Louisiana Severe Flash Flood Warning | Effective 06/18/2026 07:18

Headline: 
Flash Flood Warning issued June 18 at 9:18AM CDT until June 18 at 11:30AM CDT by NWS New Orleans LA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
June 18, 2026 - 7:18am
Expires: 
June 18, 2026 - 9:30am
Description: 
FFWLIX The National Weather Service in New Orleans has extended the * Flash Flood Warning for... Central St. Tammany Parish in southeastern Louisiana... * Until 1130 AM CDT. * At 918 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 4 and 7 inches of rain have fallen. Additional rainfall amounts up to 2 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. 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.
Area Description: 
St. Tammany, LA
Forcast Office: 
NWS New Orleans LA