Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Southern Hancock, MS 7:00 PM

Pearl River County, Mississippi, United States

Last updated: 9:48 AM CDT  ·  Refresh
28°C
Feels like 32°
Clear
▲ 37°  /  ▼ 24°
Wind
4 mph N
Humidity
74%
Dew Point
25°
Pressure
29.74 inHg
Visibility
7 mi
UV Index
7.2
Cloud Cover
2%
Sunrise
6:38 AM
Sunset
7:13 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Pearl River County is currently clear at 29°C. Precipitation is likely — peak probability 54% around 8 PM. Atmospheric instability is elevated (CAPE up to 3104 J/kg) — isolated convective development possible. Sunrise: 6:38AM · Sunset: 7:13PM.

Alerts

Heat Advisory
Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Southern Hancock, MS
Expires 7:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
16%
10 AM
29°
29%
11 AM
31°
40%
12 PM
32°
36%
1 PM
34°
29%
2 PM
34°
36%
3 PM
34°
26%
4 PM
33°
49%
5 PM
33°
54%
6 PM
32°
54%
7 PM
31°
54%
8 PM
29°
54%
9 PM
27°
54%
10 PM
27°
45%
11 PM
26°
36%
12 AM
26°
14%
1 AM
25°
15%
2 AM
25°
18%
3 AM
25°
18%
4 AM
25°
18%
5 AM
24°
18%
6 AM
24°
18%
7 AM
24°
34%
8 AM
26°
44%
7-Day Forecast
Today
37° 24°
Mostly Clear with a 54% chance of rain.
Tue
36° 24°
Partly Cloudy with a 69% chance of rain.
Wed
34° 22°
Partly Cloudy with a 77% chance of rain.
Thu
32° 22°
Mostly Cloudy with a 90% chance of rain.
Fri
34° 22°
Rain, 72% chance.
Sat
34° 22°
Heavy Rain, 90% chance.
Sun
34° 22°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 16% 4 mph N 76%
10 AM 29° Clear 29% 4 mph N 69%
11 AM 31° Clear 40% 3 mph N 63%
12 PM 32° Mostly Clear 36% 2 mph ENE 57%
1 PM 34° Mostly Clear 29% 3 mph E 55%
2 PM 34° Mostly Clear 36% 3 mph E 53%
3 PM 34° Mostly Clear 26% 4 mph SE 51%
4 PM 33° Mostly Clear 49% 4 mph SSE 54%
5 PM 33° Mostly Clear 54% 3 mph S 62%
6 PM 32° Mostly Clear 54% 4 mph S 70%
7 PM 31° Partly Cloudy 54% 4 mph S 76%
8 PM 29° Partly Cloudy 54% 4 mph S 80%
9 PM 27° Partly Cloudy 54% 4 mph S 83%
10 PM 27° Mostly Cloudy 45% 5 mph SSE 84%
11 PM 26° Mostly Cloudy 36% 4 mph SSE 85%
12 AM 26° Partly Cloudy 14% 3 mph SE 86%
1 AM 25° Partly Cloudy 15% 3 mph SE 87%
2 AM 25° Partly Cloudy 18% 3 mph SE 88%
3 AM 25° Partly Cloudy 18% 4 mph ESE 89%
4 AM 25° Partly Cloudy 18% 4 mph ESE 90%
5 AM 24° Partly Cloudy 18% 4 mph ESE 91%
6 AM 24° Partly Cloudy 18% 4 mph ESE 92%
7 AM 24° Partly Cloudy 34% 4 mph ESE 88%
8 AM 26° Partly Cloudy 44% 5 mph ESE 82%
15-Day Forecast
Today
9/7
Mostly Clear
54%
24°
37°
Tue
9/8
Partly Cloudy
69%
24°
36°
Wed
9/9
Partly Cloudy
77%
22°
34°
Thu
9/10
Mostly Cloudy
90%
22°
32°
Fri
9/11
Rain
72%
22°
34°
Sat
9/12
Heavy Rain
90%
22°
34°
Sun
9/13
Rain
82%
22°
34°
Mon
9/14
Rain
69%
22°
34°
Tue
9/15
Rain
68%
22°
34°
Wed
9/16
Drizzle
51%
22°
34°
Thu
9/17
Drizzle
60%
22°
33°
Fri
9/18
Drizzle
60%
22°
33°
Sat
9/19
Drizzle
60%
21°
32°
Sun
9/20
Drizzle
60%
21°
32°
Mon
9/21
Drizzle
60%
20°
32°
44
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
44 AQI 7.9 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 44 Good 31 44
Wed 39 Good 36 39
Thu 28 Good 28 17
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 Sep 7, 13:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2745 J/kg
MLCAPE1868 J/kg
MUCAPE2745 J/kg
SBCIN-66 J/kg
MLCIN-77 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear12 kt
0–1 km Shear6 kt
Eff. Shear20 kt
0–1 km SRH20
0–3 km SRH16
Eff. SRH16
Storm Motion78° @ 14 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.4
K-Index33.6
Thermo & Levels
PWAT2.05 in
0–3 km LR5.7 °C/km
700–500 LR6.1 °C/km
Total Totals49.5
LCL959 hPa
LFC851 hPa
EL144 hPa
Freezing Lvl15,561 ft