Flash Flood Warning — Harrison County, Mississippi
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued September 10 at 10:46AM CDT until September 10 at 12:45PM CDT by NWS New Orleans LA
FFWLIX The National Weather Service in New Orleans has issued a * Flash Flood Warning for... Southeastern Hancock County in southern Mississippi... Southwestern Harrison County in southern Mississippi... * Until 1245 PM CDT. * At 1046 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 3 and 6 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Long Beach, Bay St. Louis, Waveland, Pass Christian, Diamondhead, Shoreline Park and Kiln.
Effective September 10, 2026 at 11:46 AM ET · Expires September 10, 2026 at 1:45 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS New Orleans LA
Expires
September 10, 2026 at 1:45 PM ET
Last Checked
1 day ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in Mississippi
Flash Flood Warning
Flash Flood Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Flood Advisory
Flash Flood Warning
Get Flash Flood Warning Alerts for Harrison County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Flash Flood Warning mean for Harrison County, Mississippi?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (1 day ago). It's set to expire September 10, 2026 at 1:45 PM ET.
How do I get notified about Flash Flood Warning alerts for Harrison County?
Download StormCast free on Google Play and set Harrison County, Mississippi as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flash Flood Warning is also in effect for Hancock County.