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Active Weather Warnings

Weather in New Orleans, Louisiana

08:39 AM
Now
Stormy Weather
73° F
Feels Like 75°
Precipitation 85 %
Wind 8 mph
UV Index (0 - 11+) 1
Humidity 93 %
Today
Stormy Weather
Day 77°
Night 73°
Precipitation 100 %
Wind 8 mph
UV Index (0 - 11+) 2

New Orleans Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 25, 2025)
Sunny with a Chance of Thunderstorms

Day

93°

Night

77°

Wind

9 mph

UV Index

12

Precipitation

40 %

Air Quality in New Orleans

NOW
22 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.46 µg/m³
PM10 4.71 µg/m³
O3 0.024 ppm
NO2 0.4 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.01 µg/m³
NO 0.01 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)
PM2.52.46 µg/m³
PM104.71 µg/m³
O347.07 µg/m³
NO20.78 µg/m³
SO20.26 µg/m³
CO107.52 µg/m³
NH30.01 µg/m³
NO0.01 µg/m³

Weather Alerts and Warnings for New Orleans

Severe Future Possible

Flood Watch

Flood Watch issued May 25 at 12:02AM CDT until May 25 at 7:00PM CDT by NWS New Orleans LA
May 25, 12:02 AM May 25, 7:00 PM
WHAT: Flash flooding caused by excessive rainfall continues to be
possible.

WHERE: Portions of southeast Louisiana, including the following
parishes, Assumption, Central Jefferson, Central Plaquemines,
Central St. Charles, Central Tangipahoa, Coastal Jefferson, East
Baton Rouge, Eastern Ascension, Eastern Orleans, Iberville, Lower
Lafourche, Lower Plaquemines, Lower St. Bernard, Lower St.
Charles, Lower Tangipahoa, Lower Terrebonne, Northern Livingston,
Northern St. Tammany, Southeast St. Tammany, Southern Livingston,
Southwestern St. Tammany, St. James, St. John The Baptist, Upper
Jefferson, Upper Lafourche, Upper Plaquemines, Upper St. Bernard,
Upper St. Charles, Upper Terrebonne, Washington, West Baton Rouge,
Western Ascension and Western Orleans and southern Mississippi,
including the following areas, Northern Hancock, Northern
Harrison, Northern Jackson, Pearl River, Southern Hancock,
Southern Harrison and Southern Jackson.

WHEN: Through this evening.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas.

ADDITIONAL DETAILS:
- http://www.weather.gov/safety/flood
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You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Updated: May 25, 7:32 AM Source: NWS Alert