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, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Tallahatchie, MS, Yalobusha, 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, Shelby, TN, Fayette, TN, Hardeman, TN 8:00 PM

Lafayette County, Mississippi, United States

Last updated: 9:27 AM CDT  ·  Refresh
28°C
Feels like 31°
Clear
▲ 35°  /  ▼ 22°
Wind
5 mph S
Humidity
70%
Dew Point
22°
Pressure
29.74 inHg
Visibility
10 mi
UV Index
6.5
Cloud Cover
8%
Sunrise
6:36 AM
Sunset
7:12 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1339 J/kg) — isolated convective development possible. Sunrise: 6:36AM · Sunset: 7:12PM.

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, Tunica, MS, Tate, MS, Coahoma, MS, Quitman, MS, Panola, MS, Lafayette, MS, Tallahatchie, MS, Yalobusha, 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, Shelby, TN, Fayette, TN, Hardeman, TN
Expires 8:00 PM
37 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
8%
10 AM
29°
19%
11 AM
30°
20%
12 PM
32°
30%
1 PM
34°
10%
2 PM
34°
10%
3 PM
35°
7%
4 PM
34°
7%
5 PM
34°
7%
6 PM
33°
10%
7 PM
32°
10%
8 PM
31°
8%
9 PM
29°
8%
10 PM
28°
8%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
24°
3%
7-Day Forecast
Today
35° 22°
Partly Cloudy with a 30% chance of rain.
Thu
38° 22°
Mostly Clear.
Fri
37° 22°
Mostly Cloudy with a 63% chance of rain.
Sat
37° 21°
Partly Cloudy with a 60% chance of rain.
Sun
38° 19°
Rain, 30% chance.
Mon
38° 21°
Clear.
Tue
39° 22°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 8% 5 mph S 70%
10 AM 29° Mostly Clear 19% 6 mph S 62%
11 AM 30° Partly Cloudy 20% 6 mph SSW 56%
12 PM 32° Partly Cloudy 30% 6 mph SSW 51%
1 PM 34° Partly Cloudy 10% 6 mph SSW 48%
2 PM 34° Partly Cloudy 10% 5 mph SSW 47%
3 PM 35° Partly Cloudy 7% 5 mph SSW 45%
4 PM 34° Partly Cloudy 7% 4 mph S 45%
5 PM 34° Partly Cloudy 7% 4 mph S 47%
6 PM 33° Partly Cloudy 10% 4 mph S 50%
7 PM 32° Partly Cloudy 10% 4 mph S 53%
8 PM 31° Mostly Clear 8% 4 mph SSE 54%
9 PM 29° Clear 8% 4 mph SSE 56%
10 PM 28° Clear 8% 4 mph SSE 57%
11 PM 27° Clear 3% 4 mph SSE 59%
12 AM 27° Clear 3% 4 mph S 61%
1 AM 26° Mostly Clear 3% 4 mph S 62%
2 AM 25° Clear 3% 4 mph S 64%
3 AM 24° Clear 3% 4 mph S 65%
4 AM 24° Clear 3% 4 mph S 67%
5 AM 23° Clear 3% 4 mph S 69%
6 AM 22° Clear 3% 4 mph S 70%
7 AM 23° Clear 3% 5 mph S 69%
8 AM 24° Clear 3% 5 mph S 64%
15-Day Forecast
Today
9/9
Partly Cloudy
30%
22°
35°
Thu
9/10
Mostly Clear
12%
22°
38°
Fri
9/11
Mostly Cloudy
63%
22°
37°
Sat
9/12
Partly Cloudy
60%
21°
37°
Sun
9/13
Rain
30%
19°
38°
Mon
9/14
Clear
17%
21°
38°
Tue
9/15
Rain
28%
22°
39°
Wed
9/16
Drizzle
68%
22°
39°
Thu
9/17
Drizzle
68%
21°
39°
Fri
9/18
Drizzle
51%
22°
39°
Sat
9/19
Drizzle
60%
21°
36°
Sun
9/20
Clear
60%
21°
36°
Mon
9/21
Drizzle
60%
20°
35°
Tue
9/22
Drizzle
60%
19°
34°
Wed
9/23
Drizzle
60%
19°
33°
37
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
37 AQI 6.6 µg/m³
O3
Ground-level ozone
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 37 Good 34 37
Fri 39 Good 39 33
Sat 44 Good 44 34
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 9, 13:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE515 J/kg
MLCAPE387 J/kg
MUCAPE515 J/kg
SBCIN-41 J/kg
MLCIN-50 J/kg
Lifted Index-0.1
Kinematics
0–6 km Shear7 kt
0–1 km Shear8 kt
Eff. Shear9 kt
0–1 km SRH-1
0–3 km SRH-1
Eff. SRH-1
Storm Motion219° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index24.8
Thermo & Levels
PWAT1.66 in
0–3 km LR6.2 °C/km
700–500 LR4.2 °C/km
Total Totals40.1
LCL927 hPa
LFC520 hPa
EL173 hPa
Freezing Lvl17,402 ft