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

Lafayette County, Mississippi, United States

Last updated: 1:59 AM CDT  ·  Refresh
26°C
Feels like 28°
Clear
▲ 37°  /  ▼ 23°
Wind
3 mph ESE
Humidity
69%
Dew Point
21°
Pressure
29.56 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:31 AM
Sunset
7:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1399 J/kg) — isolated convective development possible. Sunrise: 6:31AM · Sunset: 7:22PM.

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
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
2 AM
24°
8%
3 AM
24°
3%
4 AM
22°
3%
5 AM
22°
3%
6 AM
21°
3%
7 AM
24°
3%
8 AM
29°
3%
9 AM
32°
3%
10 AM
33°
3%
11 AM
34°
3%
12 PM
37°
3%
1 PM
37°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
36°
3%
7 PM
34°
3%
8 PM
30°
3%
9 PM
30°
3%
10 PM
29°
3%
11 PM
29°
3%
12 AM
28°
3%
7-Day Forecast
Today
37° 23°
Mostly Clear.
Thu
41° 23°
Mostly Clear with a 25% chance of rain.
Fri
42° 22°
Mostly Clear with a 21% chance of rain.
Sat
39° 22°
Clear with a 51% chance of rain.
Sun
42° 21°
Clear with a 29% chance of rain.
Mon
42° 19°
Clear.
Tue
41° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 8% 3 mph ESE 69%
2 AM 24° Clear 8% 3 mph SE 71%
3 AM 24° Clear 3% 2 mph SE 73%
4 AM 22° Clear 3% 2 mph SSE 75%
5 AM 22° Clear 3% 2 mph SSE 77%
6 AM 21° Clear 3% 2 mph SSE 79%
7 AM 24° Clear 3% 1 mph S 71%
8 AM 29° Clear 3% 2 mph SW 61%
9 AM 32° Clear 3% 2 mph WSW 51%
10 AM 33° Mostly Clear 3% 2 mph SW 46%
11 AM 34° Mostly Clear 3% 2 mph S 41%
12 PM 37° Mostly Clear 3% 3 mph SSE 37%
1 PM 37° Partly Cloudy 3% 3 mph SE 36%
2 PM 37° Partly Cloudy 3% 4 mph SE 35%
3 PM 37° Partly Cloudy 3% 5 mph SE 34%
4 PM 37° Partly Cloudy 3% 5 mph SE 37%
5 PM 37° Partly Cloudy 3% 5 mph SE 40%
6 PM 36° Partly Cloudy 3% 4 mph ESE 44%
7 PM 34° Partly Cloudy 3% 4 mph SE 46%
8 PM 30° Partly Cloudy 3% 4 mph SE 48%
9 PM 30° Partly Cloudy 3% 4 mph SE 49%
10 PM 29° Partly Cloudy 3% 4 mph SE 51%
11 PM 29° Mostly Clear 3% 4 mph SE 53%
12 AM 28° Mostly Clear 3% 4 mph SE 55%
15-Day Forecast
Today
9/2
Mostly Clear
8%
23°
37°
Thu
9/3
Mostly Clear
25%
23°
41°
Fri
9/4
Mostly Clear
21%
22°
42°
Sat
9/5
Clear
51%
22°
39°
Sun
9/6
Clear
29%
21°
42°
Mon
9/7
Clear
17%
19°
42°
Tue
9/8
Clear
17%
21°
41°
Wed
9/9
Drizzle
43%
21°
40°
Thu
9/10
Drizzle
44%
21°
39°
Fri
9/11
Rain
68%
21°
40°
Sat
9/12
Clear
60%
22°
38°
Sun
9/13
Drizzle
60%
22°
39°
Mon
9/14
Drizzle
60%
22°
38°
Tue
9/15
Drizzle
60%
22°
37°
Wed
9/16
Drizzle
60%
21°
37°
43
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
43 AQI 7.8 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 43 Good 38 43
Thu 52 Moderate 38 52
Fri 43 Good 37 43
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 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
SBCAPE121 J/kg
MLCAPE395 J/kg
MUCAPE659 J/kg
SBCIN-540 J/kg
MLCIN-268 J/kg
Lifted Index0.6
Kinematics
0–6 km Shear6 kt
0–1 km Shear14 kt
Eff. Shear13 kt
0–1 km SRH-37
0–3 km SRH-10
Eff. SRH21
Storm Motion140° @ 25 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.6
Thermo & Levels
PWAT1.60 in
0–3 km LR5.0 °C/km
700–500 LR5.3 °C/km
Total Totals42.1
LCL932 hPa
LFC474 hPa
EL249 hPa
Freezing Lvl16,932 ft