St. John the Baptist Parish, Louisiana, United States

Last updated: 1:14 PM CDT  ·  Refresh
32°C
Feels like 38°
Partly Cloudy
▲ 34°  /  ▼ 24°
Wind
6 mph SW
Humidity
65%
Dew Point
25°
Pressure
30.08 inHg
Visibility
10 mi
UV Index
9.0
Cloud Cover
49%
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 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2894 J/kg) — isolated convective development possible. Sunrise: 6:03AM · Sunset: 8:07PM.

Alerts

No active alerts for this location.
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
49%
2 PM
33°
29%
3 PM
33°
29%
4 PM
33°
28%
5 PM
34°
27%
6 PM
33°
24%
7 PM
32°
8%
8 PM
31°
8%
9 PM
28°
23%
10 PM
28°
8%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
25°
3%
4 AM
25°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
26°
9%
9 AM
29°
10%
10 AM
29°
10%
11 AM
30°
10%
12 PM
31°
10%
7-Day Forecast
Today
34° 24°
Partly Cloudy with a 49% chance of rain.
Sun
34° 24°
Partly Cloudy.
Mon
34° 24°
Partly Cloudy.
Tue
34° 24°
Mostly Clear with a 78% chance of rain.
Wed
34° 24°
Rain, 90% chance.
Thu
35° 24°
Rain, 90% chance.
Fri
35° 24°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 49% 6 mph SW 65%
2 PM 33° Partly Cloudy 29% 6 mph SW 66%
3 PM 33° Mostly Cloudy 29% 8 mph SSW 66%
4 PM 33° Partly Cloudy 28% 9 mph SSW 66%
5 PM 34° Mostly Clear 27% 8 mph SW 68%
6 PM 33° Mostly Clear 24% 8 mph SW 69%
7 PM 32° Mostly Clear 8% 7 mph SW 72%
8 PM 31° Mostly Clear 8% 7 mph SW 78%
9 PM 28° Partly Cloudy 23% 8 mph SSW 82%
10 PM 28° Mostly Clear 8% 7 mph SSW 86%
11 PM 27° Clear 3% 7 mph SSW 88%
12 AM 27° Clear 3% 6 mph SSW 90%
1 AM 26° Clear 3% 6 mph SSW 91%
2 AM 25° Mostly Clear 3% 6 mph SSW 92%
3 AM 25° Mostly Clear 3% 5 mph SSW 92%
4 AM 25° Mostly Clear 3% 5 mph SSW 93%
5 AM 24° Partly Cloudy 3% 4 mph SSW 93%
6 AM 24° Partly Cloudy 3% 3 mph SSW 93%
7 AM 25° Partly Cloudy 3% 3 mph SSW 92%
8 AM 26° Partly Cloudy 9% 3 mph SW 87%
9 AM 29° Partly Cloudy 10% 4 mph SW 82%
10 AM 29° Partly Cloudy 10% 4 mph SW 78%
11 AM 30° Partly Cloudy 10% 4 mph SW 75%
12 PM 31° Partly Cloudy 10% 4 mph SW 71%
15-Day Forecast
Today
6/27
Partly Cloudy
49%
24°
34°
Sun
6/28
Partly Cloudy
11%
24°
34°
Mon
6/29
Partly Cloudy
3%
24°
34°
Tue
6/30
Mostly Clear
78%
24°
34°
Wed
7/1
Rain
90%
24°
34°
Thu
7/2
Rain
90%
24°
35°
Fri
7/3
Drizzle
60%
24°
35°
Sat
7/4
Drizzle
68%
24°
36°
Sun
7/5
Rain
90%
23°
35°
Mon
7/6
Rain
75%
24°
34°
Tue
7/7
Rain
90%
24°
34°
Wed
7/8
Drizzle
60%
23°
34°
Thu
7/9
Drizzle
60%
24°
34°
Fri
7/10
Drizzle
60%
24°
34°
Sat
7/11
Drizzle
60%
24°
35°
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, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3942 J/kg
MLCAPE2389 J/kg
MUCAPE3942 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-9.4
Kinematics
0–6 km Shear12 kt
0–1 km Shear6 kt
Eff. Shear12 kt
0–1 km SRH15
0–3 km SRH6
Eff. SRH6
Storm Motion334° @ 12 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.2
K-Index24.9
Thermo & Levels
PWAT1.90 in
0–3 km LR6.8 °C/km
700–500 LR6.7 °C/km
Total Totals48.3
LCL923 hPa
LFC1019 hPa
EL139 hPa
Freezing Lvl15,351 ft