Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 4 at 7:39AM CDT until September 4
Affecting Jefferson, LA
In effect until: Sep 4, 2026, 2:15 PM
Jefferson, LA
Likely impact in Jefferson, LA; effects through 2:15 PM.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Read the original bulletin (official text)
At 739 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Kenner, Metairie, Jefferson, Harahan, River Ridge, Elmwood and New Orleans Armstrong Airport.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™