Excessive Heat Warning — St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, 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, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM

Norco, Louisiana

Last updated: 5:20 PM CDT  ·  Refresh
33°C
Feels like 40°
Mostly Cloudy
▲ 34°  /  ▼ 26°
Wind
6 mph W
Humidity
58%
Dew Point
24°
Pressure
29.86 inHg
Visibility
10 mi
UV Index
5.2
Cloud Cover
61%
Sunrise
6:19 AM
Sunset
7:56 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Norco is currently mostly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2162 J/kg) — isolated convective development possible. Sunrise: 6:19AM · Sunset: 7:56PM.

Alerts

Excessive Heat Warning
St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, 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, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
28%
6 PM
33°
23%
7 PM
32°
23%
8 PM
31°
23%
9 PM
29°
25%
10 PM
28°
25%
11 PM
28°
25%
12 AM
27°
17%
1 AM
27°
17%
2 AM
26°
21%
3 AM
26°
21%
4 AM
26°
22%
5 AM
26°
22%
6 AM
26°
23%
7 AM
27°
23%
8 AM
28°
23%
9 AM
31°
26%
10 AM
32°
26%
11 AM
32°
27%
12 PM
33°
27%
1 PM
34°
35%
2 PM
34°
39%
3 PM
33°
39%
4 PM
33°
39%
7-Day Forecast
Today
34° 26°
Mostly Cloudy with a 28% chance of rain.
Thu
37° 26°
Partly Cloudy with a 44% chance of rain.
Fri
35° 26°
Mostly Cloudy with a 50% chance of rain.
Sat
34° 26°
Partly Cloudy with a 82% chance of rain.
Sun
34° 24°
Drizzle, 82% chance.
Mon
35° 24°
Rain, 74% chance.
Tue
36° 24°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Cloudy 28% 6 mph W 58%
6 PM 33° Mostly Cloudy 23% 7 mph W 65%
7 PM 32° Mostly Cloudy 23% 7 mph W 70%
8 PM 31° Overcast 23% 6 mph WSW 75%
9 PM 29° Overcast 25% 6 mph WSW 78%
10 PM 28° Mostly Cloudy 25% 6 mph WSW 81%
11 PM 28° Mostly Cloudy 25% 6 mph WSW 83%
12 AM 27° Mostly Cloudy 17% 6 mph WSW 85%
1 AM 27° Partly Cloudy 17% 6 mph WSW 87%
2 AM 26° Partly Cloudy 21% 6 mph WSW 88%
3 AM 26° Partly Cloudy 21% 6 mph W 89%
4 AM 26° Partly Cloudy 22% 6 mph W 90%
5 AM 26° Partly Cloudy 22% 5 mph W 90%
6 AM 26° Partly Cloudy 23% 6 mph W 90%
7 AM 27° Partly Cloudy 23% 6 mph W 88%
8 AM 28° Partly Cloudy 23% 8 mph W 81%
9 AM 31° Partly Cloudy 26% 8 mph W 75%
10 AM 32° Partly Cloudy 26% 8 mph W 69%
11 AM 32° Partly Cloudy 27% 8 mph W 65%
12 PM 33° Partly Cloudy 27% 8 mph W 61%
1 PM 34° Partly Cloudy 35% 7 mph W 60%
2 PM 34° Partly Cloudy 39% 7 mph WNW 63%
3 PM 33° Partly Cloudy 39% 8 mph WNW 66%
4 PM 33° Mostly Cloudy 39% 8 mph WNW 69%
15-Day Forecast
Today
7/29
Mostly Cloudy
28%
26°
34°
Thu
7/30
Partly Cloudy
44%
26°
37°
Fri
7/31
Mostly Cloudy
50%
26°
35°
Sat
8/1
Partly Cloudy
82%
26°
34°
Sun
8/2
Drizzle
82%
24°
34°
Mon
8/3
Rain
74%
24°
35°
Tue
8/4
Drizzle
60%
24°
36°
Wed
8/5
Drizzle
60%
24°
37°
Thu
8/6
Drizzle
60%
24°
37°
Fri
8/7
Drizzle
60%
24°
37°
Sat
8/8
Drizzle
60%
24°
36°
Sun
8/9
Drizzle
60%
24°
36°
Mon
8/10
Drizzle
60%
24°
37°
Tue
8/11
Drizzle
60%
24°
37°
Wed
8/12
Drizzle
60%
24°
37°
55
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
55 AQI 11.5 µg/m³
O3
Ground-level ozone
43 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 55 Moderate 43 55
Fri 55 Moderate 43 55
Sat 44 Good 25 44
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 Wed Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2459 J/kg
MLCAPE1662 J/kg
MUCAPE2459 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.7
Kinematics
0–6 km Shear10 kt
0–1 km Shear3 kt
Eff. Shear11 kt
0–1 km SRH10
0–3 km SRH-10
Eff. SRH-10
Storm Motion311° @ 18 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index23.8
Thermo & Levels
PWAT2.02 in
0–3 km LR7.2 °C/km
700–500 LR5.6 °C/km
Total Totals44.9
LCL882 hPa
LFC1011 hPa
EL133 hPa
Freezing Lvl16,969 ft