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Pearl River County, Mississippi, United States

Last updated: 2:59 PM CDT  ·  Refresh
34°C
Feels like 42°
Partly Cloudy
▲ 36°  /  ▼ 23°
Wind
4 mph W
Humidity
55%
Dew Point
22°
Pressure
29.79 inHg
Visibility
10 mi
UV Index
8.3
Cloud Cover
41%
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 partly cloudy at 35°C. Precipitation is likely — peak probability 80% around 5 PM. Atmospheric instability is elevated (CAPE up to 2099 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 7:34PM.

42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
43%
3 PM
31°
68%
4 PM
29°
67%
5 PM
26°
80%
6 PM
26°
68%
7 PM
26°
68%
8 PM
25°
64%
9 PM
25°
50%
10 PM
24°
24%
11 PM
24°
24%
12 AM
24°
9%
1 AM
24°
9%
2 AM
24°
9%
3 AM
24°
9%
4 AM
23°
9%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
29°
3%
10 AM
30°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
34°
3%
7-Day Forecast
Today
36° 23°
Rain, 80% chance.
Sat
38° 23°
Mostly Cloudy.
Sun
38° 23°
Mostly Clear with a 36% chance of rain.
Mon
35° 23°
Mostly Cloudy with a 63% chance of rain.
Tue
33° 23°
Drizzle, 42% chance.
Wed
35° 23°
Rain, 70% chance.
Thu
33° 24°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Partly Cloudy 43% 4 mph W 55%
3 PM 31° Overcast 68% 8 mph W 70%
4 PM 29° Overcast 67% 6 mph SW 73%
5 PM 26° Rain 80% 6 mph SSW 77%
6 PM 26° Overcast 68% 3 mph S 80%
7 PM 26° Rain 68% 4 mph WNW 81%
8 PM 25° Rain 64% 3 mph SW 80%
9 PM 25° Rain 50% 4 mph SSW 82%
10 PM 24° Mostly Cloudy 24% 3 mph SW 84%
11 PM 24° Mostly Cloudy 24% 2 mph SW 85%
12 AM 24° Mostly Cloudy 9% 2 mph SW 87%
1 AM 24° Mostly Cloudy 9% 2 mph WSW 87%
2 AM 24° Mostly Cloudy 9% 2 mph WSW 88%
3 AM 24° Mostly Cloudy 9% 3 mph WSW 88%
4 AM 23° Mostly Cloudy 9% 3 mph SW 88%
5 AM 23° Mostly Cloudy 3% 2 mph W 88%
6 AM 23° Mostly Cloudy 3% 2 mph WNW 88%
7 AM 24° Mostly Cloudy 3% 3 mph WNW 81%
8 AM 26° Mostly Cloudy 3% 2 mph NNW 73%
9 AM 29° Mostly Cloudy 3% 3 mph NNW 66%
10 AM 30° Mostly Cloudy 3% 3 mph NNW 61%
11 AM 32° Mostly Cloudy 3% 3 mph NNW 56%
12 PM 33° Partly Cloudy 3% 3 mph NNW 52%
1 PM 34° Mostly Cloudy 3% 4 mph NNW 49%
15-Day Forecast
Today
8/21
Rain
80%
23°
36°
Sat
8/22
Mostly Cloudy
9%
23°
38°
Sun
8/23
Mostly Clear
36%
23°
38°
Mon
8/24
Mostly Cloudy
63%
23°
35°
Tue
8/25
Drizzle
42%
23°
33°
Wed
8/26
Rain
70%
23°
35°
Thu
8/27
Drizzle
52%
24°
33°
Fri
8/28
Rain
63%
23°
36°
Sat
8/29
Drizzle
44%
23°
33°
Sun
8/30
Drizzle
44%
23°
36°
Mon
8/31
Clear
25%
23°
34°
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%
22°
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, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2899 J/kg
MLCAPE2477 J/kg
MUCAPE2899 J/kg
SBCIN-58 J/kg
MLCIN-30 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear15 kt
0–1 km Shear0 kt
Eff. Shear10 kt
0–1 km SRH1
0–3 km SRH42
Eff. SRH42
Storm Motion57° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.8
Thermo & Levels
PWAT2.08 in
0–3 km LR8.0 °C/km
700–500 LR6.1 °C/km
Total Totals51.1
LCL843 hPa
LFC802 hPa
EL150 hPa
Freezing Lvl14,993 ft