Heat Advisory — St. James, LA, St. John The Baptist, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Southern Livingston, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA 7:00 PM

St. James Parish, Louisiana, United States

Last updated: 2:33 PM CDT  ·  Refresh
32°C
Feels like 38°
Rain
▲ 33°  /  ▼ 23°
Wind
6 mph SSW
Humidity
66%
Dew Point
25°
Pressure
30.07 inHg
Visibility
9 mi
UV Index
7.6
Cloud Cover
65%
Sunrise
6:04 AM
Sunset
8:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. James Parish is currently rain at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2874 J/kg) — isolated convective development possible. Sunrise: 6:04AM · Sunset: 8:08PM.

Alerts

Heat Advisory
St. James, LA, St. John The Baptist, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Southern Livingston, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA
Expires 7:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
49%
3 PM
33°
45%
4 PM
33°
8%
5 PM
33°
8%
6 PM
32°
5%
7 PM
31°
3%
8 PM
30°
3%
9 PM
27°
3%
10 PM
27°
3%
11 PM
26°
3%
12 AM
26°
3%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
24°
5%
5 AM
23°
20%
6 AM
24°
20%
7 AM
24°
20%
8 AM
26°
5%
9 AM
29°
5%
10 AM
30°
5%
11 AM
31°
5%
12 PM
31°
5%
1 PM
31°
6%
7-Day Forecast
Today
33° 23°
Rain, 49% chance.
Sun
34° 23°
Partly Cloudy with a 20% chance of rain.
Mon
35° 24°
Mostly Cloudy with a 38% chance of rain.
Tue
34° 22°
Partly Cloudy with a 71% chance of rain.
Wed
36° 23°
Rain, 90% chance.
Thu
35° 23°
Rain, 81% chance.
Fri
35° 23°
Drizzle, 68% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Rain 49% 6 mph SSW 66%
3 PM 33° Mostly Cloudy 45% 7 mph SSW 65%
4 PM 33° Partly Cloudy 8% 8 mph SSW 65%
5 PM 33° Mostly Clear 8% 8 mph SW 67%
6 PM 32° Mostly Clear 5% 7 mph SW 70%
7 PM 31° Clear 3% 6 mph SW 74%
8 PM 30° Clear 3% 6 mph SW 80%
9 PM 27° Clear 3% 6 mph SSW 84%
10 PM 27° Clear 3% 6 mph SSW 88%
11 PM 26° Clear 3% 5 mph SSW 90%
12 AM 26° Clear 3% 5 mph SSW 91%
1 AM 24° Clear 3% 4 mph S 93%
2 AM 24° Mostly Clear 3% 4 mph S 94%
3 AM 24° Mostly Clear 3% 3 mph S 96%
4 AM 24° Mostly Clear 5% 3 mph S 96%
5 AM 23° Partly Cloudy 20% 3 mph S 95%
6 AM 24° Partly Cloudy 20% 3 mph S 95%
7 AM 24° Partly Cloudy 20% 3 mph S 91%
8 AM 26° Partly Cloudy 5% 4 mph SSW 85%
9 AM 29° Partly Cloudy 5% 4 mph SW 80%
10 AM 30° Partly Cloudy 5% 4 mph SW 75%
11 AM 31° Partly Cloudy 5% 4 mph SSW 71%
12 PM 31° Partly Cloudy 5% 4 mph SSW 67%
1 PM 31° Partly Cloudy 6% 4 mph SSW 65%
15-Day Forecast
Today
6/27
Rain
49%
23°
33°
Sun
6/28
Partly Cloudy
20%
23°
34°
Mon
6/29
Mostly Cloudy
38%
24°
35°
Tue
6/30
Partly Cloudy
71%
22°
34°
Wed
7/1
Rain
90%
23°
36°
Thu
7/2
Rain
81%
23°
35°
Fri
7/3
Drizzle
68%
23°
35°
Sat
7/4
Rain
81%
23°
35°
Sun
7/5
Rain
90%
23°
35°
Mon
7/6
Drizzle
60%
23°
35°
Tue
7/7
Rain
90%
24°
34°
Wed
7/8
Drizzle
60%
24°
34°
Thu
7/9
Drizzle
60%
24°
34°
Fri
7/10
Rain
90%
24°
34°
Sat
7/11
Rain
90%
24°
34°
54
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
54 AQI 10.7 µg/m³
O3
Ground-level ozone
20 AQI 23 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 54 Moderate 20 54
Mon 54 Moderate 21 54
Tue 53 Moderate 26 53
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 Sat Jun 27, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4154 J/kg
MLCAPE3037 J/kg
MUCAPE4154 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-9.2
Kinematics
0–6 km Shear10 kt
0–1 km Shear8 kt
Eff. Shear10 kt
0–1 km SRH18
0–3 km SRH12
Eff. SRH12
Storm Motion9° @ 9 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.1
STP (eff)0.1
Supercell0.3
K-Index30.2
Thermo & Levels
PWAT2.09 in
0–3 km LR7.0 °C/km
700–500 LR6.3 °C/km
Total Totals49.2
LCL929 hPa
LFC1018 hPa
EL135 hPa
Freezing Lvl15,384 ft