Wind 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, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 3:00 PM

St. John the Baptist Parish, Louisiana, United States

Last updated: 2:42 AM CDT  ·  Refresh
21°C
Feels like 23°
Mostly Clear
▲ 32°  /  ▼ 12°
Wind
2 mph NW
Humidity
89%
Dew Point
20°
Pressure
30.04 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
13%
Sunrise
7:04 AM
Sunset
6:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: St. John the Baptist Parish is currently mostly clear at 21°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:04AM · Sunset: 6:30PM.

Alerts

Wind 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, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 3:00 PM
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
3%
3 AM
22°
3%
4 AM
21°
3%
5 AM
19°
5%
6 AM
19°
5%
7 AM
19°
6%
8 AM
21°
15%
9 AM
24°
15%
10 AM
26°
15%
11 AM
27°
6%
12 PM
28°
6%
1 PM
32°
7%
2 PM
32°
9%
3 PM
32°
13%
4 PM
31°
17%
5 PM
28°
13%
6 PM
26°
3%
7 PM
25°
3%
8 PM
24°
3%
9 PM
20°
3%
10 PM
19°
3%
11 PM
19°
3%
12 AM
19°
3%
1 AM
18°
3%
7-Day Forecast
Today
32° 12°
Partly Cloudy.
Sat
25° 12°
Clear.
Sun
25° 12°
Clear.
Mon
25° 13°
Clear.
Tue
28° 11°
Clear.
Wed
30° 12°
Clear.
Thu
31° 13°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Clear 3% 2 mph NW 89%
3 AM 22° Mostly Clear 3% 4 mph NNW 91%
4 AM 21° Mostly Clear 3% 4 mph NNW 92%
5 AM 19° Mostly Clear 5% 4 mph NNW 92%
6 AM 19° Mostly Clear 5% 4 mph N 93%
7 AM 19° Mostly Clear 6% 4 mph N 90%
8 AM 21° Partly Cloudy 15% 5 mph N 84%
9 AM 24° Partly Cloudy 15% 5 mph N 77%
10 AM 26° Partly Cloudy 15% 5 mph N 70%
11 AM 27° Mostly Clear 6% 5 mph N 64%
12 PM 28° Mostly Clear 6% 6 mph N 59%
1 PM 32° Partly Cloudy 7% 6 mph N 57%
2 PM 32° Partly Cloudy 9% 6 mph NNW 55%
3 PM 32° Mostly Cloudy 13% 7 mph NNW 55%
4 PM 31° Partly Cloudy 17% 9 mph NNW 59%
5 PM 28° Partly Cloudy 13% 13 mph NNW 63%
6 PM 26° Partly Cloudy 3% 16 mph NNW 65%
7 PM 25° Mostly Cloudy 3% 18 mph N 62%
8 PM 24° Mostly Cloudy 3% 18 mph N 57%
9 PM 20° Mostly Cloudy 3% 19 mph N 52%
10 PM 19° Mostly Cloudy 3% 19 mph N 50%
11 PM 19° Partly Cloudy 3% 18 mph N 48%
12 AM 19° Partly Cloudy 3% 18 mph N 47%
1 AM 18° Partly Cloudy 3% 18 mph N 48%
15-Day Forecast
Today
10/16
Partly Cloudy
15%
12°
32°
Sat
10/17
Clear
3%
12°
25°
Sun
10/18
Clear
3%
12°
25°
Mon
10/19
Clear
3%
13°
25°
Tue
10/20
Clear
3%
11°
28°
Wed
10/21
Clear
3%
12°
30°
Thu
10/22
Clear
3%
13°
31°
Fri
10/23
Clear
3%
14°
31°
Sat
10/24
Clear
19%
16°
31°
Sun
10/25
Drizzle
36%
15°
29°
Mon
10/26
Drizzle
60%
17°
30°
Tue
10/27
Drizzle
60%
17°
30°
Wed
10/28
Drizzle
60%
16°
30°
Thu
10/29
Drizzle
60%
16°
29°
Fri
10/30
Drizzle
60%
16°
29°
58
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
58 AQI 12.9 µg/m³
O3
Ground-level ozone
51 AQI 55 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 51 58
Sat 49 Good 44 49
Sun 47 Good 39 47
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Oct 16, 06:00'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
MLCAPE11 J/kg
MUCAPE3 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index2.1
Kinematics
0–6 km Shear18 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH55
0–3 km SRH53
Eff. SRH—
Storm Motion242° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index14.6
Thermo & Levels
PWAT1.36 in
0–3 km LR3.9 °C/km
700–500 LR5.8 °C/km
Total Totals30.5
LCL996 hPa
LFC—
EL—
Freezing Lvl15,479 ft