Mississippi Severe Flash Flood Warning | Effective 06/18/2026 13:48

Headline: 
Flash Flood Warning issued June 18 at 3:48PM CDT until June 18 at 4:15PM CDT by NWS New Orleans LA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
June 18, 2026 - 1:48pm
Expires: 
June 18, 2026 - 2:15pm
Description: 
At 348 PM CDT, local law enforcement reported thunderstorms producing heavy rain in reported multiple streets flooded in Gulfport and Biloxi. Between 4 and 8 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Law enforcement reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Gulfport, Biloxi, Long Beach, Pass Christian, St. Martin, D'iberville and Gulfport Airport.
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: 
Harrison, MS
Forcast Office: 
NWS New Orleans LA