Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 

This probabilistic forecast is issued by the Missouri Basin River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Missouri River at Washington are issued routinely year-round.

Vertical datum height surveyed by the USGS

Return to Area Map

Upstream Gauge - at Hermann Upstream Gauge Downstream Gauge Downstream Gauge - at St. Charles
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 31
Moderate Flood Stage: 28
Flood Stage: 20
Action Stage: 18
Low Stage (in feet): 0

Historic Crests
(1) 35.40 ft on 07/31/1993
(2) 32.90 ft on 05/19/1995
(3) 32.50 ft on 10/06/1986
(4) 32.25 ft on 06/01/1844
(5) 31.88 ft on 05/04/2017
(6) 30.90 ft on 07/19/1951
(7) 30.17 ft on 12/30/2015
(8) 30.10 ft on 04/24/1973
(9) 29.60 ft on 09/24/1993
(10) 29.28 ft on 06/08/2019
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 22.05 ft on 03/21/2020 (P)
(2) 22.83 ft on 01/12/2020
(3) 21.96 ft on 10/12/2019
(4) 20.73 ft on 09/02/2019
(5) 20.41 ft on 08/26/2019
(6) 29.28 ft on 06/08/2019
(7) 22.16 ft on 05/13/2019 (P)
(8) 26.52 ft on 05/03/2019 (P)
(9) 25.05 ft on 03/31/2019 (P)
(10) 21.14 ft on 10/14/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -3.30 ft on 12/14/1937
(2) -3.20 ft on 01/29/1936
(3) -2.65 ft on 11/19/2006
(4) -2.30 ft on 01/24/1963
(5) -1.94 ft on 12/15/2005
Show More Low Water Records
KML Image
Gauge LocationGauge Map Marker
 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 Collapse
If you notice any errors in the below information, please contact our Webmaster
34.5 The railroad crossing at Lafayette Street floods near this height.
34 The main office and the RIAS pump building at the old Water Treatment Plant flood near this height.
33 Union Pacific Railroad tracks begin to flood in town.
32.5 Missouri Valley Levee District Section 1 protecting farms between Treloar and Marthasville is overtopped near this height.
32.4 The Water Works building begins flooding near this height.
32 The Highway 47 bridge closes near this height. Southbend Drive between Ninth Street and Steamboat Street closes near this height. Secondary buildings at the old Water Treatment Plant flood. The Missouri Valley Levee District Section 2 south of Marthasville will overtop near this height.
31.9 Ninth Street and International Avenue begin flooding near this height.
30.9 Westlink Drive begins flooding north of the compost facility.
30.2 East Fifth Street at Old Highway 100 and Westlink Drive between Edison Brothers and West Main Street both close near this height. Also, Missouri State Highway F along Femme Osage Creek northwest of Defiance will be closed due to backwater near this height.
30 The West End Lift Station at Front Street and Tiemann Drive and the Westlink Drive Lift Station in Washington flood near this height.
29.4 West Main and Tiemannn Drive begins flooding near this height.
29 State Highway 47 begins to flood near Augusta Bottom Road and at Lake Creek Bridge near the Highway 94 turnoff to Dutzow.
27.6 Near this height...Missouri Highway 94 begins flooding near Terry Road about a mile southwest of Matson.
26.7 The Holtmeier Levee along the right bank 4 to 5 miles northwest of Washington will overtop near this height.
26.5 The Tuque Creek levee along the left bank between Marthasville and Washington and the Labadie Bottom and St. Albans levees will overtop near this height.
26 Agricultural land on the left bank begins to flood. St. Albans Partners levee will overtop near this height.
24.5 Augusta Bottom Road begins flooding east of Highway 47.
23.8 Callaway Fork Road north of Highway F begins flooding in western St. Charles County.
23.5 Riverfront Trail 2.25 miles east of the last bench in the woods floods.
21 Wastewater plant turns pumps on.
17.5 Lower River front parking lot is closed
2 This level represents the end of the city boat ramp. Below this level, the boat ramp drops straight down, making it dangerous for boats to safely launch into or be taken from the river.
Photos
(1) Boat ramp and roadside park off Highway 94 on September 17, 2008 at a Washington stage near 27.2 ft.
(2) Highway 94 east of Augusta on September 17, 2008 at a Washington stage near 27.2 ft.
(3) Highway 94 westbound east of Defiance on September 17, 2008 with a Washington stage near 27.2 ft.
(4) Access road to boat docks and Washington boat club on September 17, 2008 at 26.6 feet.
(5) Riverfront boat docks on September 17, 2008 at a stage of 26.6 feet.
(6) James W. Rennick Riverfront Park on September 17, 2008 at a stage of 26.6 feet.
(7) Parking lot at James W. Rennick Riverfront Park under water on September 17, 2008 at 26.6 ft.
(8) Washington pumphouse, rain gage, solar panel, and display on July 21, 2011.
(9) Pressure transducer gage inside a Washington, Missouri pumphouse.
(10) Sectional staff gage on September 17, 2008 at 26.6 feet.
(11) Sectional staff gages at the Washington boat ramp on July 21, 2011.
(12) Primary slope gage at the Washington boat ramp.
(13) Slope gage at the Washington boat house.

Other Real-time and/or Archive Data Sources:
Additional Information Collapse
How low could the river get?
Collaborative Agencies Collapse
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
Ask Questions/Webmaster
Page last modified: 6-Nov-2019 2:40 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities