Extreme Heat Warning — 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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN 8:00 PM Heat Advisory — 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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN 8:00 PM

Lafayette County, Mississippi, United States

Last updated: 12:37 AM CDT  ·  Refresh
27°C
Feels like 30°
Mostly Clear
▲ 36°  /  ▼ 25°
Wind
3 mph SW
Humidity
82%
Dew Point
25°
Pressure
29.46 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
10%
Sunrise
6:05 AM
Sunset
8:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2724 J/kg) — isolated convective development possible. Sunrise: 6:05AM · Sunset: 8:03PM.

Alerts

Extreme Heat Warning
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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 8:00 PM
Heat Advisory
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, Benton, TN, Chester, TN, Henderson, TN, Decatur, TN, Hardeman, TN, McNairy, TN, Hardin, TN
Expires 8:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
13%
1 AM
27°
13%
2 AM
26°
12%
3 AM
26°
12%
4 AM
26°
15%
5 AM
24°
15%
6 AM
24°
15%
7 AM
26°
16%
8 AM
28°
18%
9 AM
30°
18%
10 AM
32°
10%
11 AM
33°
10%
12 PM
34°
8%
1 PM
36°
8%
2 PM
36°
8%
3 PM
36°
8%
4 PM
36°
8%
5 PM
36°
8%
6 PM
35°
3%
7 PM
35°
3%
8 PM
34°
3%
9 PM
30°
3%
10 PM
29°
3%
11 PM
29°
3%
7-Day Forecast
Today
36° 25°
Mostly Clear.
Tue
38° 25°
Mostly Clear with a 26% chance of rain.
Wed
34° 22°
Partly Cloudy with a 42% chance of rain.
Thu
33° 20°
Clear with a 60% chance of rain.
Fri
32° 20°
Rain, 82% chance.
Sat
32° 21°
Drizzle, 70% chance.
Sun
29° 19°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 13% 3 mph SW 82%
1 AM 27° Mostly Clear 13% 4 mph SW 83%
2 AM 26° Mostly Clear 12% 4 mph SW 83%
3 AM 26° Mostly Clear 12% 4 mph WSW 82%
4 AM 26° Partly Cloudy 15% 4 mph WSW 82%
5 AM 24° Partly Cloudy 15% 4 mph WSW 82%
6 AM 24° Partly Cloudy 15% 4 mph WSW 83%
7 AM 26° Partly Cloudy 16% 5 mph W 79%
8 AM 28° Partly Cloudy 18% 6 mph W 71%
9 AM 30° Mostly Clear 18% 6 mph W 63%
10 AM 32° Mostly Clear 10% 6 mph W 58%
11 AM 33° Mostly Clear 10% 6 mph WNW 53%
12 PM 34° Clear 8% 7 mph WNW 48%
1 PM 36° Mostly Clear 8% 6 mph WNW 46%
2 PM 36° Mostly Clear 8% 6 mph WNW 44%
3 PM 36° Mostly Clear 8% 6 mph W 43%
4 PM 36° Mostly Clear 8% 6 mph W 44%
5 PM 36° Mostly Clear 8% 5 mph W 46%
6 PM 35° Mostly Clear 3% 5 mph W 49%
7 PM 35° Mostly Clear 3% 3 mph WSW 54%
8 PM 34° Mostly Clear 3% 2 mph SW 58%
9 PM 30° Mostly Clear 3% 3 mph S 62%
10 PM 29° Mostly Clear 3% 4 mph S 64%
11 PM 29° Mostly Clear 3% 4 mph SSW 65%
15-Day Forecast
Today
7/27
Mostly Clear
18%
25°
36°
Tue
7/28
Mostly Clear
26%
25°
38°
Wed
7/29
Partly Cloudy
42%
22°
34°
Thu
7/30
Clear
60%
20°
33°
Fri
7/31
Rain
82%
20°
32°
Sat
8/1
Drizzle
70%
21°
32°
Sun
8/2
Drizzle
53%
19°
29°
Mon
8/3
Rain
69%
19°
32°
Tue
8/4
Drizzle
44%
21°
33°
Wed
8/5
Rain
50%
22°
34°
Thu
8/6
Drizzle
68%
23°
33°
Fri
8/7
Drizzle
60%
23°
33°
Sat
8/8
Drizzle
60%
23°
33°
Sun
8/9
Drizzle
60%
23°
32°
Mon
8/10
Drizzle
60%
24°
33°
54
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
54 AQI 10.9 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 31 54
Tue 56 Moderate 36 56
Wed 48 Good 35 48
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 Mon Jul 27, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2202 J/kg
MLCAPE2452 J/kg
MUCAPE3128 J/kg
SBCIN-191 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear16 kt
0–1 km Shear10 kt
Eff. Shear24 kt
0–1 km SRH25
0–3 km SRH44
Eff. SRH44
Storm Motion293° @ 15 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell1.7
K-Index24.2
Thermo & Levels
PWAT1.61 in
0–3 km LR4.8 °C/km
700–500 LR5.7 °C/km
Total Totals42.6
LCL968 hPa
LFC735 hPa
EL153 hPa
Freezing Lvl17,172 ft