Louisiana Severe Flood Warning | Effective 06/17/2026 18:05

Headline: 
Flood Warning issued June 17 at 8:05PM CDT until June 19 at 7:45PM CDT by NWS New Orleans LA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 6:05pm
Expires: 
June 18, 2026 - 12:15pm
Description: 
...The Flood Warning continues for the following rivers in Louisiana... Tchefuncte River Near Folsom affecting St. Tammany Parish. Tchefuncte River Above U.S. Highway 190 Near Covington affecting St. Tammany 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 Tchefuncte River...including Folsom, U.S. Highway 190 Near Covington...Moderate flooding is forecast. * WHAT...Major flooding is occurring and moderate flooding is forecast. * WHERE...Tchefuncte River near Folsom. * WHEN...Until Friday evening. * IMPACTS...At 19.0 feet, Louisiana Highway 40 will overflow the west bank by the bridge. Evacuation of the area around Spring Park and Albert Thompson roads should be complete. * ADDITIONAL DETAILS... - At 7:00 PM CDT Wednesday the stage was 20.1 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 PM CDT Wednesday was 21.0 feet. - Forecast...The river is expected to fall below flood stage early Friday afternoon and continue falling to 6.9 feet Monday evening. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 20.1 feet on 05/08/1972. - 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. Tammany, LA
Forcast Office: 
NWS New Orleans LA