Heat Advisory — 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, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tate, MS, Prentiss, MS, Panola, MS, Tallahatchie, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS 8:00 PM

Lafayette County, Mississippi, United States

Last updated: 3:08 PM CDT  ·  Refresh
33°C
Feels like 38°
Partly Cloudy
▲ 34°  /  ▼ 21°
Wind
3 mph S
Humidity
54%
Dew Point
22°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
8.8
Cloud Cover
33%
Sunrise
5:50 AM
Sunset
8:13 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently partly cloudy at 33°C. Precipitation is likely — peak probability 75% around 2 PM. Atmospheric instability is elevated (CAPE up to 2077 J/kg) — isolated convective development possible. Sunrise: 5:50AM · Sunset: 8:13PM.

Alerts

Heat Advisory
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, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tate, MS, Prentiss, MS, Panola, MS, Tallahatchie, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, MS, Yalobusha, MS, Calhoun, MS, Chickasaw, MS, Monroe, MS
Expires 8:00 PM
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
32%
4 PM
32°
53%
5 PM
32°
60%
6 PM
29°
64%
7 PM
28°
70%
8 PM
27°
46%
9 PM
27°
45%
10 PM
26°
46%
11 PM
25°
54%
12 AM
24°
48%
1 AM
23°
30%
2 AM
23°
30%
3 AM
22°
24%
4 AM
22°
28%
5 AM
21°
31%
6 AM
21°
36%
7 AM
21°
39%
8 AM
23°
48%
9 AM
25°
52%
10 AM
28°
61%
11 AM
29°
61%
12 PM
29°
66%
1 PM
32°
67%
2 PM
33°
75%
7-Day Forecast
Today
34° 21°
Heavy Rain, 64% chance.
Sun
35° 21°
Partly Cloudy with a 70% chance of rain.
Mon
34° 19°
Mostly Clear with a 56% chance of rain.
Tue
34° 21°
Partly Cloudy with a 21% chance of rain.
Wed
34° 21°
Rain, 31% chance.
Thu
34° 22°
Rain, 64% chance.
Fri
33° 21°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 32% 3 mph S 54%
4 PM 32° Partly Cloudy 53% 5 mph SE 58%
5 PM 32° Partly Cloudy 60% 5 mph WSW 61%
6 PM 29° Heavy Rain 64% 6 mph WNW 66%
7 PM 28° Partly Cloudy 70% 5 mph ESE 69%
8 PM 27° Rain 46% 3 mph S 71%
9 PM 27° Mostly Cloudy 45% 3 mph SSE 72%
10 PM 26° Overcast 46% 2 mph SE 75%
11 PM 25° Mostly Cloudy 54% 3 mph SW 80%
12 AM 24° Mostly Cloudy 48% 2 mph WSW 85%
1 AM 23° Partly Cloudy 30% 3 mph W 89%
2 AM 23° Mostly Cloudy 30% 2 mph WNW 90%
3 AM 22° Partly Cloudy 24% 2 mph WNW 91%
4 AM 22° Partly Cloudy 28% 2 mph NW 92%
5 AM 21° Partly Cloudy 31% 2 mph W 92%
6 AM 21° Mostly Clear 36% 3 mph WNW 92%
7 AM 21° Mostly Clear 39% 4 mph WNW 91%
8 AM 23° Mostly Clear 48% 4 mph W 84%
9 AM 25° Mostly Clear 52% 4 mph W 77%
10 AM 28° Partly Cloudy 61% 4 mph W 70%
11 AM 29° Partly Cloudy 61% 4 mph WSW 66%
12 PM 29° Rain 66% 5 mph WSW 62%
1 PM 32° Rain 67% 6 mph WSW 59%
2 PM 33° Partly Cloudy 75% 5 mph WSW 59%
15-Day Forecast
Today
7/4
Heavy Rain
64%
21°
34°
Sun
7/5
Partly Cloudy
70%
21°
35°
Mon
7/6
Mostly Clear
56%
19°
34°
Tue
7/7
Partly Cloudy
21%
21°
34°
Wed
7/8
Rain
31%
21°
34°
Thu
7/9
Rain
64%
22°
34°
Fri
7/10
Drizzle
53%
21°
33°
Sat
7/11
Rain
69%
22°
34°
Sun
7/12
Rain
68%
19°
34°
Mon
7/13
Drizzle
51%
20°
32°
Tue
7/14
Drizzle
60%
15°
33°
Wed
7/15
Drizzle
60%
21°
32°
Thu
7/16
Drizzle
60%
22°
33°
Fri
7/17
Drizzle
90%
22°
32°
Sat
7/18
Drizzle
60%
22°
33°
47
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
47 AQI 8.4 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 47 Good 31 47
Mon 33 Good 32 33
Tue 39 Good 30 39
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 Sat Jul 4, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2671 J/kg
MLCAPE1919 J/kg
MUCAPE2671 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.7
Kinematics
0–6 km Shear10 kt
0–1 km Shear1 kt
Eff. Shear11 kt
0–1 km SRH-3
0–3 km SRH-11
Eff. SRH-11
Storm Motion182° @ 17 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.3
Thermo & Levels
PWAT1.92 in
0–3 km LR8.0 °C/km
700–500 LR5.7 °C/km
Total Totals48.6
LCL853 hPa
LFC1000 hPa
EL150 hPa
Freezing Lvl15,341 ft