Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office New Orleans/Baton Rouge, LA

Lower Mississippi River Forecast Center

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Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CST) Datum: Not Available Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. NOTE: Forecasts for the Amite River at Denham Springs are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 39 Moderate Flood Stage: 35 Flood Stage: 29 Action Stage: 26 Low Stage (in feet): -9999 Historic Crests (1) 46.20 ft on 08/14/2016 (2) 41.50 ft on 04/08/1983 (3) 41.08 ft on 04/23/1977 (4) 39.88 ft on 01/27/1990 (5) 39.27 ft on 03/15/1921 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 30.35 ft on 05/22/2021 (2) 31.47 ft on 04/17/2021 (3) 29.67 ft on 04/12/2021 (4) 31.37 ft on 02/13/2021 (5) 29.92 ft on 10/10/2020 (P) Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 8.43 ft on 11/18/1938 (2) 9.30 ft on 10/31/2000 (3) 9.41 ft on 10/21/1972 (4) 9.65 ft on 10/08/1970 (5) 10.05 ft on 10/26/1974 Show More Low Water Records For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer 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

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46.2	Flood of Record on August 14, 2016. At this level, widespread flooding will occur with most roads, including Interstate 12 and LA Hwy 190, inundated. Approximately 90 percent of the homes will be flooded, along with businesses and other buildings.
41.5	Widespread flooding of the area between Range Avenue in Denham Springs, west to Airline Highway in Baton Rouge, is expected. Significant flood reached this level in April 1983.
39	Widespread major flooding can be expected in subdivisions along Tiger Bend Road, Antioch Road, Eliot Road, and in Woodcrest and Stevendale Estates in Old Jefferson.
38.2	Tropical Storm Allison - June 2001
35	There will be moderate flooding of areas around Clay Cut Bayou, Jones Creek, and Honey Cut Bayou. In Denham Springs the area west of Florida Avenue will be subject to flooding.
30	Flooding will begin in the westernmost parts of Denham Springs. River Road at the foot of Benton Lane will flood.
29	Flooding will begin in the westernmost parts of Denham Springs.

About This Location

Latitude: 30.463889° N, Longitude: 90.990278° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 29 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 -1.35 ft 27.65 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Denham Springs

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information

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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities