Rivers in Wisconsin

Oconto River near Oconto

Oconto County, WisconsinNWS OCTW3USGS 04071765Green Bay office

Below flood stage
4.64ftStage

Observed Tue, Sep 22, 12:00 AM CDT

Flood stage
9.00 ft
Record crest
14.53 ft1952

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood14.00 ft
Moderate flood12.00 ft
Minor flood9.00 ft
Action7.00 ft
  1. 16.00 ftAbout a foot of water is likely covering Highway 41 in the city of Oconto adjacent to the river.
  2. 15.00 ftWater begins to spread over Highway 41 adjacent to the river in Oconto. Widespread agricultural flooding is occurring.
  3. 14.50 ftIn the city of Oconto water reaches the intersection of Park Avenue and Adams Street. Widespread agricultural land and lowland is flooded.
  4. 14.00 ftWater reaches portions of Adams Street and Pecor Street near the Cruisers buildings. Widespread flooding is occurring over agricultural land and lowland.
  5. 13.00 ftA campground and park are under several feet of water. Water approaches homes on Farnsworth Street and Holtwood Way. There is widespread moderate flooding of lowland and agricultural land.
  6. 11.00 ftUp to 2 feet of water is covering a campground in Oconto. Floodwaters begin to reach city streets adjacent to the river.
  7. 10.00 ftUp to a foot of water surrounds structures in a campground in the City of Oconto.
  8. 9.00 ftFloodwaters begin to spread into a public campground in the City of Oconto. Water approaches the backyards of several homes along the river in Oconto and there is widespread lowland flooding.
  9. 8.50 ftFloodwaters mainly impact wooded lowland. Water approaches structures in a public campground in the City of Oconto.
  10. 7.00 ftWater approaches a public campground in the City of Oconto and there is flooding of lowland.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

26 crests on NOAA’s list since 1952.

#DateStage
1April 21, 195214.53 ft
2April 15, 198614.51 ft
3March 29, 200413.24 ft
4April 19, 201911.89 ft
5April 14, 202611.51 ft
6March 13, 199011.24 ft
7March 28, 198910.91 ft
8March 29, 202010.73 ft
9May 7, 202310.51 ft
10March 31, 199810.47 ft
11April 5, 202310.26 ft
12April 17, 200310.22 ft
13May 14, 202210.19 ft
14June 15, 201710.03 ft
15December 15, 20159.82 ft
16March 17, 20169.75 ft
17June 23, 19909.65 ft
18May 19, 20209.55 ft
19July 8, 20109.45 ft
20April 27, 20119.33 ft
21June 27, 20169.27 ft
22April 11, 20089.21 ft
23March 31, 20059.09 ft
24March 14, 20079.08 ft
25April 11, 20149.07 ft

Most recent crests

  • April 14, 2026: 11.51 ft
  • May 7, 2023: 10.51 ft
  • April 5, 2023: 10.26 ft
  • May 14, 2022: 10.19 ft
  • March 13, 2021: 7.42 ft
  • May 19, 2020: 9.55 ft
  • March 29, 2020: 10.73 ft
  • April 19, 2019: 11.89 ft
  • June 15, 2017: 10.03 ft
  • June 27, 2016: 9.27 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Sources

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.