Extreme Heat Warning — 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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN 8:00 PM Heat Advisory — 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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN 8:00 PM

Alcorn County, Mississippi, United States

Last updated: 12:35 AM CDT  ·  Refresh
27°C
Feels like 31°
Partly Cloudy
▲ 37°  /  ▼ 23°
Wind
2 mph SW
Humidity
90%
Dew Point
26°
Pressure
29.44 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
58%
Sunrise
6:00 AM
Sunset
8:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Alcorn County is currently partly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3453 J/kg) — isolated convective development possible. Sunrise: 6:00AM · Sunset: 8:00PM.

Alerts

Extreme Heat Warning
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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 8:00 PM
Heat Advisory
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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 8:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
16%
1 AM
27°
27%
2 AM
27°
31%
3 AM
27°
36%
4 AM
26°
32%
5 AM
25°
32%
6 AM
25°
31%
7 AM
26°
29%
8 AM
28°
29%
9 AM
29°
17%
10 AM
31°
24%
11 AM
33°
30%
12 PM
34°
30%
1 PM
35°
22%
2 PM
35°
22%
3 PM
34°
23%
4 PM
34°
32%
5 PM
34°
33%
6 PM
33°
28%
7 PM
33°
25%
8 PM
32°
25%
9 PM
28°
25%
10 PM
28°
16%
11 PM
27°
12%
7-Day Forecast
Today
37° 23°
Partly Cloudy with a 36% chance of rain.
Tue
39° 23°
Partly Cloudy with a 51% chance of rain.
Wed
33° 21°
Mostly Cloudy with a 56% chance of rain.
Thu
31° 19°
Clear with a 33% chance of rain.
Fri
29° 20°
Rain, 29% chance.
Sat
31° 19°
Rain, 70% chance.
Sun
27° 19°
Clear with a 63% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 16% 2 mph SW 90%
1 AM 27° Partly Cloudy 27% 3 mph SSW 90%
2 AM 27° Mostly Cloudy 31% 3 mph SW 90%
3 AM 27° Mostly Cloudy 36% 2 mph SW 90%
4 AM 26° Mostly Cloudy 32% 3 mph SW 90%
5 AM 25° Mostly Cloudy 32% 3 mph SSW 91%
6 AM 25° Mostly Cloudy 31% 3 mph SSW 91%
7 AM 26° Mostly Cloudy 29% 4 mph SSW 87%
8 AM 28° Partly Cloudy 29% 4 mph SW 81%
9 AM 29° Mostly Clear 17% 6 mph WSW 75%
10 AM 31° Mostly Clear 24% 6 mph W 68%
11 AM 33° Mostly Clear 30% 6 mph W 62%
12 PM 34° Partly Cloudy 30% 6 mph W 57%
1 PM 35° Partly Cloudy 22% 5 mph W 55%
2 PM 35° Partly Cloudy 22% 5 mph WSW 56%
3 PM 34° Partly Cloudy 23% 6 mph WSW 57%
4 PM 34° Partly Cloudy 32% 6 mph SW 60%
5 PM 34° Mostly Clear 33% 5 mph SW 65%
6 PM 33° Clear 28% 4 mph SW 71%
7 PM 33° Clear 25% 4 mph SW 77%
8 PM 32° Clear 25% 4 mph SSW 81%
9 PM 28° Clear 25% 5 mph SSW 84%
10 PM 28° Clear 16% 5 mph SSW 85%
11 PM 27° Clear 12% 4 mph SSW 85%
15-Day Forecast
Today
7/27
Partly Cloudy
36%
23°
37°
Tue
7/28
Partly Cloudy
51%
23°
39°
Wed
7/29
Mostly Cloudy
56%
21°
33°
Thu
7/30
Clear
33%
19°
31°
Fri
7/31
Rain
29%
20°
29°
Sat
8/1
Rain
70%
19°
31°
Sun
8/2
Clear
63%
19°
27°
Mon
8/3
Rain
69%
19°
31°
Tue
8/4
Rain
68%
21°
32°
Wed
8/5
Clear
44%
22°
34°
Thu
8/6
Thunderstorm
60%
22°
33°
Fri
8/7
Drizzle
60%
22°
33°
Sat
8/8
Drizzle
60%
22°
33°
Sun
8/9
Drizzle
60%
22°
32°
Mon
8/10
Drizzle
60%
23°
33°
53
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
53 AQI 10.3 µg/m³
O3
Ground-level ozone
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 32 53
Tue 57 Moderate 39 57
Wed 51 Moderate 42 51
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 Jul 27, 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
SBCAPE3295 J/kg
MLCAPE2909 J/kg
MUCAPE3794 J/kg
SBCIN-141 J/kg
MLCIN0 J/kg
Lifted Index-6.6
Kinematics
0–6 km Shear20 kt
0–1 km Shear9 kt
Eff. Shear30 kt
0–1 km SRH9
0–3 km SRH18
Eff. SRH18
Storm Motion286° @ 18 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.2
Supercell1.0
K-Index31.6
Thermo & Levels
PWAT1.81 in
0–3 km LR5.0 °C/km
700–500 LR5.9 °C/km
Total Totals42.9
LCL978 hPa
LFC761 hPa
EL142 hPa
Freezing Lvl16,594 ft