Bayou Liberty near Slidell, LA

River level and flood forecast · St. Tammany Parish

Normal1.6 ftas of Mon 2:45 PM

The river is 5.4 ft below flood stage (7 ft).

The last 7 days and the forecast

0246810TueWedThuFriSatSunMonAction 6 ftFlood 7 ftModerate 9 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage11 ft
Moderate flood stage9 ft
Flood stage7 ft
Action stage6 ft
Record crest (August 29, 2005)11.54 ft

What floods at each level

From the National Weather Service, highest first.

  • 13 ftTravel will be greatly impacted with many roads impassable. Water will enter several structures.
  • 11 ftNumerous structures along Airport Road and Dixie Ranch Road are impacted witha few roads impassable.
  • 10 ftMinor flooding occurs around Dixie Ranch Road, Airport Road, and arouund Meadows Blvd.
  • 8 ftLow-lying areas are threatened at Victoria Way and along Airport Road near Interstate 12.
  • 7 ftTammany Trace will be threatened by flood waters.
  • 6 ftSeveral roads will be impacted and travel will be impaired.
  • 3.5 ftIn storm surge events or strong southeast winds, water will pool near St. Genevieve Church and LA Hwy 433 may be impassable.

Highest crests on record

  1. 11.54 ft — August 29, 2005
  2. 9.02 ft — August 30, 2021
  3. 8.39 ft — August 30, 2012
  4. 7.33 ft — July 1, 2003
  5. 7.13 ft — September 26, 2002

Recent crests: 9.02 ft (August 30, 2021) · 5.45 ft (April 14, 2015) · 4.71 ft (March 28, 2014) · 4.05 ft (February 26, 2013) · 8.39 ft (August 30, 2012)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LBSL1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.