Missouri River at Washington

Last updated: Jun 21, 2025, 11:00 PM UTC
Heat Advisory

Flood Impacts 🅘

  • 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.

Gauge Info

Coordinates 38.5597, -91.0075
RFC MBRFC
State MO
WFO LSX
County Franklin
Data Provider(s)
US Geological Survey USGS--Water Resources of the United States
USGS 06935450

Gauge Location

Recent Crests

1. 22.69 ft on 05-01-2024 (P)
2. 21.66 ft on 05-06-2022
3. 24.33 ft on 06-29-2021
4. 21.22 ft on 04-13-2021
5. 24.50 ft on 03-19-2021

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

Low Water Records

1. -3.30 ft on 12-14-1937
2. -3.20 ft on 01-29-1936
3. -2.69 ft on 12-31-2022
4. -2.65 ft on 11-19-2006
5. -2.30 ft on 01-24-1963
(P) -  Preliminary values subject to further review
¹ -  Gauge datum changed during this year

Vertical Datum Table

type NAVD88
major Flooding 488.27 ft
moderate Flooding 485.27 ft
minor Flooding 477.27 ft
action 475.27 ft
Latest Value 466.50 ft
Gauge Zero 457.27 ft

Gauge Photos

Photo 1 of 13

Access road to boat docks and Washington boat club on September 17, 2008 at 26.6 feet.

Probability Information

Photo 1 of 3

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.

WFO Information

Weather Forecast Office
St. Louis
12 Missouri Research Park Drive
St. Charles, MO 63304
Official Homepage