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 Extreme Heat Watch 8:00 PM

Pearl River County, Mississippi, United States

Last updated: 10:05 PM CDT  ·  Refresh
29°C
Feels like 33°
Clear
▲ 36°  /  ▼ 23°
Wind
5 mph SSE
Humidity
67%
Dew Point
24°
Pressure
29.92 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
8%
Sunrise
6:24 AM
Sunset
7:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Pearl River County is currently clear at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2210 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 7:40PM.

49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
4%
11 PM
28°
23%
12 AM
27°
16%
1 AM
27°
4%
2 AM
26°
4%
3 AM
25°
4%
4 AM
25°
3%
5 AM
24°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
27°
10%
9 AM
29°
18%
10 AM
31°
22%
11 AM
32°
30%
12 PM
34°
31%
1 PM
36°
31%
2 PM
36°
31%
3 PM
35°
31%
4 PM
34°
24%
5 PM
36°
25%
6 PM
36°
15%
7 PM
35°
9%
8 PM
34°
9%
9 PM
29°
10%
7-Day Forecast
Tonight
36° 23°
Clear.
Sun
36° 23°
Partly Cloudy with a 31% chance of rain.
Mon
41° 24°
Partly Cloudy with a 69% chance of rain.
Tue
39° 24°
Clear with a 78% chance of rain.
Wed
39° 23°
Rain, 72% chance.
Thu
38° 22°
Drizzle, 64% chance.
Fri
38° 23°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Clear 4% 5 mph SSE 67%
11 PM 28° Clear 23% 4 mph S 74%
12 AM 27° Clear 16% 4 mph SSW 77%
1 AM 27° Clear 4% 4 mph SSW 84%
2 AM 26° Clear 4% 4 mph SW 88%
3 AM 25° Clear 4% 4 mph SW 91%
4 AM 25° Clear 3% 4 mph WSW 94%
5 AM 24° Clear 3% 4 mph WSW 93%
6 AM 23° Clear 3% 4 mph W 92%
7 AM 24° Mostly Clear 3% 4 mph WNW 91%
8 AM 27° Mostly Clear 10% 6 mph WNW 80%
9 AM 29° Mostly Clear 18% 6 mph NW 68%
10 AM 31° Mostly Clear 22% 6 mph NW 62%
11 AM 32° Partly Cloudy 30% 5 mph NW 55%
12 PM 34° Partly Cloudy 31% 3 mph NW 48%
1 PM 36° Partly Cloudy 31% 2 mph NNW 43%
2 PM 36° Partly Cloudy 31% 2 mph NNW 43%
3 PM 35° Partly Cloudy 31% 3 mph S 44%
4 PM 34° Partly Cloudy 24% 4 mph SSE 46%
5 PM 36° Partly Cloudy 25% 4 mph S 49%
6 PM 36° Mostly Cloudy 15% 3 mph S 52%
7 PM 35° Mostly Cloudy 9% 3 mph S 56%
8 PM 34° Mostly Cloudy 9% 3 mph SSW 60%
9 PM 29° Partly Cloudy 10% 3 mph SSW 65%
15-Day Forecast
Today
8/15
Clear
4%
23°
36°
Sun
8/16
Partly Cloudy
31%
23°
36°
Mon
8/17
Partly Cloudy
69%
24°
41°
Tue
8/18
Clear
78%
24°
39°
Wed
8/19
Rain
72%
23°
39°
Thu
8/20
Drizzle
64%
22°
38°
Fri
8/21
Rain
64%
23°
38°
Sat
8/22
Rain
63%
22°
36°
Sun
8/23
Rain
68%
21°
37°
Mon
8/24
Drizzle
44%
22°
37°
Tue
8/25
Clear
25%
21°
38°
Wed
8/26
Drizzle
60%
23°
38°
Thu
8/27
Drizzle
60%
23°
37°
Fri
8/28
Drizzle
60%
23°
37°
Sat
8/29
Drizzle
60%
23°
36°
49
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
49 AQI 8.9 µg/m³
O3
Ground-level ozone
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 49 Good 28 49
Mon 47 Good 25 47
Tue 52 Moderate 26 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 Sun Aug 16, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1832 J/kg
MLCAPE1838 J/kg
MUCAPE1913 J/kg
SBCIN-165 J/kg
MLCIN-70 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear21 kt
0–1 km Shear3 kt
Eff. Shear10 kt
0–1 km SRH22
0–3 km SRH49
Eff. SRH49
Storm Motion79° @ 18 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index18.9
Thermo & Levels
PWAT1.78 in
0–3 km LR5.7 °C/km
700–500 LR6.4 °C/km
Total Totals48.4
LCL931 hPa
LFC819 hPa
EL150 hPa
Freezing Lvl16,378 ft