Heat Advisory — DeSoto, MS, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Tate, MS, Prentiss, MS, Panola, MS, Lafayette, MS, Union, MS, Pontotoc, MS, Lee, MS, Itawamba, 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: 2:57 PM CDT  ·  Refresh
36°C
Feels like 39°
Mostly Clear
▲ 37°  /  ▼ 22°
Wind
8 mph SW
Humidity
39%
Dew Point
21°
Pressure
29,62 inHg
Visibility
10 mi
UV Index
8,8
Cloud Cover
11%
Sunrise
6:18 AM
Sunset
7:46 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently mostly clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1317 J/kg) — isolated convective development possible. Sunrise: 6:18AM · Sunset: 7:46PM.

49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
3%
3 PM
37°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
26°
3%
1 AM
25°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
23°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
30°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
32°
3%
1 PM
33°
3%
7-Day Forecast
Today
37° 22°
Clear.
Sat
38° 22°
Clear.
Sun
41° 24°
Mostly Clear.
Mon
39° 27°
Clear with a 24% chance of rain.
Tue
40° 23°
Clear.
Wed
39° 26°
Clear with a 35% chance of rain.
Thu
37° 21°
Clear with a 25% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 3% 8 mph SW 39%
3 PM 37° Clear 3% 8 mph SW 35%
4 PM 36° Clear 3% 7 mph SW 37%
5 PM 36° Clear 3% 7 mph SW 39%
6 PM 34° Clear 3% 6 mph SW 42%
7 PM 32° Clear 3% 5 mph SW 45%
8 PM 31° Clear 3% 4 mph SW 48%
9 PM 29° Clear 3% 4 mph SSW 50%
10 PM 28° Clear 3% 4 mph SSW 51%
11 PM 27° Clear 3% 4 mph SSW 52%
12 AM 26° Clear 3% 4 mph SSW 52%
1 AM 25° Clear 3% 4 mph SSW 54%
2 AM 24° Clear 3% 4 mph SSW 56%
3 AM 24° Clear 3% 4 mph SW 58%
4 AM 23° Clear 3% 4 mph SW 61%
5 AM 22° Clear 3% 4 mph SW 63%
6 AM 22° Clear 3% 4 mph SW 66%
7 AM 24° Clear 3% 6 mph WSW 62%
8 AM 26° Clear 3% 6 mph WSW 59%
9 AM 30° Clear 3% 7 mph WSW 57%
10 AM 31° Clear 3% 7 mph WSW 53%
11 AM 32° Clear 3% 6 mph WSW 49%
12 PM 32° Clear 3% 6 mph WSW 45%
1 PM 33° Clear 3% 6 mph WSW 44%
15-Day Forecast
Today
8/14
Clear
3%
22°
37°
Sat
8/15
Clear
3%
22°
38°
Sun
8/16
Mostly Clear
3%
24°
41°
Mon
8/17
Clear
24%
27°
39°
Tue
8/18
Clear
9%
23°
40°
Wed
8/19
Clear
35%
26°
39°
Thu
8/20
Clear
25%
21°
37°
Fri
8/21
Clear
60%
19°
36°
Sat
8/22
Drizzle
60%
17°
36°
Sun
8/23
Clear
60%
17°
36°
Mon
8/24
Clear
60%
19°
37°
Tue
8/25
Drizzle
60%
23°
37°
Wed
8/26
Drizzle
60%
24°
38°
Thu
8/27
Drizzle
60%
24°
38°
Fri
8/28
Drizzle
60%
24°
38°
49
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
49 AQI 9.0 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 49 Good 37 49
Sun 48 Good 35 48
Mon 46 Good 37 46
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 ven. août 14, 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
SBCAPE1821 J/kg
MLCAPE1250 J/kg
MUCAPE1821 J/kg
SBCIN-0 J/kg
MLCIN-27 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear9 kt
0–1 km Shear3 kt
Eff. Shear6 kt
0–1 km SRH6
0–3 km SRH24
Eff. SRH24
Storm Motion341° @ 10 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index18.3
Thermo & Levels
PWAT1.57 in
0–3 km LR7.9 °C/km
700–500 LR6.1 °C/km
Total Totals44.8
LCL801 hPa
LFC722 hPa
EL155 hPa
Freezing Lvl16,217 ft