Heat Advisory — Clay, AR, Greene, AR, Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, Dunklin, MO, Pemiscot, MO, DeSoto, MS, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tunica, MS, Tate, MS, Prentiss, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Tallahatchie, 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, 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 8:00 PM

Alcorn County, Mississippi, United States

Last updated: 1:58 AM CDT  ·  Refresh
24°C
Feels like 27°
Clear
▲ 37°  /  ▼ 23°
Wind
3 mph SSE
Humidity
72%
Dew Point
20°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:27 AM
Sunset
7:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Alcorn County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1148 J/kg) — isolated convective development possible. Sunrise: 6:27AM · Sunset: 7:19PM.

Alerts

Heat Advisory
Clay, AR, Greene, AR, Craighead, AR, Poinsett, AR, Mississippi, AR, Cross, AR, Crittenden, AR, St. Francis, AR, Lee, AR, Phillips, AR, Dunklin, MO, Pemiscot, MO, DeSoto, MS, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tunica, MS, Tate, MS, Prentiss, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Tallahatchie, 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, 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
Expires 8:00 PM
41 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
11%
2 AM
23°
11%
3 AM
23°
3%
4 AM
21°
3%
5 AM
21°
3%
6 AM
21°
3%
7 AM
24°
3%
8 AM
28°
3%
9 AM
31°
3%
10 AM
33°
3%
11 AM
34°
3%
12 PM
36°
3%
1 PM
36°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
29°
3%
9 PM
28°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
27°
3%
7-Day Forecast
Today
37° 23°
Clear.
Thu
40° 23°
Mostly Clear with a 29% chance of rain.
Fri
41° 22°
Mostly Clear.
Sat
38° 22°
Mostly Clear with a 51% chance of rain.
Sun
40° 19°
Clear with a 29% chance of rain.
Mon
39° 19°
Clear.
Tue
38° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 11% 3 mph SSE 72%
2 AM 23° Clear 11% 3 mph SSE 73%
3 AM 23° Clear 3% 3 mph SSE 75%
4 AM 21° Clear 3% 3 mph SSE 76%
5 AM 21° Clear 3% 4 mph SE 78%
6 AM 21° Clear 3% 4 mph SSE 79%
7 AM 24° Clear 3% 3 mph SSE 70%
8 AM 28° Clear 3% 3 mph S 60%
9 AM 31° Clear 3% 3 mph S 51%
10 AM 33° Clear 3% 2 mph S 45%
11 AM 34° Clear 3% 3 mph SSE 41%
12 PM 36° Mostly Clear 3% 3 mph SE 37%
1 PM 36° Mostly Clear 3% 4 mph SE 36%
2 PM 37° Mostly Clear 3% 4 mph SE 35%
3 PM 37° Clear 3% 5 mph SE 34%
4 PM 37° Clear 3% 5 mph SE 37%
5 PM 36° Clear 3% 4 mph SE 41%
6 PM 34° Clear 3% 4 mph SSE 45%
7 PM 33° Clear 3% 4 mph SE 49%
8 PM 29° Clear 3% 4 mph SE 52%
9 PM 28° Clear 3% 4 mph SE 54%
10 PM 28° Clear 3% 4 mph SE 56%
11 PM 27° Clear 3% 4 mph SSE 58%
12 AM 27° Clear 3% 4 mph SSE 60%
15-Day Forecast
Today
9/2
Clear
11%
23°
37°
Thu
9/3
Mostly Clear
29%
23°
40°
Fri
9/4
Mostly Clear
17%
22°
41°
Sat
9/5
Mostly Clear
51%
22°
38°
Sun
9/6
Clear
29%
19°
40°
Mon
9/7
Clear
17%
19°
39°
Tue
9/8
Clear
17%
19°
38°
Wed
9/9
Drizzle
68%
20°
39°
Thu
9/10
Drizzle
68%
21°
39°
Fri
9/11
Rain
68%
20°
39°
Sat
9/12
Drizzle
60%
21°
36°
Sun
9/13
Drizzle
60%
21°
37°
Mon
9/14
Drizzle
60%
21°
36°
Tue
9/15
Drizzle
60%
21°
35°
Wed
9/16
Drizzle
60%
19°
34°
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
Dominant
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 41 41
Thu 53 Moderate 46 53
Fri 56 Moderate 43 56
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Sep 2, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE20 J/kg
MUCAPE98 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index1.4
Kinematics
0–6 km Shear7 kt
0–1 km Shear12 kt
Eff. Shear—
0–1 km SRH-36
0–3 km SRH-36
Eff. SRH—
Storm Motion125° @ 27 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index24.6
Thermo & Levels
PWAT1.54 in
0–3 km LR4.3 °C/km
700–500 LR5.9 °C/km
Total Totals42.6
LCL936 hPa
LFC—
EL—
Freezing Lvl16,270 ft