Excessive Heat 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

Pearl River County, Mississippi, United States

Last updated: 10:54 PM CDT  ·  Refresh
24°C
Feels like 29°
Partly Cloudy
▲ 36°  /  ▼ 23°
Wind
3 mph WSW
Humidity
86%
Dew Point
22°
Pressure
29.87 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
57%
Sunrise
6:25 AM
Sunset
7:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Pearl River County is currently partly cloudy at 25°C. Precipitation is likely — peak probability 55% around 2 PM. Atmospheric instability is elevated (CAPE up to 2454 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 7:39PM.

52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
8%
11 PM
24°
16%
12 AM
24°
7%
1 AM
24°
3%
2 AM
24°
4%
3 AM
24°
4%
4 AM
24°
4%
5 AM
23°
4%
6 AM
23°
8%
7 AM
26°
13%
8 AM
28°
13%
9 AM
29°
10%
10 AM
31°
35%
11 AM
33°
36%
12 PM
34°
36%
1 PM
34°
47%
2 PM
33°
54%
3 PM
32°
54%
4 PM
31°
45%
5 PM
32°
34%
6 PM
32°
30%
7 PM
32°
28%
8 PM
31°
28%
9 PM
28°
28%
7-Day Forecast
Tonight
36° 23°
Partly Cloudy.
Mon
36° 23°
Partly Cloudy with a 47% chance of rain.
Tue
41° 24°
Mostly Clear with a 59% chance of rain.
Wed
39° 24°
Mostly Clear with a 57% chance of rain.
Thu
39° 23°
Rain, 64% chance.
Fri
37° 22°
Rain, 82% chance.
Sat
37° 22°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 8% 3 mph WSW 86%
11 PM 24° Mostly Cloudy 16% 3 mph SSW 88%
12 AM 24° Partly Cloudy 7% 4 mph S 90%
1 AM 24° Clear 3% 3 mph SW 90%
2 AM 24° Clear 4% 4 mph SW 91%
3 AM 24° Clear 4% 4 mph WSW 91%
4 AM 24° Clear 4% 4 mph WSW 92%
5 AM 23° Clear 4% 4 mph W 93%
6 AM 23° Clear 8% 4 mph W 94%
7 AM 26° Clear 13% 5 mph W 86%
8 AM 28° Clear 13% 6 mph WNW 77%
9 AM 29° Mostly Clear 10% 6 mph WNW 69%
10 AM 31° Mostly Clear 35% 6 mph WNW 61%
11 AM 33° Mostly Clear 36% 5 mph WNW 54%
12 PM 34° Mostly Clear 36% 4 mph WNW 46%
1 PM 34° Partly Cloudy 47% 3 mph W 50%
2 PM 33° Partly Cloudy 54% 4 mph W 57%
3 PM 32° Mostly Cloudy 54% 4 mph WNW 63%
4 PM 31° Mostly Cloudy 45% 4 mph WSW 66%
5 PM 32° Mostly Cloudy 34% 4 mph SW 69%
6 PM 32° Mostly Cloudy 30% 5 mph SSW 71%
7 PM 32° Mostly Cloudy 28% 4 mph SSW 72%
8 PM 31° Partly Cloudy 28% 4 mph SSW 72%
9 PM 28° Partly Cloudy 28% 5 mph SSW 73%
15-Day Forecast
Today
8/16
Partly Cloudy
8%
23°
36°
Mon
8/17
Partly Cloudy
47%
23°
36°
Tue
8/18
Mostly Clear
59%
24°
41°
Wed
8/19
Mostly Clear
57%
24°
39°
Thu
8/20
Rain
64%
23°
39°
Fri
8/21
Rain
82%
22°
37°
Sat
8/22
Rain
82%
22°
37°
Sun
8/23
Rain
28%
21°
37°
Mon
8/24
Thunderstorm
44%
23°
37°
Tue
8/25
Rain
68%
23°
37°
Wed
8/26
Drizzle
60%
23°
37°
Thu
8/27
Drizzle
60%
23°
38°
Fri
8/28
Drizzle
60%
23°
38°
Sat
8/29
Drizzle
60%
23°
37°
Sun
8/30
Drizzle
60%
23°
36°
52
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
52 AQI 9.6 µg/m³
O3
Ground-level ozone
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 26 52
Tue 52 Moderate 28 52
Wed 52 Moderate 30 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 Mon Aug 17, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE185 J/kg
MLCAPE543 J/kg
MUCAPE704 J/kg
SBCIN-395 J/kg
MLCIN-205 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear8 kt
0–1 km Shear7 kt
Eff. Shear6 kt
0–1 km SRH-7
0–3 km SRH56
Eff. SRH72
Storm Motion109° @ 15 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.9
Thermo & Levels
PWAT2.10 in
0–3 km LR4.5 °C/km
700–500 LR5.4 °C/km
Total Totals45.4
LCL978 hPa
LFC648 hPa
EL275 hPa
Freezing Lvl16,421 ft