Tornado Watch 8:00 PM Flood Warning — East Baton Rouge County, LA Excessive Heat Warning — 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 8:00 PM

Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 NM, AN

Last updated: 7:31 PM CDT  ·  Refresh
29°C
Feels like 35°
Partly Cloudy
▲ 33°  /  ▼ 25°
Wind
6 mph WNW
Humidity
78%
Dew Point
26°
Pressure
29.74 inHg
Visibility
6 mi
UV Index
1.6
Cloud Cover
53%
Sunrise
6:16 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 NM is currently partly cloudy at 29°C. Precipitation is likely — peak probability 73% around 8 PM. Atmospheric instability is elevated (CAPE up to 2268 J/kg) — isolated convective development possible. Sunrise: 6:16AM · Sunset: 8:05PM.

58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
36%
8 PM
30°
73%
9 PM
28°
65%
10 PM
28°
54%
11 PM
28°
53%
12 AM
28°
34%
1 AM
28°
8%
2 AM
27°
8%
3 AM
27°
8%
4 AM
27°
8%
5 AM
25°
9%
6 AM
25°
9%
7 AM
26°
5%
8 AM
27°
13%
9 AM
29°
13%
10 AM
30°
21%
11 AM
31°
22%
12 PM
32°
22%
1 PM
33°
22%
2 PM
34°
23%
3 PM
34°
29%
4 PM
34°
38%
5 PM
34°
39%
6 PM
34°
35%
7-Day Forecast
Tonight
33° 25°
Partly Cloudy with a 54% chance of rain.
Wed
36° 25°
Partly Cloudy with a 29% chance of rain.
Thu
33° 26°
Partly Cloudy with a 60% chance of rain.
Fri
34° 25°
Mostly Cloudy with a 76% chance of rain.
Sat
34° 24°
Partly Cloudy with a 45% chance of rain.
Sun
35° 24°
Mostly Cloudy.
Mon
35° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 29° Partly Cloudy 36% 7 mph WNW 77%
8 PM 30° Rain 73% 5 mph NW 85%
9 PM 28° Rain 65% 4 mph NW 87%
10 PM 28° Rain 54% 4 mph NNW 89%
11 PM 28° Partly Cloudy 53% 5 mph NNW 89%
12 AM 28° Partly Cloudy 34% 4 mph NW 89%
1 AM 28° Mostly Clear 8% 4 mph NNW 89%
2 AM 27° Mostly Clear 8% 4 mph NNW 89%
3 AM 27° Mostly Clear 8% 4 mph N 88%
4 AM 27° Mostly Clear 8% 4 mph N 88%
5 AM 25° Mostly Clear 9% 5 mph NNW 87%
6 AM 25° Mostly Clear 9% 6 mph NNW 86%
7 AM 26° Mostly Clear 5% 7 mph NNW 84%
8 AM 27° Mostly Clear 13% 8 mph N 78%
9 AM 29° Mostly Clear 13% 9 mph N 71%
10 AM 30° Mostly Clear 21% 11 mph N 66%
11 AM 31° Mostly Clear 22% 12 mph N 62%
12 PM 32° Mostly Clear 22% 12 mph NNE 58%
1 PM 33° Mostly Clear 22% 13 mph NNE 54%
2 PM 34° Partly Cloudy 23% 13 mph NNE 54%
3 PM 34° Partly Cloudy 29% 13 mph NNE 53%
4 PM 34° Partly Cloudy 38% 13 mph NNE 54%
5 PM 34° Partly Cloudy 39% 12 mph NNE 58%
6 PM 34° Partly Cloudy 35% 12 mph NE 62%
15-Day Forecast
Today
7/21
Partly Cloudy
54%
25°
33°
Wed
7/22
Partly Cloudy
29%
25°
36°
Thu
7/23
Partly Cloudy
60%
26°
33°
Fri
7/24
Mostly Cloudy
76%
25°
34°
Sat
7/25
Partly Cloudy
45%
24°
34°
Sun
7/26
Mostly Cloudy
15%
24°
35°
Mon
7/27
Clear
7%
24°
35°
Tue
7/28
Mostly Clear
8%
24°
36°
Wed
7/29
Partly Cloudy
39%
24°
36°
Thu
7/30
Thunderstorm
52%
24°
36°
Fri
7/31
Drizzle
52%
24°
36°
Sat
8/1
Drizzle
60%
24°
36°
Sun
8/2
Drizzle
60%
24°
34°
Mon
8/3
Drizzle
60%
23°
34°
Tue
8/4
Drizzle
60%
24°
34°
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 13.0 µg/m³
O3
Ground-level ozone
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 27 58
Thu 49 Good 26 49
Fri 39 Good 34 39
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 Jul 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2784 J/kg
MLCAPE3269 J/kg
MUCAPE3556 J/kg
SBCIN-101 J/kg
MLCIN0 J/kg
Lifted Index-4.3
Kinematics
0–6 km Shear22 kt
0–1 km Shear15 kt
Eff. Shear35 kt
0–1 km SRH-21
0–3 km SRH-47
Eff. SRH-47
Storm Motion350° @ 28 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.3
Thermo & Levels
PWAT2.42 in
0–3 km LR5.8 °C/km
700–500 LR4.9 °C/km
Total Totals45.3
LCL956 hPa
LFC849 hPa
EL129 hPa
Freezing Lvl17,726 ft