Heat Advisory — Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, 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, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN 7:00 PM

Lafayette County, Mississippi, United States

Last updated: 3:49 PM CDT  ·  Refresh
93°F
Feels like 102°
Partly Cloudy
▲ 96°  /  ▼ 70°
Wind
4 mph WSW
Humidity
54%
Dew Point
70°
Pressure
29.51 inHg
Visibility
10 mi
UV Index
6.8
Cloud Cover
42%
Sunrise
6:39 AM
Sunset
7:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently partly cloudy at 93°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1568 J/kg) — isolated convective development possible. Sunrise: 6:39AM · Sunset: 7:07PM.

Alerts

Heat Advisory
Pemiscot, MO, Marshall, MS, Benton, MS, Tippah, MS, Alcorn, MS, Tishomingo, MS, Prentiss, 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, Haywood, TN, Crockett, TN, Madison, TN, Chester, TN, Henderson, TN, Decatur, TN, Fayette, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 7:00 PM
40 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
93°
7%
4 PM
90°
13%
5 PM
92°
13%
6 PM
88°
10%
7 PM
86°
10%
8 PM
83°
11%
9 PM
79°
17%
10 PM
78°
17%
11 PM
77°
18%
12 AM
76°
26%
1 AM
74°
26%
2 AM
74°
23%
3 AM
73°
18%
4 AM
73°
9%
5 AM
72°
5%
6 AM
71°
5%
7 AM
74°
12%
8 AM
77°
22%
9 AM
78°
23%
10 AM
83°
20%
11 AM
85°
21%
12 PM
87°
21%
1 PM
90°
21%
2 PM
90°
22%
7-Day Forecast
Today
96° 70°
Partly Cloudy.
Mon
99° 71°
Mostly Clear with a 28% chance of rain.
Tue
101° 74°
Clear.
Wed
98° 75°
Partly Cloudy.
Thu
101° 73°
Clear.
Fri
100° 72°
Clear.
Sat
98° 71°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 93° Partly Cloudy 7% 4 mph WSW 54%
4 PM 90° Partly Cloudy 13% 4 mph WNW 58%
5 PM 92° Partly Cloudy 13% 3 mph NW 58%
6 PM 88° Mostly Clear 10% 4 mph N 60%
7 PM 86° Partly Cloudy 10% 4 mph N 65%
8 PM 83° Partly Cloudy 11% 4 mph NNE 70%
9 PM 79° Partly Cloudy 17% 4 mph WSW 76%
10 PM 78° Partly Cloudy 17% 4 mph SSE 79%
11 PM 77° Partly Cloudy 18% 3 mph SSE 82%
12 AM 76° Partly Cloudy 26% 2 mph SSE 84%
1 AM 74° Partly Cloudy 26% 2 mph S 87%
2 AM 74° Partly Cloudy 23% 2 mph ESE 88%
3 AM 73° Partly Cloudy 18% 2 mph NNE 89%
4 AM 73° Partly Cloudy 9% 2 mph NNE 90%
5 AM 72° Mostly Clear 5% 2 mph NE 91%
6 AM 71° Mostly Clear 5% 2 mph ENE 92%
7 AM 74° Mostly Clear 12% 2 mph ENE 86%
8 AM 77° Clear 22% 2 mph E 76%
9 AM 78° Clear 23% 2 mph E 68%
10 AM 83° Clear 20% 2 mph E 63%
11 AM 85° Clear 21% 2 mph ESE 58%
12 PM 87° Clear 21% 3 mph ESE 53%
1 PM 90° Mostly Clear 21% 3 mph ESE 52%
2 PM 90° Partly Cloudy 22% 3 mph ESE 52%
15-Day Forecast
Today
9/13
Partly Cloudy
17%
70°
96°
Mon
9/14
Mostly Clear
28%
71°
99°
Tue
9/15
Clear
3%
74°
101°
Wed
9/16
Partly Cloudy
3%
75°
98°
Thu
9/17
Clear
3%
73°
101°
Fri
9/18
Clear
19%
72°
100°
Sat
9/19
Clear
9%
71°
98°
Sun
9/20
Clear
60%
68°
95°
Mon
9/21
Drizzle
60%
68°
93°
Tue
9/22
Drizzle
60%
58°
88°
Wed
9/23
Drizzle
60%
52°
86°
Thu
9/24
Clear
60%
65°
87°
Fri
9/25
Clear
60%
65°
87°
Sat
9/26
Clear
25%
64°
87°
Sun
9/27
Clear
60%
64°
88°
40
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
32 AQI 5.8 µg/m³
O3
Ground-level ozone
Dominant
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 40 Good 40 32
Tue 37 Good 37 34
Wed 52 Moderate 37 52
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 Sun Sep 13, 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
SBCAPE1912 J/kg
MLCAPE1547 J/kg
MUCAPE1912 J/kg
SBCIN-28 J/kg
MLCIN-29 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear9 kt
0–1 km Shear2 kt
Eff. Shear4 kt
0–1 km SRH9
0–3 km SRH34
Eff. SRH34
Storm Motion29° @ 15 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.3
Thermo & Levels
PWAT1.78 in
0–3 km LR8.0 °C/km
700–500 LR5.5 °C/km
Total Totals47.4
LCL834 hPa
LFC795 hPa
EL150 hPa
Freezing Lvl15,256 ft