Wisconsin River at Merrill, WI
River level and flood forecast · Lincoln County
The river is 7.3 ft below flood stage (11 ft).
Flow: 748 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Wisconsin River at Merrill to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 15 ft |
| Moderate flood stage | 13.5 ft |
| Flood stage | 11 ft |
| Action stage | 10 ft |
| Record crest (August 31, 1941) | 18.26 ft |
What floods at each level
From the National Weather Service, highest first.
- 18 ftThe Merrill sewage disposal plant, area parks and lowland are flooded. The western approach of Highway 64 bridge is covered with floodwaters.
- 16 ftThe west approach to the highway 64 bridge becomes flooded.
- 13 ftSeveral feet of water may be covering area parks and lowland in Merrill. Floodwaters reach the base of the river gauging station.
- 11 ftFlooding mainly affects Merrill area parks and agricultural land.
- 10 ftThere is minor lowland flooding.
- 3.5 ftSubmerged rocks and structures may become more hazardous to boaters over more sections of the river.
Highest crests on record
- 18.26 ft — August 31, 1941
- 17.5 ft — July 24, 1912
- 13.85 ft — September 18, 1942
- 13.28 ft — April 14, 2023
- 13.28 ft — April 14, 2023
Recent crests: 13.28 ft (April 14, 2023) · 13.28 ft (April 14, 2023) · 11.97 ft (April 14, 2022) · 8.61 ft (April 13, 2021) · 10.42 ft (March 30, 2020)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RRLW3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.