Nemadji River near Superior, WI
River level and flood forecast · Douglas County
The river is 20.3 ft below flood stage (24 ft).
Flow: 38 cubic feet per second (USGS).
River camera
Watch the time-lapse
Camera by the U.S. Geological Survey. Most take a picture every hour, some every few minutes; many stop at night.
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 Nemadji River near Superior to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 28 ft |
| Moderate flood stage | 26 ft |
| Flood stage | 24 ft |
| Action stage | 22 ft |
| Record crest (June 17, 2018) | 29.31 ft |
What floods at each level
From the National Weather Service, highest first.
- 31 ftSeveral feet of flowing water over County Highway C bridge.
- 28 ftIce or debris may jam at bridge constriction. Backwater flooding may flood home west of river on County Rd. C. In 2018 water flowed over US HWY 2 at this level.
- 27 ftHighway 2 potentially inundated by Nemadji River marshland overflow. In June of 2018 3 to 12 inches of water covered Eastbound lanes at this level closing the US Highway.
- 26 ftWater level encroaches house west of Nemadji River on County rd. C.
- 25 ftWater reaches the bottom of the concrete cross beams of the bridge at County Rd. C. At this level floodwaters may cause Woodlawn Rd. to become inpassable.
- 23.5 ftWater level is near bottom of County Highway C bridge deck. Large area of backwater develops upstream of bridge. Debris jamming under bridge is possible at this level.
- 22.1 ftThe Nemadji river encroches Bardon Ave/Woodlawn Rd. Between Golf View Dr. and N42nd St.
- 14 ftWater begins to come out of banks. No known impacts.
Highest crests on record
- 29.31 ft — June 17, 2018
- 27.37 ft — August 3, 2011
- 27.37 ft — June 21, 2012
- 26.06 ft — July 12, 2016
- 25.97 ft — September 6, 1990
Recent crests: 14.9 ft (May 3, 2025) · 20.23 ft (June 6, 2024) · 24.77 ft (April 13, 2023) · 19.05 ft (May 13, 2022) · 18.81 ft (March 25, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SOSW3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.