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: 3:50 PM CDT  ·  Refresh
37°C
Feels like 39°
Mostly Clear
▲ 37°  /  ▼ 22°
Wind
8 mph SSW
Humidity
37%
Dew Point
20°
Pressure
29.60 inHg
Visibility
10 mi
UV Index
8.0
Cloud Cover
13%
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 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1221 J/kg) — isolated convective development possible. Sunrise: 6:18AM · Sunset: 7:46PM.

Alerts

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
Expires 8:00 PM
49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
33°
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
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
34°
3%
2 PM
34°
3%
7-Day Forecast
Today
37° 22°
Clear.
Sat
38° 22°
Clear.
Sun
41° 24°
Mostly Clear.
Mon
38° 27°
Clear with a 24% chance of rain.
Tue
41° 23°
Clear.
Wed
39° 26°
Clear with a 35% chance of rain.
Thu
37° 21°
Clear with a 25% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 37° Mostly Clear 3% 8 mph SSW 37%
4 PM 36° Clear 3% 8 mph SW 36%
5 PM 36° Clear 3% 7 mph SW 38%
6 PM 34° Clear 3% 6 mph SW 42%
7 PM 33° 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 62%
6 AM 23° Clear 3% 4 mph SW 64%
7 AM 24° Clear 3% 5 mph WSW 63%
8 AM 26° Clear 3% 6 mph WSW 59%
9 AM 28° Clear 3% 7 mph WSW 56%
10 AM 31° Clear 3% 7 mph WSW 52%
11 AM 32° Clear 3% 7 mph WSW 48%
12 PM 33° Clear 3% 6 mph WSW 44%
1 PM 34° Clear 3% 6 mph WSW 42%
2 PM 34° Mostly Clear 3% 6 mph WSW 42%
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°
38°
Tue
8/18
Clear
9%
23°
41°
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
Drizzle
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°
37°
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 Fri Aug 14, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1799 J/kg
MLCAPE635 J/kg
MUCAPE1799 J/kg
SBCIN0 J/kg
MLCIN-57 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear14 kt
0–1 km Shear3 kt
Eff. Shear11 kt
0–1 km SRH8
0–3 km SRH25
Eff. SRH25
Storm Motion11° @ 9 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index15.8
Thermo & Levels
PWAT1.45 in
0–3 km LR8.1 °C/km
700–500 LR6.1 °C/km
Total Totals45.1
LCL793 hPa
LFC1002 hPa
EL159 hPa
Freezing Lvl16,230 ft