National Weather Service Advanced Hydrologic Prediction Service

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This probabilistic forecast is issued by the Lower Mississippi River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

About this graph

Forecasts for the Tchefuncte River near Folsom are issued routinely year-round.

Return to Area Map

Downstream Gauge

Zoom Level:15

Flood Categories (in feet)

Major Flood Stage:	19
Moderate Flood Stage:	17
Flood Stage:	16
Action Stage:	15
Low Stage (in feet):	-9999

Historic Crests
(1) 25.25 ft on 03/12/2016
(2) 24.28 ft on 08/13/2016
(3) 24.12 ft on 04/06/1983
(4) 22.72 ft on 08/31/2021
(5) 22.42 ft on 12/28/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.47 ft on 01/26/2024
(2) 16.35 ft on 11/26/2022
(3) 17.20 ft on 02/04/2022
(4) 18.92 ft on 09/16/2021
(5) 22.72 ft on 08/31/2021
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.50 ft on 10/31/2000
(2) 4.75 ft on 10/02/1986
(3) 4.77 ft on 09/30/1985
(4) 4.80 ft on 10/05/1970
(5) 4.83 ft on 10/27/1982
Show More Low Water Records

	Gauge Location	Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
25.25	Flood of Record occurred on March 12, 2016. Widespread inundation will occur and evacuations will be necessary. Roads will be impassable and the bridge on LA Highway 40 will be threatened.
21.5	Strong river current carrying debris will threaten damage to the bridge structure. There will be water in homes near Savannah Branch. Evacuation will be required near Bennet Bridge Road. There will be water over low-lying stretches of Louisiana Highway 1077 downstream of the Highway 40 bridge. Evacuation of the area around Spring Park and Albert Thompson Roads should be complete.
21	There will be water in homes near Savannah Branch. Evacuation will be required near Bennet Bridge Road. There will be water over low lying stretches of Louisiana Highway 1077 downstream of the Highway 40 bridge. Evacuation of the area around Spring Park and Albert Thompson Roads should be complete.
19	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.
16	Areas of Spring Park and Albert Thompson Road will be inundated. Homes will flood if the river rises higher. Evacuation of those areas is recommended.

Other Real-time and/or Archive Data Sources:

U.S. Geological Survey (USGS) Data and Site Info for Folsom

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

NWS Information

National Weather Service
New Orleans/Baton Rouge Weather Forecast Office
62300 Airport Rd.
Slidell, LA 70460-5243
(504) 522-7330
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Page last modified: 2-Nov-2020 7:29 PM

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