Dense Fog 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, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 10:00 AM

St. James Parish, Louisiana, United States

Last updated: 9:44 PM CDT  ·  Refresh
23°C
Feels like 25°
Clear
▲ 32°  /  ▼ 17°
Wind
5 mph S
Humidity
82%
Dew Point
19°
Pressure
30.05 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
7:03 AM
Sunset
6:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. James Parish is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:03AM · Sunset: 6:34PM.

Alerts

Dense Fog 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, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 10:00 AM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
3%
10 PM
22°
14%
11 PM
22°
8%
12 AM
21°
4%
1 AM
21°
5%
2 AM
20°
13%
3 AM
19°
15%
4 AM
19°
15%
5 AM
17°
15%
6 AM
17°
15%
7 AM
18°
15%
8 AM
19°
15%
9 AM
23°
15%
10 AM
24°
15%
11 AM
26°
3%
12 PM
27°
3%
1 PM
31°
3%
2 PM
32°
3%
3 PM
32°
3%
4 PM
32°
3%
5 PM
29°
3%
6 PM
28°
3%
7 PM
27°
3%
8 PM
25°
3%
7-Day Forecast
Tonight
32° 17°
Clear.
Wed
32° 17°
Fog.
Thu
34° 17°
Partly Cloudy.
Fri
34° 17°
Fog with a 35% chance of rain.
Sat
27° 13°
Clear.
Sun
29° 12°
Drizzle, 51% chance.
Mon
30° 19°
Rain, 42% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 3% 5 mph S 82%
10 PM 22° Clear 14% 5 mph S 87%
11 PM 22° Clear 8% 5 mph S 89%
12 AM 21° Mostly Clear 4% 5 mph S 92%
1 AM 21° Mostly Clear 5% 4 mph S 93%
2 AM 20° Mostly Clear 13% 2 mph SSE 93%
3 AM 19° Partly Cloudy 15% 2 mph SE 94%
4 AM 19° Haze 15% 2 mph ESE 94%
5 AM 17° Fog 15% 2 mph E 94%
6 AM 17° Fog 15% 2 mph E 94%
7 AM 18° Fog 15% 2 mph E 91%
8 AM 19° Fog 15% 2 mph E 86%
9 AM 23° Fog 15% 2 mph E 80%
10 AM 24° Partly Cloudy 15% 3 mph E 73%
11 AM 26° Partly Cloudy 3% 3 mph E 67%
12 PM 27° Partly Cloudy 3% 4 mph ESE 62%
1 PM 31° Mostly Clear 3% 4 mph ESE 58%
2 PM 32° Mostly Clear 3% 4 mph ESE 53%
3 PM 32° Clear 3% 4 mph ESE 49%
4 PM 32° Clear 3% 4 mph ESE 53%
5 PM 29° Clear 3% 5 mph ESE 59%
6 PM 28° Clear 3% 5 mph ESE 65%
7 PM 27° Clear 3% 4 mph ESE 70%
8 PM 25° Clear 3% 5 mph ESE 76%
15-Day Forecast
Today
10/13
Clear
3%
17°
32°
Wed
10/14
Fog
15%
17°
32°
Thu
10/15
Partly Cloudy
7%
17°
34°
Fri
10/16
Fog
35%
17°
34°
Sat
10/17
Clear
3%
13°
27°
Sun
10/18
Drizzle
51%
12°
29°
Mon
10/19
Rain
42%
19°
30°
Tue
10/20
Rain
72%
19°
30°
Wed
10/21
Drizzle
43%
17°
32°
Thu
10/22
Drizzle
44%
17°
32°
Fri
10/23
Drizzle
60%
17°
34°
Sat
10/24
Drizzle
60%
18°
32°
Sun
10/25
Clear
25%
17°
31°
Mon
10/26
Drizzle
60%
16°
30°
Tue
10/27
Drizzle
60%
16°
29°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 44 48
Thu 55 Moderate 51 55
Fri 52 Moderate 46 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 Tue Oct 13, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE14 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index3.4
Kinematics
0–6 km Shear23 kt
0–1 km Shear0 kt
Eff. Shear—
0–1 km SRH0
0–3 km SRH12
Eff. SRH—
Storm Motion88° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-13.8
Thermo & Levels
PWAT0.87 in
0–3 km LR3.4 °C/km
700–500 LR6.5 °C/km
Total Totals19.8
LCL962 hPa
LFC1017 hPa
EL1017 hPa
Freezing Lvl17,060 ft