Extreme Heat Warning — St. James, LA, St. John The Baptist, LA, Upper 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, Central Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM Extreme Heat Warning — St. James, LA, St. John The Baptist, LA, Upper 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, Central Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, 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 39°
Partly Cloudy
▲ 35°  /  ▼ 26°
Wind
4 mph SW
Humidity
59%
Dew Point
24°
Pressure
30.01 inHg
Visibility
10 mi
UV Index
5.4
Cloud Cover
49%
Sunrise
6:30 AM
Sunset
7:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Norco is currently partly cloudy at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3036 J/kg) — isolated convective development possible. Sunrise: 6:30AM · Sunset: 7:40PM.

Alerts

Extreme Heat Warning
St. James, LA, St. John The Baptist, LA, Upper 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, Central Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
Extreme Heat Warning
St. James, LA, St. John The Baptist, LA, Upper 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, Central Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, 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°
25%
6 PM
32°
42%
7 PM
31°
41%
8 PM
30°
40%
9 PM
29°
24%
10 PM
28°
24%
11 PM
28°
24%
12 AM
27°
19%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
5%
4 AM
26°
5%
5 AM
26°
5%
6 AM
26°
5%
7 AM
26°
5%
8 AM
28°
5%
9 AM
31°
9%
10 AM
32°
15%
11 AM
33°
15%
12 PM
34°
15%
1 PM
35°
18%
2 PM
36°
18%
3 PM
36°
21%
4 PM
36°
22%
7-Day Forecast
Today
35° 26°
Partly Cloudy with a 40% chance of rain.
Tue
38° 26°
Partly Cloudy with a 28% chance of rain.
Wed
37° 26°
Partly Cloudy with a 22% chance of rain.
Thu
37° 25°
Partly Cloudy with a 52% chance of rain.
Fri
38° 25°
Thunderstorm, 60% chance.
Sat
38° 24°
Drizzle, 60% chance.
Sun
38° 24°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 25% 4 mph SW 59%
6 PM 32° Partly Cloudy 42% 6 mph WSW 70%
7 PM 31° Partly Cloudy 41% 7 mph WSW 77%
8 PM 30° Mostly Clear 40% 6 mph SW 80%
9 PM 29° Mostly Clear 24% 6 mph SW 82%
10 PM 28° Mostly Clear 24% 8 mph SW 82%
11 PM 28° Partly Cloudy 24% 7 mph SW 83%
12 AM 27° Partly Cloudy 19% 7 mph SW 84%
1 AM 26° Partly Cloudy 3% 6 mph SW 85%
2 AM 26° Partly Cloudy 3% 6 mph WSW 85%
3 AM 26° Partly Cloudy 5% 5 mph WSW 86%
4 AM 26° Partly Cloudy 5% 6 mph WSW 86%
5 AM 26° Mostly Cloudy 5% 5 mph W 86%
6 AM 26° Mostly Cloudy 5% 5 mph W 87%
7 AM 26° Mostly Cloudy 5% 6 mph W 86%
8 AM 28° Mostly Cloudy 5% 7 mph WNW 80%
9 AM 31° Partly Cloudy 9% 7 mph WNW 75%
10 AM 32° Partly Cloudy 15% 7 mph WNW 70%
11 AM 33° Mostly Cloudy 15% 7 mph W 66%
12 PM 34° Overcast 15% 6 mph W 62%
1 PM 35° Overcast 18% 6 mph W 59%
2 PM 36° Mostly Cloudy 18% 6 mph W 57%
3 PM 36° Mostly Cloudy 21% 6 mph W 55%
4 PM 36° Mostly Cloudy 22% 5 mph W 54%
15-Day Forecast
Today
8/17
Partly Cloudy
40%
26°
35°
Tue
8/18
Partly Cloudy
28%
26°
38°
Wed
8/19
Partly Cloudy
22%
26°
37°
Thu
8/20
Partly Cloudy
52%
25°
37°
Fri
8/21
Thunderstorm
60%
25°
38°
Sat
8/22
Drizzle
60%
24°
38°
Sun
8/23
Drizzle
53%
24°
38°
Mon
8/24
Overcast
33%
24°
38°
Tue
8/25
Drizzle
60%
24°
38°
Wed
8/26
Drizzle
67%
24°
38°
Thu
8/27
Drizzle
60%
24°
38°
Fri
8/28
Drizzle
60%
24°
38°
Sat
8/29
Drizzle
60%
24°
38°
Sun
8/30
Drizzle
60%
24°
38°
Mon
8/31
Drizzle
60%
23°
38°
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 11.3 µg/m³
O3
Ground-level ozone
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 55 Moderate 41 55
Wed 52 Moderate 36 52
Thu 49 Good 26 49
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 Mon Aug 17, 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
SBCAPE3065 J/kg
MLCAPE2074 J/kg
MUCAPE3065 J/kg
SBCIN-32 J/kg
MLCIN-35 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear2 kt
0–1 km Shear2 kt
Eff. Shear12 kt
0–1 km SRH-2
0–3 km SRH28
Eff. SRH28
Storm Motion81° @ 15 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.4
Thermo & Levels
PWAT2.12 in
0–3 km LR7.4 °C/km
700–500 LR5.8 °C/km
Total Totals48.5
LCL890 hPa
LFC841 hPa
EL131 hPa
Freezing Lvl16,601 ft