Rock River at Como, IL
River level and flood forecast · Whiteside County
Normal5.4 ftas of Mon 1:45 PM
The river is 7.1 ft below flood stage (12.5 ft).
Flow: 7,970 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Sep 20, 8:56 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 18 ft |
| Moderate flood stage | 15.5 ft |
| Flood stage | 12.5 ft |
| Action stage | 10 ft |
| Record crest (July 23, 2017) | 15.64 ft |
What floods at each level
From the National Weather Service, highest first.
- 15.6 ftBlue Goose Road near Anderson Road east of Lyndon is overtopped and south of Como, water is encroaching onto Prophetstown Road west of Luther Road.
- 12.8 ftWater begins to encroach into properties on Regan Road northeast of Como.
- 12.3 ftWater begins to encroach on the parking areas at Lawrence Park boat launch in Sterling and the Moline Road rest area boat launch southwest of Como.
- 10 ftWater begins to encroach on the parking area at Prophetstown State Park.
Highest crests on record
- 15.64 ft — July 23, 2017
- 15.18 ft — March 16, 2019
- 14.68 ft — February 21, 2018
- 13.3 ft — October 5, 2019
- 12.97 ft — July 16, 2024
Recent crests: 12.97 ft (July 16, 2024) · 13.3 ft (October 5, 2019) · 15.18 ft (March 16, 2019) · 14.68 ft (February 21, 2018) · 15.64 ft (July 23, 2017)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CMOI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.