Mississippi River at Quincy

Last updated: Jun 11, 2025, 1:18 AM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 35 - The Flood wall protecting the Quincy Water Plant is overtopped. The South Quincy Drainage District levee is overtopped near this height, flooding 5500 acres on the Illinois side 1 to 9 miles downstream of Quincy.
  • 34 - Near this height, the South Quincy Drainage District levee overtops.
  • 31 - The Comstock Stove Castle Company warehouse begins flooding near this height.

Gauge Info

Coordinates 39.9322, -91.4161
RFC NCRFC
State IL
WFO LSX
County Adams
Data Provider(s)
US Army Corps of Engineers Rivergages.com

Gauge Location

Recent Crests

1. 21.18 ft on 05-05-2023
2. 19.58 ft on 04-02-2020
3. 20.05 ft on 10-17-2019
4. 18.03 ft on 10-01-2019
5. 17.33 ft on 07-09-2019

Historic Crests

1. 32.13 ft on 07-13-1993
2. 31.16 ft on 05-03-2019
3. 30.80 ft on 06-18-2008
4. 28.90 ft on 04-25-1973
5. 27.75 ft on 04-21-2013

Gauge Photos

Photo 1 of 19

Quincy During 1993 Flood

Probability Information

Photo 1 of 2

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