Today | Weather | Thursday, November 20, 2025
Active Weather Warnings

Weather in New Orleans, Louisiana

06:46 AM
Now
Foggy Weather
70° F
Feels Like 64°
Precipitation 0 %
Wind 17 mph
UV Index (0 - 11+) 0
Humidity 80 %
Today
Cloudy Weather
Day 79°
Night 70°
Precipitation 0 %
Wind 16 mph
UV Index (0 - 11+) 4

New Orleans Weather Forecast Updated

12 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 20, 2024)
Night

Day

72°

Night

54°

Wind

15 mph

Precipitation

2 %

Air Quality in New Orleans

NOW
39 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.66 µg/m³
PM10 15.82 µg/m³
O3 0.042 ppm
NO2 0.1 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.58.66 µg/m³
PM1015.82 µg/m³
O383.21 µg/m³
NO20.2 µg/m³
SO20.4 µg/m³
CO114.24 µg/m³
NH30 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for New Orleans

Moderate Expected Likely

Dense Fog Advisory

Dense Fog Advisory issued November 20 at 4:29AM CST until November 20 at 9:00AM CST by NWS New Orleans LA
Nov 20, 4:29 AM Nov 20, 9:00 AM
WHAT: Visibility one quarter mile or less in dense fog.

WHERE: Portions of southeast Louisiana and southern Mississippi.

WHEN: Until 9 AM CST this morning.

IMPACTS: Low visibility could make driving conditions hazardous.
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If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.
Updated: Nov 20, 6:33 AM Source: NWS Alert