Areas of Excessive Rainfall; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall Wednesday may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Saturday. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. Read More >

NWS New Orleans/Baton Rouge

Mardi Gras Decision Support Page

Use the links below to access a 7-day forecast for the specified location(s). Each hour's forecast is color-coded as follows:

Green: No Impacts Expected
Yellow: Possible Limited Impacts
Orange: Possible Moderate Impacts
Red: Possible Significant Impacts

Note: Please remember that the farther out in time a forecast is, the more likely there are to be changes.
Don't forget to check back as your event date gets closer.

Greater New Orleans Area & South Shore

Orleans Parish:
New Orleans
(We know the page says Gretna
when you click on it, but we
promise it's New Orleans.)

St. Bernard Parish:
Chalmette

Jefferson Parish:
Metairie/Kenner
West Bank
Jean Lafitte
Grand Isle

St. Charles Parish:
Luling
Des Allemands

North Shore Area

St. Tammany Parish:
Slidell/Pearl River
Covington/Mandeville/Abita
Bush
Folsom

Tangipahoa Parish:
Hammond/Ponchatoula
Amite

Washington Parish:
Bogalusa
Franklinton

Greater Baton Rouge Area & River Parishes

East Baton Rouge Parish:
Baton Rouge

Iberville Parish:
Plaquemine