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St. James Parish, Louisiana, United States

Last updated: 6:06 PM CDT  ·  Refresh
31°C
Feels like 37°
Partly Cloudy
▲ 34°  /  ▼ 25°
Wind
7 mph SSW
Humidity
71%
Dew Point
25°
Pressure
29.94 inHg
Visibility
10 mi
UV Index
4.4
Cloud Cover
44%
Sunrise
6:28 AM
Sunset
7:47 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. James Parish is currently partly cloudy at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3081 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 7:47PM.

34 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
12%
7 PM
31°
11%
8 PM
29°
11%
9 PM
28°
11%
10 PM
28°
13%
11 PM
28°
13%
12 AM
28°
11%
1 AM
27°
9%
2 AM
27°
9%
3 AM
27°
10%
4 AM
26°
10%
5 AM
25°
10%
6 AM
25°
5%
7 AM
25°
5%
8 AM
27°
7%
9 AM
29°
7%
10 AM
30°
7%
11 AM
31°
7%
12 PM
31°
7%
1 PM
33°
7%
2 PM
33°
10%
3 PM
33°
11%
4 PM
33°
8%
5 PM
32°
9%
7-Day Forecast
Tonight
34° 25°
Partly Cloudy.
Thu
35° 24°
Mostly Clear.
Fri
36° 23°
Partly Cloudy.
Sat
37° 23°
Mostly Clear with a 24% chance of rain.
Sun
38° 24°
Mostly Clear with a 25% chance of rain.
Mon
38° 24°
Mostly Cloudy with a 25% chance of rain.
Tue
38° 24°
Mostly Cloudy with a 24% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 12% 7 mph SSW 71%
7 PM 31° Partly Cloudy 11% 7 mph SSW 79%
8 PM 29° Mostly Cloudy 11% 6 mph SSW 82%
9 PM 28° Mostly Clear 11% 6 mph SSW 86%
10 PM 28° Mostly Clear 13% 5 mph SSW 88%
11 PM 28° Mostly Clear 13% 6 mph SSW 90%
12 AM 28° Mostly Clear 11% 6 mph SSW 91%
1 AM 27° Mostly Clear 9% 5 mph SSW 93%
2 AM 27° Mostly Clear 9% 5 mph SSW 93%
3 AM 27° Mostly Clear 10% 4 mph SSW 94%
4 AM 26° Mostly Clear 10% 4 mph SSW 94%
5 AM 25° Mostly Clear 10% 4 mph SW 93%
6 AM 25° Mostly Clear 5% 4 mph SW 93%
7 AM 25° Mostly Clear 5% 4 mph SW 92%
8 AM 27° Mostly Clear 7% 6 mph SW 84%
9 AM 29° Mostly Clear 7% 6 mph WSW 76%
10 AM 30° Mostly Clear 7% 7 mph WSW 70%
11 AM 31° Mostly Clear 7% 7 mph WSW 65%
12 PM 31° Mostly Clear 7% 6 mph WSW 62%
1 PM 33° Mostly Clear 7% 6 mph SW 59%
2 PM 33° Mostly Clear 10% 6 mph SW 58%
3 PM 33° Mostly Clear 11% 6 mph SW 56%
4 PM 33° Mostly Clear 8% 6 mph SW 56%
5 PM 32° Mostly Clear 9% 6 mph SSW 60%
15-Day Forecast
Today
8/12
Partly Cloudy
12%
25°
34°
Thu
8/13
Mostly Clear
11%
24°
35°
Fri
8/14
Partly Cloudy
18%
23°
36°
Sat
8/15
Mostly Clear
24%
23°
37°
Sun
8/16
Mostly Clear
25%
24°
38°
Mon
8/17
Mostly Cloudy
25%
24°
38°
Tue
8/18
Mostly Cloudy
24%
24°
38°
Wed
8/19
Partly Cloudy
27%
24°
38°
Thu
8/20
Drizzle
60%
24°
39°
Fri
8/21
Drizzle
50%
24°
39°
Sat
8/22
Rain
68%
24°
38°
Sun
8/23
Drizzle
60%
24°
37°
Mon
8/24
Drizzle
60%
24°
37°
Tue
8/25
Drizzle
60%
24°
37°
Wed
8/26
Drizzle
60%
24°
36°
34
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
34 AQI 6.1 µg/m³
O3
Ground-level ozone
21 AQI 24 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 34 Good 21 34
Fri 51 Moderate 25 51
Sat 54 Moderate 26 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 Wed Aug 12, 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
SBCAPE3664 J/kg
MLCAPE3821 J/kg
MUCAPE4447 J/kg
SBCIN-31 J/kg
MLCIN0 J/kg
Lifted Index-6.7
Kinematics
0–6 km Shear1 kt
0–1 km Shear4 kt
Eff. Shear7 kt
0–1 km SRH12
0–3 km SRH43
Eff. SRH43
Storm Motion84° @ 9 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.5
Thermo & Levels
PWAT2.24 in
0–3 km LR6.6 °C/km
700–500 LR5.4 °C/km
Total Totals47.4
LCL940 hPa
LFC878 hPa
EL140 hPa
Freezing Lvl16,870 ft