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: 6:26 PM CDT  ·  Refresh
26°C
Feels like 31°
Thunderstorm
▲ 36°  /  ▼ 22°
Wind
5 mph WSW
Humidity
88%
Dew Point
23°
Pressure
29.78 inHg
Visibility
10 mi
UV Index
0.9
Cloud Cover
100%
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 thunderstorm at 26°C. Precipitation is likely — peak probability 82% around 6 PM. Atmospheric instability is elevated (CAPE up to 2617 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 7:34PM.

Alerts

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
26°
81%
7 PM
24°
71%
8 PM
24°
72%
9 PM
24°
47%
10 PM
24°
48%
11 PM
23°
38%
12 AM
23°
31%
1 AM
23°
16%
2 AM
23°
16%
3 AM
23°
12%
4 AM
23°
4%
5 AM
22°
4%
6 AM
22°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
26°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
33°
3%
2 PM
34°
3%
3 PM
34°
5%
4 PM
34°
5%
5 PM
33°
6%
7-Day Forecast
Tonight
36° 22°
Thunderstorm, 81% chance.
Sat
36° 22°
Partly Cloudy with a 31% chance of rain.
Sun
37° 24°
Mostly Clear with a 25% chance of rain.
Mon
32° 23°
Mostly Cloudy with a 60% chance of rain.
Tue
34° 23°
Drizzle, 48% chance.
Wed
35° 23°
Heavy Rain, 80% chance.
Thu
32° 23°
Rain, 66% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Thunderstorm 81% 5 mph WSW 88%
7 PM 24° Thunderstorm 71% 4 mph SW 90%
8 PM 24° Heavy Rain 72% 5 mph SW 92%
9 PM 24° Overcast 47% 4 mph SW 92%
10 PM 24° Overcast 48% 3 mph SW 93%
11 PM 23° Overcast 38% 3 mph WSW 94%
12 AM 23° Overcast 31% 4 mph WSW 96%
1 AM 23° Overcast 16% 3 mph WSW 96%
2 AM 23° Overcast 16% 3 mph WSW 96%
3 AM 23° Overcast 12% 2 mph WSW 96%
4 AM 23° Overcast 4% 3 mph SSW 96%
5 AM 22° Overcast 4% 2 mph SW 96%
6 AM 22° Overcast 3% 2 mph WSW 96%
7 AM 23° Mostly Cloudy 3% 2 mph WSW 93%
8 AM 25° Mostly Cloudy 3% 3 mph W 86%
9 AM 26° Mostly Cloudy 3% 3 mph WNW 78%
10 AM 28° Mostly Cloudy 3% 3 mph NW 72%
11 AM 29° Mostly Cloudy 3% 3 mph NW 66%
12 PM 31° Mostly Cloudy 3% 3 mph NNW 60%
1 PM 33° Mostly Cloudy 3% 3 mph NNW 56%
2 PM 34° Mostly Cloudy 3% 3 mph NNW 54%
3 PM 34° Partly Cloudy 5% 2 mph NW 51%
4 PM 34° Partly Cloudy 5% 2 mph NW 50%
5 PM 33° Partly Cloudy 6% 2 mph NNW 54%
15-Day Forecast
Today
8/21
Thunderstorm
81%
22°
36°
Sat
8/22
Partly Cloudy
31%
22°
36°
Sun
8/23
Mostly Clear
25%
24°
37°
Mon
8/24
Mostly Cloudy
60%
23°
32°
Tue
8/25
Drizzle
48%
23°
34°
Wed
8/26
Heavy Rain
80%
23°
35°
Thu
8/27
Rain
66%
23°
32°
Fri
8/28
Rain
66%
23°
34°
Sat
8/29
Rain
73%
23°
35°
Sun
8/30
Drizzle
54%
23°
36°
Mon
8/31
Clear
26%
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, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1350 J/kg
MLCAPE2259 J/kg
MUCAPE3448 J/kg
SBCIN-167 J/kg
MLCIN-79 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear8 kt
0–1 km Shear15 kt
Eff. Shear10 kt
0–1 km SRH30
0–3 km SRH30
Eff. SRH30
Storm Motion57° @ 11 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index41.8
Thermo & Levels
PWAT2.56 in
0–3 km LR5.4 °C/km
700–500 LR6.0 °C/km
Total Totals52.3
LCL965 hPa
LFC759 hPa
EL160 hPa
Freezing Lvl14,636 ft