National Weather Service Advanced Hydrologic Prediction Service

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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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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 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Meramec River near Eureka are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	31
Moderate Flood Stage:	26
Flood Stage:	19
Action Stage:	17
Low Stage (in feet):	-9999

Historic Crests
(1) 46.11 ft on 05/03/2017
(2) 46.06 ft on 12/30/2015
(3) 42.89 ft on 12/06/1982
(4) 42.20 ft on 08/22/1915
(5) 40.90 ft on 04/14/1994
(6) 40.06 ft on 03/22/2008
(7) 39.00 ft on 02/01/1916
(8) 38.90 ft on 06/11/1945
(9) 36.72 ft on 09/26/1993
(10) 36.60 ft on 05/03/1983
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.45 ft on 08/06/2023 (P)
(2) 27.05 ft on 03/27/2023 (P)
(3) 21.79 ft on 03/06/2023 (P)
(4) 24.89 ft on 05/09/2022
(5) 21.83 ft on 04/02/2022
(6) 20.76 ft on 02/20/2022
(7) 25.94 ft on 01/14/2020
(8) 20.79 ft on 03/31/2018
(9) 20.79 ft on 03/31/2018
(10) 25.70 ft on 02/27/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.10 ft on 09/15/1971
(2) 1.66 ft on 07/29/2012
(3) 1.70 ft on 09/16/2000
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:14

	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
46.5	The Raineri Construction Products building on Truitt Drive begins flooding near this height.
46.3	The Shell station between south Central Avenue and Highway 109 building and the Eureka Post Office building will both begin flooding near this height.
46	Midwest Motors dealership's office building begins flooding at this height.
45.7	Gershenson Construction on Truitt Drive begins flooding at this height.
45.3	The Legion Park Community Center will begin flooding near this height.
45	Three businesses along Truitt Drive, Earthbound Recycling Center, J.M. Mersheutz Construction, and Sellenriek Grading, begin flooding near this height.
44.5	The intersection of Highway 109 with highways W and FF will begin flooding near this height.
44	Cotton's Ace Hardware between South Central Avenue and Highway 109 begins flooding near this height.
43.5	Near this height, floodwaters will reach the top of the rim around the wastewater treatment plant lagoon.
43	Near this height, numerous businesses along Central Avenue in old town Eureka, Rockwood Bank, and the sewage treatment plant will begin flooding.
42.8	Missouri State Route 109 in the older business section of Eureka is closed near this height.
42	Missouri State Route 109 near Old State Road is flooded and closed near this height. Also, Lions Park ball fields will begin flooding near this height.
41.5	Near this height, floodwaters will reach the floors of the utility buildings at the wastewater treatment plant, including the generator shelter.
40.2	Highway 109 at Eureka Senior High School is closed.
40	The right bank begins to overflow.
35	Lighthouse Storage property begins to flood. Shelters and roads within Route 66 State Park are also flooded at this level.
34	Numerous homes on West Spring River Ranch Road begin flooding at or slightly above this level.
32.9	Near this height, the parking lot, restrooms, and smaller pavilion along Williams Road at Kircher Park in Eureka begin flooding.
32.5	At this height, about 12 houses on Willman Road start flooding the main floors. On the river's north side, another 8 homes along West Spring River Ranch Road begin flooding.
29.7	Near this height, the large pavilion floor and gazebo along Williams Road at Kircher Park in Eureka begin flooding.
28	The lowest house on West Spring River Ranch Road begins flooding on the lower level.
27	The Route 66 State Park road to the equestrian trailhead and to the boat ramp is flooded.
25.5	Hornecker Road is closed near this height.
24.5	The athletic fields at Eureka Senior High School begin flooding near this height.
23.8	Spring River Ranch Road begins flooding near this height on the east end.
22	Willman Road near the Highway 109 bridge becomes inundated and impassable.
21.2	Hunters Ford Road is closed near this height.
21	West Spring River Road becomes inundated at this height.
Photos (1) Highway 109 near Old State Road on March 22, 2008 at a stage near 39.4 feet. (2) Highway 109 near Eureka High School on March 22, 2008 with a stage near 39.3 ft. (3) Residence on Willman Road off Highway 109 on March 22, 2008 with a stage near 37.3 feet. (4) Residence on West Spring River Ranch Road on March 22, 2008 at a stage near 37.3 feet. (5) Residence on West Spring River Ranch Road on March 22, 2008 at a stage near 37.3 feet. (6) Residence on East Spring River Ranch Road on March 22, 2008 at a stage near 37.3 feet. (7) Residences along Willman Road just west of Highway 109 on March 20, 2008 with a stage near 33.8 ft. (8) Eureka High School parking lot and athletic fields on March 22, 2008 at a stage near 39.3 feet. (9) Eureka Looking Upstream (10) Eureka Looking Downstream (11) Gage well near the Route 66 bridge

About This Location

Latitude: 38.504734° N, Longitude: 90.590872° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	19 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	403.94 ft	422.94 ft	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	404.18 ft	423.18 ft	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 Eureka

Additional Information

How low could the river get?

Resources

Hydrologic Resources

Additional Resources

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
St. Louis Weather Forecast Office
12 Missouri Research Park Drive
St. Charles, MO 63304
(636) 441-8467
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Page last modified: 2-Nov-2020 7:29 PM

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