Louisiana, Mississippi Severe Flood Watch | Effective 10/03/2026 14:40

Headline: 
Flood Watch issued October 3 at 4:40PM CDT until October 5 at 12:00AM CDT by NWS New Orleans LA
Event: 
Flood Watch
Urgency: 
Future
Effective: 
October 3, 2026 - 2:40pm
Expires: 
October 4, 2026 - 4:45am
Description: 
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Louisiana, including the following parishes, Central Jefferson, Central Plaquemines, Central St. Charles, Central Tangipahoa, Coastal Jefferson, Eastern Orleans, Lower Plaquemines, Lower St. Bernard, Lower St. Charles, Lower Tangipahoa, Northern St. Tammany, Northern Tangipahoa, Southeast St. Tammany, Southwestern St. Tammany, St. John The Baptist, Upper Jefferson, Upper Plaquemines, Upper St. Bernard, Upper St. Charles, Washington and Western Orleans and southern Mississippi, including the following counties, Pearl River, Pike and Walthall. * WHEN...Through Sunday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Multiple rounds of showers and thunderstorms producing locally heavy rainfall are expected this evening and continuing through Sunday. A large area with rainfall amounts of 3 to 5 inches with locally higher amounts of 6 to 8 inches is expected in the watch area through Sunday evening. - http://www.weather.gov/safety/flood
Instruction: 
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Area Description: 
Washington; St. John The Baptist; Upper St. Bernard; Lower St. Bernard; Northern Tangipahoa; Southeast St. Tammany; Western Orleans; Eastern Orleans; Northern St. Tammany; Southwestern St. Tammany; Central Tangipahoa; Lower Tangipahoa; Upper Jefferson; Upper Plaquemines; Central Plaquemines; Lower Plaquemines; Central Jefferson; Coastal Jefferson; Upper St. Charles; Central St. Charles; Lower St. Charles; Pike; Walthall; Pearl River
Forcast Office: 
NWS New Orleans LA
Sender: 
w-nws.webmaster@noaa.gov