Severe Thunderstorm Warning — St. Tammany County, LA, Washington County, LA, Hancock County, MS, Pearl River County, MS 5:45 PM Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM Extreme Heat Warning — 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, Lower 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, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM 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, Lower 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, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM

Pearl River County, Mississippi, United States

Last updated: 5:20 PM CDT  ·  Refresh
29°C
Feels like 36°
Rain
▲ 36°  /  ▼ 22°
Wind
6 mph NW
Humidity
82%
Dew Point
23°
Pressure
29.77 inHg
Visibility
10 mi
UV Index
2.9
Cloud Cover
87%
Sunrise
6:28 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Pearl River County is currently rain at 29°C. Precipitation is likely — peak probability 88% around 5 PM. Atmospheric instability is elevated (CAPE up to 2502 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 7:34PM.

Alerts

Severe Thunderstorm Warning
St. Tammany County, LA, Washington County, LA, Hancock County, MS, Pearl River County, MS
Expires 5:45 PM
Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
Extreme Heat Warning
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, Lower 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, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
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, Lower 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, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
87%
6 PM
26°
82%
7 PM
24°
72%
8 PM
23°
73%
9 PM
24°
55%
10 PM
23°
49%
11 PM
23°
39%
12 AM
23°
32%
1 AM
24°
16%
2 AM
23°
16%
3 AM
23°
12%
4 AM
23°
4%
5 AM
22°
5%
6 AM
22°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
33°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
34°
5%
4 PM
34°
5%
7-Day Forecast
Today
36° 22°
Rain, 87% chance.
Sat
37° 22°
Mostly Cloudy.
Sun
38° 24°
Partly Cloudy with a 25% chance of rain.
Mon
36° 23°
Mostly Cloudy with a 60% chance of rain.
Tue
33° 24°
Partly Cloudy with a 44% chance of rain.
Wed
34° 23°
Rain, 72% chance.
Thu
33° 24°
Drizzle, 56% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Rain 87% 6 mph NW 82%
6 PM 26° Thunderstorm 82% 3 mph SSW 87%
7 PM 24° Thunderstorm 72% 4 mph SSW 90%
8 PM 23° Heavy Rain 73% 5 mph SW 92%
9 PM 24° Overcast 55% 4 mph SW 93%
10 PM 23° Overcast 49% 4 mph SW 94%
11 PM 23° Overcast 39% 3 mph SW 94%
12 AM 23° Overcast 32% 3 mph SW 95%
1 AM 24° Overcast 16% 3 mph WSW 96%
2 AM 23° Overcast 16% 2 mph WSW 96%
3 AM 23° Overcast 12% 2 mph SW 96%
4 AM 23° Overcast 4% 3 mph SSW 96%
5 AM 22° Overcast 5% 3 mph SW 96%
6 AM 22° Overcast 3% 2 mph WSW 96%
7 AM 23° Overcast 3% 2 mph W 93%
8 AM 25° Overcast 3% 3 mph W 86%
9 AM 27° Overcast 3% 3 mph WNW 78%
10 AM 28° Overcast 3% 3 mph NW 70%
11 AM 29° Overcast 3% 3 mph NW 64%
12 PM 33° Mostly Cloudy 3% 3 mph NNW 58%
1 PM 34° Mostly Cloudy 3% 3 mph NNW 55%
2 PM 34° Mostly Cloudy 3% 3 mph NW 52%
3 PM 34° Mostly Cloudy 5% 3 mph NW 50%
4 PM 34° Mostly Cloudy 5% 2 mph NW 49%
15-Day Forecast
Today
8/21
Rain
87%
22°
36°
Sat
8/22
Mostly Cloudy
16%
22°
37°
Sun
8/23
Partly Cloudy
25%
24°
38°
Mon
8/24
Mostly Cloudy
60%
23°
36°
Tue
8/25
Partly Cloudy
44%
24°
33°
Wed
8/26
Rain
72%
23°
34°
Thu
8/27
Drizzle
56%
24°
33°
Fri
8/28
Rain
66%
23°
34°
Sat
8/29
Drizzle
54%
23°
33°
Sun
8/30
Drizzle
47%
23°
36°
Mon
8/31
Clear
25%
23°
35°
Tue
9/1
Drizzle
60%
23°
36°
Wed
9/2
Drizzle
60%
23°
36°
Thu
9/3
Drizzle
60%
23°
36°
Fri
9/4
Drizzle
60%
23°
35°
42
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
42 AQI 7.5 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 42 Good 31 42
Sun 45 Good 34 45
Mon 54 Moderate 38 54
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 21, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2148 J/kg
MLCAPE1810 J/kg
MUCAPE2784 J/kg
SBCIN-130 J/kg
MLCIN-120 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear19 kt
0–1 km Shear13 kt
Eff. Shear20 kt
0–1 km SRH33
0–3 km SRH131
Eff. SRH131
Storm Motion68° @ 11 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell3.7
K-Index25.6
Thermo & Levels
PWAT1.84 in
0–3 km LR6.4 °C/km
700–500 LR5.7 °C/km
Total Totals42.9
LCL922 hPa
LFC767 hPa
EL159 hPa
Freezing Lvl15,194 ft