Flash Flood Warning — Jefferson County, Texas
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 1 at 4:50PM CDT until September 1 at 7:45PM CDT by NWS Lake Charles LA
FFWLCH The National Weather Service in Lake Charles has extended the * Flash Flood Warning for... Southeastern Jefferson County in southeastern Texas... * Until 745 PM CDT. * At 450 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. The expected rainfall rate is 2 to 6 inches in 1 hour. Additional rainfall amounts of 3 to 5 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... Port Arthur, Nederland, Central Gardens, Sabine Pass, Port Acres, Southeast Texas Regional Airport, La Belle and Sea Rim State Park.
Effective September 1, 2026 at 5:50 PM ET · Expires September 1, 2026 at 8:45 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Lake Charles LA
Expires
September 1, 2026 at 8:45 PM ET
Last Checked
4 hours ago
What To Do
📋 Official NWS Guidance
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.
Other Active Alerts in Texas
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Flood Advisory
Flash Flood Warning
Flood Advisory
Flash Flood Warning
Flash Flood Warning
Get Flash Flood Warning Alerts for Jefferson County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Jefferson County, Texas?
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 (4 hours ago). It's set to expire September 1, 2026 at 8:45 PM ET.
How do I get notified about Flash Flood Warning alerts for Jefferson County?
Download StormCast free on Google Play and set Jefferson County, Texas 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.