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. John the Baptist Parish, Louisiana, United States

Last updated: 4:28 PM CDT  ·  Refresh
31°C
Feels like 37°
Partly Cloudy
▲ 34°  /  ▼ 23°
Wind
7 mph SSW
Humidity
67%
Dew Point
25°
Pressure
30.04 inHg
Visibility
6 mi
UV Index
6.9
Cloud Cover
52%
Sunrise
6:03 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. John the Baptist Parish is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3007 J/kg) — isolated convective development possible. Sunrise: 6:03AM · Sunset: 8:07PM.

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
31°
49%
5 PM
34°
44%
6 PM
33°
25%
7 PM
32°
23%
8 PM
31°
41%
9 PM
28°
23%
10 PM
28°
23%
11 PM
27°
23%
12 AM
27°
16%
1 AM
25°
3%
2 AM
25°
3%
3 AM
25°
3%
4 AM
25°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
26°
3%
8 AM
27°
9%
9 AM
28°
12%
10 AM
29°
12%
11 AM
31°
12%
12 PM
32°
12%
1 PM
32°
13%
2 PM
32°
13%
3 PM
32°
13%
7-Day Forecast
Today
34° 23°
Partly Cloudy with a 49% chance of rain.
Sun
36° 23°
Mostly Clear.
Mon
34° 24°
Partly Cloudy.
Tue
34° 24°
Clear with a 71% chance of rain.
Wed
36° 24°
Rain, 90% chance.
Thu
35° 24°
Drizzle, 60% chance.
Fri
36° 24°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 49% 7 mph SSW 67%
5 PM 34° Mostly Clear 44% 8 mph SW 68%
6 PM 33° Mostly Clear 25% 7 mph SW 70%
7 PM 32° Mostly Clear 23% 6 mph SW 74%
8 PM 31° Mostly Clear 41% 6 mph SSW 79%
9 PM 28° Mostly Clear 23% 7 mph SSW 83%
10 PM 28° Clear 23% 7 mph SSW 86%
11 PM 27° Clear 23% 7 mph SSW 88%
12 AM 27° Clear 16% 7 mph SSW 90%
1 AM 25° Clear 3% 6 mph SSW 91%
2 AM 25° Mostly Clear 3% 6 mph SSW 91%
3 AM 25° Mostly Clear 3% 5 mph SSW 92%
4 AM 25° Mostly Clear 3% 5 mph SSW 92%
5 AM 24° Mostly Clear 3% 5 mph SSW 91%
6 AM 24° Mostly Clear 3% 5 mph SSW 90%
7 AM 26° Mostly Clear 3% 4 mph SSW 88%
8 AM 27° Mostly Clear 9% 5 mph SSW 83%
9 AM 28° Partly Cloudy 12% 5 mph SW 79%
10 AM 29° Partly Cloudy 12% 5 mph SW 75%
11 AM 31° Partly Cloudy 12% 4 mph SSW 71%
12 PM 32° Mostly Clear 12% 4 mph SSW 68%
1 PM 32° Mostly Clear 13% 3 mph SSW 66%
2 PM 32° Mostly Clear 13% 3 mph S 64%
3 PM 32° Mostly Clear 13% 4 mph S 63%
15-Day Forecast
Today
6/27
Partly Cloudy
49%
23°
34°
Sun
6/28
Mostly Clear
14%
23°
36°
Mon
6/29
Partly Cloudy
8%
24°
34°
Tue
6/30
Clear
71%
24°
34°
Wed
7/1
Rain
90%
24°
36°
Thu
7/2
Drizzle
60%
24°
35°
Fri
7/3
Drizzle
60%
24°
36°
Sat
7/4
Drizzle
60%
24°
35°
Sun
7/5
Drizzle
60%
24°
35°
Mon
7/6
Drizzle
60%
24°
35°
Tue
7/7
Drizzle
75%
24°
34°
Wed
7/8
Drizzle
60%
24°
34°
Thu
7/9
Rain
90%
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 10.9 µg/m³
O3
Ground-level ozone
23 AQI 25 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 54 Moderate 23 54
Mon 55 Moderate 29 55
Tue 55 Moderate 41 55
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3845 J/kg
MLCAPE2935 J/kg
MUCAPE3845 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-8.2
Kinematics
0–6 km Shear8 kt
0–1 km Shear7 kt
Eff. Shear10 kt
0–1 km SRH33
0–3 km SRH3
Eff. SRH3
Storm Motion305° @ 13 kt
0–1 km EHI0.8
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.1
K-Index27.7
Thermo & Levels
PWAT2.19 in
0–3 km LR6.4 °C/km
700–500 LR6.3 °C/km
Total Totals48.6
LCL933 hPa
LFC1017 hPa
EL141 hPa
Freezing Lvl15,358 ft