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 March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

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 St. Louis, MO

North Central River Forecast Center

Hydrograph

River at a Glance

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CDT) Datum: NAVD88 Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the Meramec River at Fenton are issued as needed during times of high water, but are not routinely available. Vertical datum height surveyed by the USGS

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 32 Moderate Flood Stage: 29 Flood Stage: 23 Action Stage: 21 Low Stage (in feet): -9999 Historic Crests (1) 42.86 ft on 12/31/2015 (2) 41.88 ft on 05/03/2017 (3) 32.56 ft on 06/09/2019 (4) 29.37 ft on 05/05/2019 (5) 26.06 ft on 04/02/2019 (6) 24.80 ft on 01/14/2020 (7) 24.23 ft on 03/28/2023 (P) (8) 23.90 ft on 05/09/2022 (9) 19.46 ft on 05/14/2016 (P): Preliminary values subject to further review. Recent Crests (1) 24.23 ft on 03/28/2023 (P) (2) 23.90 ft on 05/09/2022 (3) 24.80 ft on 01/14/2020 (4) 32.56 ft on 06/09/2019 (5) 29.37 ft on 05/05/2019 (6) 26.06 ft on 04/02/2019 (7) 41.88 ft on 05/03/2017 (8) 19.46 ft on 05/14/2016 (9) 42.86 ft on 12/31/2015 (P): Preliminary values subject to further review. Low Water Records (1) 1.63 ft on 12/19/2016

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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43.6	The house at the corner of Main and Ferry begins flooding near this height.
43.3	The Sisters Teahouse on Main Street begins flooding near this height.
42.8	Denny Dennis Sporting Goods begins flooding at this height.
42.7	Water reaches the front door of the American Legion Hall.
41.4	The levee protecting the MSD sewage plant is overtopped.
39.4	The lower storage level of the American Legion Hall begins flooding.
37.7	Opps Lane residence downstream of gage begins flooding.
36.8	Opps Lane and Tosti's Transmission on Gravois Road begin flooding at this height.
34.5	An auto glass shop on Gravois begins flooding near this height.
32.7	Joe Clark's Restaurant begins flooding at this height.
32.5	White building on Gravois across from Joe Clark's begins flooding at this height.
32	Brannan's Marine and Motorsports begin flooding at this height.
30.8	Old 141 begins flooding east of the Gravois intersection.
30.7	Heating and cooling store begins flooding at this height.
30.5	Gravois Road begins flooding in Fenton southwest of the new bridge.
29.5	The Fenton Feed Mill begins flooding near this height.
25.4	Water begins backing onto Water Street at the riverside drain at the Ferry Street intersection.
25.3	Restrooms and playground at Minnie Ha Ha Park and the gazebo at Fenton Park begin flooding near this height.
25.2	Minnie Ha Ha Park gazebo begins flooding.
22.9	At this height, the entire boat ramp path at Minnie Ha Ha Park will be submerged.
22.6	The pedestrian walkway along the Meramec Greenway begins flooding near this height about halfway between the Highway 30 bridge and the Greenway gazebo.
22.2	Pedestrain trail along Opps Lane begins flooding near the MSD treatment plant.
19.9	Near this height, the top of the boat ramp at Minnie Ha Ha Park will be submerged.
Photos (1) Highway 30 looking west near Rahning Road on May 3, 2017 at a stage of 41.8 feet. (2) Rahning Road on May 3, 2017 at a stage near 41.8 feet. (3) Civil Air Patrol photo of Highway 30 looking west toward Fenton on May 2, 2017. (4) Civil Air Patrol photo of the Highway 30 bridge over the Meramec River on May 2, 2017. (5) Civil Air Patrol photo of Fenton, Missouri on May 2, 2017.

About This Location

Latitude: 38.512222° N, Longitude: 90.431389° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 23 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 382.76 ft 407.76 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 Fenton

Additional Information

How low could the river get?

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations NWS Alert Messaging USGS Alert Messaging

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

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