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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via, as described in the StoryMap here.

Hydrograph River at a Glance Download
Jourdan River at Kiln Stage (ft)Forecast: 1.2 ft 7:00PM Sep 23, 2023Forecast: 1.9 ft 1:00AM Sep 24, 2023Highest Forecast: 2.2 ft 7:00AM Sep 24, 2023Forecast: 1.6 ft 1:00PM Sep 24, 2023Forecast: 1.1 ft 7:00PM Sep 24, 2023Forecast: 1.7 ft 1:00AM Sep 25, 2023Highest Forecast: 2.2 ft 7:00AM Sep 25, 2023Forecast: 1.9 ft 1:00PM Sep 25, 2023Forecast: 1.1 ft 7:00PM Sep 25, 2023Forecast: 1.6 ft 1:00AM Sep 26, 2023Forecast: 2.1 ft 7:00AM Sep 26, 2023Forecast: 1.7 ft 1:00PM Sep 26, 2023Forecast: 1.3 ft 7:00PM Sep 26, 2023Forecast: 1.5 ft 1:00AM Sep 27, 2023Forecast: 1.9 ft 7:00AM Sep 27, 2023Forecast: 2.1 ft 1:00PM Sep 27, 2023Forecast: 1.3 ft 7:00PM Sep 27, 2023Forecast: 1.5 ft 1:00AM Sep 28, 2023Forecast: 1.6 ft 7:00AM Sep 28, 2023USGS--Water Resources of the United StatesKLNM6(plotting HGIRG) Graph Created (5:10PM Sep 23, 2023)Forecast (issued 8:27AM Sep 23)Flood Stage is 6 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available

NOTE: Automatic observations from this river gage have been discontinued due to loss of funding. Contact the USGS at the following link if you can help.  LINK:

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 Jourdan River at Kiln are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage: 10
Moderate Flood Stage: 8
Flood Stage: 6
Action Stage: 5
Low Stage (in feet): -9999

Historic Crests
(1) 19.97 ft on 08/29/2005
(2) 12.55 ft on 05/10/1995
(3) 10.73 ft on 08/29/2012
(4) 9.83 ft on 09/01/2008
(5) 9.46 ft on 08/31/2021
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(P): Preliminary values subject to further review.

Recent Crests
(1) 9.46 ft on 08/31/2021
(2) 6.89 ft on 06/20/2021
(3) 6.31 ft on 04/16/2021
(4) 7.76 ft on 10/28/2020 (P)
(5) 7.61 ft on 06/07/2020 (P)
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(P): Preliminary values subject to further review.

Low Water Records
(1) -3.02 ft on 01/02/2008
(2) -2.69 ft on 03/02/2009
(3) -2.52 ft on 12/13/2010
(4) -2.47 ft on 01/12/2012
(5) -2.36 ft on 01/20/2019
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For more information on your flood risk go to

Zoom Level:16
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Gauge LocationGauge Map Marker
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 Collapse
If you notice any errors in the below information, please contact our Webmaster
19.97 Flood of Record occurred on August 29,2005 in Hurricane Katrina. Devastating flooding will occur over the area. Most roadways will be inundated, including Interstate 10, along with MS Highways 43 and 603. Evacuations will be necessary.
12 Major flooding will occur downstream of Highway 43. The highway will be closed with deep swift water over the roadway north of the bridge.
10 Homes along the river on the south bank will flood. Water will be over the road near the bridge approach. Backwater flooding will threaten property east of Highway 43. Access to the river will be restricted.
8 The River Dock Restraunt will flood. Drainage ditches along Mississippi Highway 43 will be running full and near the shoulder of the road at the bridge approach. Water will cover most of the River Dock property and residential property on the south bank.
6 Water will cover most of the River Dock Resturant property and residential property on the south bank.
5 The boat dock at the River Dock Restaurant will be under water and property along both north and south banks will begin to flood.
About This Location Collapse

Latitude: 30.387222° N, Longitude: 89.441389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 6 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available 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 0 ft 6 ft  

Current/Historical Observations:

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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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