Heat Advisory — West Cameron, LA, East Cameron, LA, Lower Vermilion, LA, Lower Iberia, LA, Lower St. Mary, LA 8:00 p. m. Heat 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 8:00 p. m.

LAZ142

Last updated: 9:09 p. m. CDT  ·  Refresh
25°C
Feels like 28°
Mostly Cloudy
▲ 37°  /  ▼ 23°
Wind
7 mph ENE
Humidity
90%
Dew Point
23°
Pressure
29,97 inHg
Visibility
3 mi
UV Index
0,0
Cloud Cover
82%
Sunrise
6:35 a. m.
Sunset
7:40 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: LAZ142 is currently mostly cloudy at 25°C. Precipitation is likely — peak probability 69% around 8 p. m.. Atmospheric instability is elevated (CAPE up to 2989 J/kg) — isolated convective development possible. Sunrise: 6:35A. M. · Sunset: 7:40P. M..

Alerts

Heat Advisory
West Cameron, LA, East Cameron, LA, Lower Vermilion, LA, Lower Iberia, LA, Lower St. Mary, LA
Expires 8:00 p. m.
Heat 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 8:00 p. m.
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
69%
9 p. m.
25°
51%
10 p. m.
25°
28%
11 p. m.
26°
19%
12 a. m.
26°
12%
1 a. m.
25°
4%
2 a. m.
25°
4%
3 a. m.
25°
4%
4 a. m.
25°
4%
5 a. m.
23°
3%
6 a. m.
23°
3%
7 a. m.
25°
3%
8 a. m.
27°
3%
9 a. m.
28°
3%
10 a. m.
30°
3%
11 a. m.
32°
3%
12 p. m.
33°
3%
1 p. m.
37°
3%
2 p. m.
37°
3%
3 p. m.
39°
3%
4 p. m.
38°
3%
5 p. m.
36°
3%
6 p. m.
36°
3%
7 p. m.
34°
3%
7-Day Forecast
Tonight
37° 23°
Rain, 69% chance.
Sat
40° 23°
Partly Cloudy.
Sun
40° 25°
Partly Cloudy with a 42% chance of rain.
Mon
36° 25°
Partly Cloudy with a 52% chance of rain.
Tue
38° 25°
Clear with a 42% chance of rain.
Wed
37° 24°
Rain, 82% chance.
Thu
36° 24°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Cloudy 69% 7 mph NE 90%
9 p. m. 25° Overcast 51% 6 mph SSW 92%
10 p. m. 25° Overcast 28% 6 mph SSW 91%
11 p. m. 26° Mostly Cloudy 19% 4 mph WSW 91%
12 a. m. 26° Mostly Cloudy 12% 4 mph W 90%
1 a. m. 25° Mostly Cloudy 4% 4 mph W 90%
2 a. m. 25° Mostly Cloudy 4% 4 mph W 90%
3 a. m. 25° Mostly Cloudy 4% 3 mph WNW 89%
4 a. m. 25° Mostly Cloudy 4% 3 mph W 90%
5 a. m. 23° Mostly Cloudy 3% 3 mph W 90%
6 a. m. 23° Mostly Cloudy 3% 3 mph WSW 91%
7 a. m. 25° Mostly Cloudy 3% 4 mph W 85%
8 a. m. 27° Mostly Cloudy 3% 5 mph WNW 78%
9 a. m. 28° Partly Cloudy 3% 6 mph WNW 71%
10 a. m. 30° Partly Cloudy 3% 5 mph NW 64%
11 a. m. 32° Mostly Cloudy 3% 4 mph NNW 57%
12 p. m. 33° Mostly Cloudy 3% 4 mph NNW 50%
1 p. m. 37° Partly Cloudy 3% 4 mph N 46%
2 p. m. 37° Partly Cloudy 3% 4 mph N 42%
3 p. m. 39° Partly Cloudy 3% 4 mph N 39%
4 p. m. 38° Partly Cloudy 3% 3 mph N 41%
5 p. m. 36° Partly Cloudy 3% 2 mph NNE 43%
6 p. m. 36° Partly Cloudy 3% 3 mph ESE 46%
7 p. m. 34° Partly Cloudy 3% 3 mph S 53%
15-Day Forecast
Today
8/21
Rain
69%
23°
37°
Sat
8/22
Partly Cloudy
4%
23°
40°
Sun
8/23
Partly Cloudy
42%
25°
40°
Mon
8/24
Partly Cloudy
52%
25°
36°
Tue
8/25
Clear
42%
25°
38°
Wed
8/26
Rain
82%
24°
37°
Thu
8/27
Rain
82%
24°
36°
Fri
8/28
Rain
63%
24°
37°
Sat
8/29
Rain
69%
24°
37°
Sun
8/30
Drizzle
44%
24°
38°
Mon
8/31
Drizzle
51%
24°
38°
Tue
9/1
Drizzle
60%
24°
38°
Wed
9/2
Drizzle
60%
24°
37°
Thu
9/3
Drizzle
60%
24°
37°
Fri
9/4
Drizzle
60%
23°
37°
51
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
51 AQI 9.1 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 39 51
Sun 44 Good 34 44
Mon 52 Moderate 48 52
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 vie. ago. 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
SBCAPE846 J/kg
MLCAPE1593 J/kg
MUCAPE2078 J/kg
SBCIN-119 J/kg
MLCIN-55 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear15 kt
0–1 km Shear8 kt
Eff. Shear14 kt
0–1 km SRH13
0–3 km SRH83
Eff. SRH83
Storm Motion31° @ 21 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index41.9
Thermo & Levels
PWAT2.63 in
0–3 km LR5.2 °C/km
700–500 LR5.2 °C/km
Total Totals49.7
LCL987 hPa
LFC773 hPa
EL178 hPa
Freezing Lvl15,089 ft