Des Plaines River at Lyons

1. 24.00 ftWidespread inundation of industrial property and structures north of the river in McCook. Numerous residences threatened near the river in Lyons.
2. 23.50 ftWater reaches the top of the west bank levees in Lyons and McCook.
3. 22.00 ftWater reaches the top of the east bank levee in Lyons, Stickney, and Forest View.
4. 21.00 ftWithout flood protection from levees, widespread inundation of industrial property and structures would occur north of the river in McCook.
5. 20.00 ftStructures are threatened along River Road near the river in Hodgkins.
6. 19.00 ftIndustrial parking area near the river and I-55 is threatened.
7. 14.00 ftWithout flood protection from levees, water would begin to bypass the main river channel through Chicago Portage toward the Chicago River Basin and areas once covered by Mud Lake.

Significant river flooding is likely here through September 25.

Weather conditions indicate that significant flooding can be expected during the outlook period.

The five-day outlook is from the Weather Prediction Center with the River Forecast Centers.

Most recent crests

• May 18, 2020: 22.71 ft
• May 1, 2019: 20.09 ft
• February 21, 2018: 19.58 ft
• October 15, 2017: 20.75 ft
• July 22, 2017: 19.81 ft
• May 1, 2017: 18.53 ft
• June 16, 2015: 19.66 ft
• April 18, 2013: 22.87 ft

• UpstreamDes Plaines River at Riverside
• DownstreamDes Plaines River at Lemont
• Summit Conduit at Summit
• Mainstream Deep Tunnel at McCook Reservoir
• Chicago Sanitary and Ship Canal at Stickney
• Salt Creek (IL) at Western Springs
• Des Plaines River at River Forest
• Addison Creek at Bellwood
• Flag Creek at Willow Springs

Forecasts by the North Central River Forecast Center. Forecasts are not available. Only observed stages are available for this point.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.