Cloudy
55%
21°
33°
Sun
7/5
Mostly Cloudy
86%
21°
35°
Mon
7/6
Partly Cloudy
55%
18°
32°
Tue
7/7
Mostly Clear
28%
19°
32°
Wed
7/8
Clear
31%
20°
32°
Thu
7/9
Rain
70%
22°
33°
Fri
7/10
Drizzle
53%
19°
32°
Sat
7/11
Drizzle
69%
22°
32°
Sun
7/12
Drizzle
68%
19°
32°
Mon
7/13
Drizzle
51%
19°
30°
Tue
7/14
Drizzle
60%
14°
31°
Wed
7/15
Drizzle
60%
19°
31°
Thu
7/16
Drizzle
60%
20°
31°
Fri
7/17
Drizzle
60%
20°
30°
Sat
7/18
Drizzle
60%
20°
31°
51
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
51 AQI 9.4 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 51 Moderate 37 51
Mon 44 Good 31 44
Tue 41 Good 31 41
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
SBCAPE3088 J/kg
MLCAPE2251 J/kg
MUCAPE3088 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear13 kt
0–1 km Shear1 kt
Eff. Shear6 kt
0–1 km SRH0
0–3 km SRH-21
Eff. SRH-21
Storm Motion194° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.5
Thermo & Levels
PWAT1.96 in
0–3 km LR7.9 °C/km
700–500 LR5.7 °C/km
Total Totals47.8
LCL861 hPa
LFC999 hPa
EL145 hPa
Freezing Lvl15,075 ft