Wapsipinicon River near DeWitt, IA
River level and flood forecast · Clinton County
Near flood stage10.7 ftas of Mon 3:30 PM
The river is 0.3 ft below flood stage (11 ft).
Forecast to fall to 8.2 ft by Mon, Oct 19, 7 AM.
Flow: 5,540 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:23 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 12.5 ft |
| Moderate flood stage | 11.5 ft |
| Flood stage | 11 ft |
| Action stage | 10 ft |
| Record crest (July 2, 2014) | 14.32 ft |
What floods at each level
From the National Weather Service, highest first.
- 16.5 ftWater affects the lowest sections of U.S. Highway 61 near the river and reaches the lowest sections of the County Road Y52 bridge deck.
- 16 ftWater reaches the bottom of the U.S. Highway 67 bridge deck near Folletts and reaches the bottom of the County Road E63/Y22 bridge deck near Toronto.
- 15.5 ftWater reaches the bottom of the County Road Z30 bridge deck. Water reaches the bottom of the Iowa Highway 956 bridge deck.
- 15 ftWater reaches the bottom of the U.S. Highway 30 bridge deck and affects the lowest sections of U.S. Highway 30 between Wheatland and Calamus.
- 14.5 ftWater affects U.S. Highway 67 near Folletts and affects the lowest sections of County Road Z30 near McCausland. Water also affects the lowest sections of County Road Y52 near the river and affects access roads to Buena Vista.
- 14 ftWater reaches the bottoms of the U.S. Highway 67 bridge decks over the Wapsipinicon backwaters. Water also overtops the floodwall to an establishment near the old U.S. Highway 61 bridge.
- 13 ftWater affects many residences along the river.
- 12.5 ftWater affects old U.S. Highway 61 near the river.
- 12 ftOverbank flooding occurs. Water affects residences along the river between Wheatland and Calamus. Water affects businesses along the river near Calamus.
- 11.5 ftWater affects homes along old U.S. Highway 61.
- 11 ftWater affects County Road E63 north of the river near Toronto and affects the lowest roads in Buena Vista.
- 10 ftWater affects a few residences along the river.
- 9.5 ftWater affects Walnut Grove Park in Toronto.
Highest crests on record
- 14.32 ft — July 2, 2014
- 14.19 ft — June 17, 1990
- 14.13 ft — June 16, 2008
- 13.97 ft — September 10, 2018
- 13.92 ft — October 7, 2018
Recent crests: 12.29 ft (July 10, 2026) · 12.6 ft (April 13, 2026) · 12.21 ft (May 4, 2025) · 11.88 ft (July 5, 2024) · 13.46 ft (June 2, 2024)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (DEWI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.