Heat Advisory — Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, 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, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN 7:00 p. m.

Alcorn County, Mississippi, United States

Last updated: 3:48 p. m. CDT  ·  Refresh
34°C
Feels like 40°
Mostly Clear
▲ 34°  /  ▼ 21°
Wind
6 mph SE
Humidity
54%
Dew Point
21°
Pressure
29,49 inHg
Visibility
10 mi
UV Index
7,2
Cloud Cover
16%
Sunrise
6:35 a. m.
Sunset
7:03 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Alcorn County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1285 J/kg) — isolated convective development possible. Sunrise: 6:35A. M. · Sunset: 7:03P. M..

Alerts

Heat Advisory
Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, 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, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 7:00 p. m.
41 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
21%
4 p. m.
33°
24%
5 p. m.
33°
17%
6 p. m.
31°
19%
7 p. m.
30°
11%
8 p. m.
29°
18%
9 p. m.
26°
18%
10 p. m.
26°
18%
11 p. m.
25°
5%
12 a. m.
24°
8%
1 a. m.
24°
17%
2 a. m.
23°
17%
3 a. m.
23°
17%
4 a. m.
23°
17%
5 a. m.
22°
5%
6 a. m.
22°
5%
7 a. m.
23°
5%
8 a. m.
25°
12%
9 a. m.
26°
12%
10 a. m.
28°
9%
11 a. m.
29°
10%
12 p. m.
30°
10%
1 p. m.
32°
10%
2 p. m.
32°
10%
7-Day Forecast
Today
34° 21°
Mostly Clear with a 21% chance of rain.
Mon
37° 22°
Partly Cloudy.
Tue
38° 22°
Clear.
Wed
36° 23°
Mostly Clear.
Thu
38° 22°
Clear.
Fri
37° 21°
Drizzle, 60% chance.
Sat
37° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 21% 6 mph SE 54%
4 p. m. 33° Mostly Clear 24% 6 mph N 61%
5 p. m. 33° Mostly Clear 17% 5 mph NW 63%
6 p. m. 31° Mostly Clear 19% 5 mph SW 67%
7 p. m. 30° Mostly Clear 11% 4 mph WSW 69%
8 p. m. 29° Partly Cloudy 18% 4 mph WNW 72%
9 p. m. 26° Partly Cloudy 18% 4 mph WNW 74%
10 p. m. 26° Partly Cloudy 18% 3 mph N 77%
11 p. m. 25° Partly Cloudy 5% 2 mph E 79%
12 a. m. 24° Partly Cloudy 8% 2 mph ENE 80%
1 a. m. 24° Partly Cloudy 17% 2 mph NNE 82%
2 a. m. 23° Mostly Clear 17% 2 mph N 84%
3 a. m. 23° Mostly Clear 17% 3 mph N 85%
4 a. m. 23° Mostly Clear 17% 3 mph N 86%
5 a. m. 22° Mostly Clear 5% 2 mph N 87%
6 a. m. 22° Partly Cloudy 5% 2 mph NNW 88%
7 a. m. 23° Mostly Clear 5% 3 mph NE 81%
8 a. m. 25° Mostly Clear 12% 3 mph ENE 73%
9 a. m. 26° Mostly Clear 12% 3 mph E 67%
10 a. m. 28° Mostly Clear 9% 4 mph E 62%
11 a. m. 29° Mostly Clear 10% 4 mph E 57%
12 p. m. 30° Clear 10% 4 mph ESE 53%
1 p. m. 32° Mostly Clear 10% 5 mph E 51%
2 p. m. 32° Mostly Clear 10% 5 mph E 50%
15-Day Forecast
Today
9/13
Mostly Clear
21%
21°
34°
Mon
9/14
Partly Cloudy
17%
22°
37°
Tue
9/15
Clear
3%
22°
38°
Wed
9/16
Mostly Clear
8%
23°
36°
Thu
9/17
Clear
3%
22°
38°
Fri
9/18
Drizzle
60%
21°
37°
Sat
9/19
Clear
19%
21°
37°
Sun
9/20
Drizzle
60%
19°
34°
Mon
9/21
Drizzle
60%
19°
34°
Tue
9/22
Drizzle
60%
14°
30°
Wed
9/23
Drizzle
60%
10°
29°
Thu
9/24
Drizzle
60%
17°
29°
Fri
9/25
Drizzle
60%
17°
30°
Sat
9/26
Clear
25%
17°
30°
Sun
9/27
Drizzle
60%
16°
31°
41
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
37 AQI 6.6 µg/m³
O3
Ground-level ozone
Dominant
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 41 Good 41 37
Tue 41 Good 41 38
Wed 55 Moderate 45 55
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 dom. sept. 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1702 J/kg
MLCAPE995 J/kg
MUCAPE1702 J/kg
SBCIN-36 J/kg
MLCIN-23 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear12 kt
0–1 km Shear4 kt
Eff. Shear10 kt
0–1 km SRH17
0–3 km SRH43
Eff. SRH43
Storm Motion14° @ 16 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.0
Thermo & Levels
PWAT1.79 in
0–3 km LR8.3 °C/km
700–500 LR5.2 °C/km
Total Totals47.0
LCL825 hPa
LFC795 hPa
EL151 hPa
Freezing Lvl16,010 ft