Heat Advisory — St. John The Baptist, LA, Upper St. Bernard, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Southern Livingston, LA, Upper Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA 8:00 PM

St. John the Baptist Parish, Louisiana, United States

Last updated: 6:24 PM CDT  ·  Refresh
31°C
Feels like 38°
Mostly Clear
▲ 33°  /  ▼ 23°
Wind
4 mph W
Humidity
69%
Dew Point
25°
Pressure
30.06 inHg
Visibility
10 mi
UV Index
4.6
Cloud Cover
21%
Sunrise
6:01 AM
Sunset
8:06 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. John the Baptist Parish is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3788 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 8:06PM.

Alerts

Heat Advisory
St. John The Baptist, LA, Upper St. Bernard, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Southern Livingston, LA, Upper Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA
Expires 8:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
11%
7 PM
31°
26%
8 PM
30°
32%
9 PM
28°
23%
10 PM
27°
14%
11 PM
26°
7%
12 AM
26°
7%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
5%
4 AM
23°
5%
5 AM
24°
5%
6 AM
24°
5%
7 AM
25°
5%
8 AM
26°
12%
9 AM
28°
15%
10 AM
29°
18%
11 AM
29°
18%
12 PM
30°
18%
1 PM
29°
15%
2 PM
29°
18%
3 PM
29°
18%
4 PM
29°
18%
5 PM
29°
18%
7-Day Forecast
Tonight
33° 23°
Mostly Clear with a 23% chance of rain.
Wed
33° 23°
Partly Cloudy.
Thu
33° 23°
Partly Cloudy.
Fri
33° 23°
Partly Cloudy with a 37% chance of rain.
Sat
34° 23°
Drizzle, 53% chance.
Sun
34° 23°
Drizzle, 46% chance.
Mon
34° 23°
Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 11% 4 mph W 69%
7 PM 31° Clear 26% 4 mph WSW 73%
8 PM 30° Drizzle 32% 4 mph WSW 77%
9 PM 28° Drizzle 23% 5 mph WSW 80%
10 PM 27° Drizzle 14% 5 mph WSW 82%
11 PM 26° Clear 7% 5 mph WSW 83%
12 AM 26° Mostly Clear 7% 5 mph WSW 84%
1 AM 24° Mostly Clear 3% 6 mph WSW 86%
2 AM 24° Partly Cloudy 3% 6 mph WSW 89%
3 AM 24° Partly Cloudy 5% 5 mph W 91%
4 AM 23° Partly Cloudy 5% 4 mph W 92%
5 AM 24° Partly Cloudy 5% 4 mph W 93%
6 AM 24° Partly Cloudy 5% 4 mph W 93%
7 AM 25° Partly Cloudy 5% 5 mph WNW 91%
8 AM 26° Partly Cloudy 12% 5 mph WNW 86%
9 AM 28° Partly Cloudy 15% 5 mph WNW 82%
10 AM 29° Partly Cloudy 18% 6 mph WNW 78%
11 AM 29° Partly Cloudy 18% 5 mph WNW 74%
12 PM 30° Partly Cloudy 18% 5 mph WNW 68%
1 PM 29° Partly Cloudy 15% 5 mph NW 65%
2 PM 29° Partly Cloudy 18% 6 mph NW 64%
3 PM 29° Partly Cloudy 18% 6 mph NW 62%
4 PM 29° Partly Cloudy 18% 6 mph NW 63%
5 PM 29° Partly Cloudy 18% 5 mph NNW 66%
15-Day Forecast
Today
6/23
Mostly Clear
23%
23°
33°
Wed
6/24
Partly Cloudy
19%
23°
33°
Thu
6/25
Partly Cloudy
16%
23°
33°
Fri
6/26
Partly Cloudy
37%
23°
33°
Sat
6/27
Drizzle
53%
23°
34°
Sun
6/28
Drizzle
46%
23°
34°
Mon
6/29
Clear
21%
23°
34°
Tue
6/30
Rain
72%
23°
34°
Wed
7/1
Rain
68%
23°
33°
Thu
7/2
Rain
66%
24°
32°
Fri
7/3
Clear
52%
23°
35°
Sat
7/4
Drizzle
51%
23°
35°
Sun
7/5
Rain
90%
23°
36°
Mon
7/6
Drizzle
66%
23°
36°
Tue
7/7
Drizzle
66%
23°
36°
53
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
53 AQI 10.5 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 53 Moderate 24 53
Thu 71 Moderate 33 71
Fri 64 Moderate 25 64
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 Jun 23, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4010 J/kg
MLCAPE3174 J/kg
MUCAPE4010 J/kg
SBCIN-24 J/kg
MLCIN0 J/kg
Lifted Index-10.9
Kinematics
0–6 km Shear14 kt
0–1 km Shear5 kt
Eff. Shear3 kt
0–1 km SRH-14
0–3 km SRH-33
Eff. SRH-33
Storm Motion254° @ 21 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index23.7
Thermo & Levels
PWAT1.81 in
0–3 km LR6.2 °C/km
700–500 LR7.7 °C/km
Total Totals53.0
LCL929 hPa
LFC901 hPa
EL133 hPa
Freezing Lvl15,676 ft