Louisiana Severe Flood Warning | Effective 06/17/2026 21:40

Headline: 
Flood Warning issued June 17 at 11:40PM CDT until June 22 at 7:00AM CDT by NWS New Orleans LA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 9:40pm
Expires: 
June 18, 2026 - 3:45pm
Description: 
...The Flood Warning is extended for the following rivers in Louisiana... Tickfaw River Near Montpelier affecting St. Helena Parish. .The river forecast includes 48 hours of forecasted rainfall. These river forecasts could change based on how Tropical Storm Arthur or its remnants tracks across Louisiana and Mississippi late tonight and Thursday. Interests along the rivers should monitor the forecast closely and be prepared for significant flooding. For the Tickfaw River...including Montpelier...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Tickfaw River near Montpelier. * WHEN...From this evening to Monday morning. * IMPACTS...At 13.0 feet, The low banks will overflow threatening commercial interests near the river with flooding. * ADDITIONAL DETAILS... - At 10:30 PM CDT Wednesday the stage was 13.0 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise to a crest of 14.0 feet Friday morning. It will then fall below flood stage early Monday morning. - Flood stage is 13.0 feet. - Flood History...This crest compares to a previous crest of 14.1 feet on 08/25/2022. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued when updates are needed.
Area Description: 
St. Helena, LA
Forcast Office: 
NWS New Orleans LA