Oak Creek at South Milwaukee, WI
River level and flood forecast · Milwaukee County
The river is 5.5 ft below flood stage (8 ft).
Flow: 21 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 Oak Creek at South Milwaukee to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 11 ft |
| Moderate flood stage | 10 ft |
| Flood stage | 8 ft |
| Action stage | 5.5 ft |
| Record crest (June 7, 2008) | 11.56 ft |
What floods at each level
From the National Weather Service, highest first.
- 10 ftParts of Oak Creek Parkway flooded, including near the railroad overpass, along with walking paths. Yards along the creek are flooded.
- 9 ftParts of Oak Creek Parkway flooded, including near the railroad overpass / High School, along with walking paths. Yards along the creek are flooded.
- 8 ftWalking paths along Oak Creek Parkway flood.
- 7 ftThere is flooding to lowland and wooded land in the South Milwaukee area.
- 6 ftThere is minor flooding to lowland and wooded land in the South Milwaukee area.
- 5.5 ftThere is minor flooding to lowland and wooded land in the South Milwaukee area.
Highest crests on record
- 11.56 ft — June 7, 2008
- 11.25 ft — July 22, 2010
- 10.52 ft — August 10, 2025
- 9.97 ft — September 12, 2022
- 9.88 ft — August 6, 1986
Recent crests: 8.78 ft (April 16, 2026) · 8.33 ft (April 4, 2026) · 10.52 ft (August 10, 2025) · 9.13 ft (February 27, 2023) · 9.97 ft (September 12, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (OAKW3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.