Louisiana Severe Flash Flood Warning | Effective 06-18-2026 05:47

Headline: 
Flash Flood Warning issued June 18 at 7:47AM CDT until June 18 at 9:30AM CDT by NWS New Orleans LA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
June 18, 2026 - 5:47am
Expires: 
June 18, 2026 - 7:30am
Description: 
FFWLIX The National Weather Service in New Orleans has extended the * Flash Flood Warning for... Central St. Tammany Parish in southeastern Louisiana... * Until 930 AM CDT. * At 747 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 5 inches of rain have fallen. Additional rainfall amounts of 2 to 4 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Mandeville and Lacombe.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. 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.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 9:30 AM CDT. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 9:30 AM CDT. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
St. Tammany, LA
Forcast Office: 
NWS New Orleans LA
Sender: 
w-nws.webmaster@noaa.gov