Platte River (WI) at Rockville, WI
River level and flood forecast · Grant County
The river is 4.5 ft below flood stage (9 ft).
Flow: 128 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 Platte River (WI) at Rockville to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 13 ft |
| Moderate flood stage | 11 ft |
| Flood stage | 9 ft |
| Action stage | 7 ft |
| Record crest (July 16, 1950) | 17.26 ft |
What floods at each level
From the National Weather Service, highest first.
- 22.7 ftWater is up to the bottom of the highway B bridge.
- 9 ftMinor flooding of lowland agricultural areas adjacent to the river begins.
Highest crests on record
- 17.26 ft — July 16, 1950
- 15.54 ft — February 21, 1985
- 15.15 ft — April 25, 2008
- 14.85 ft — June 29, 1990
- 14.17 ft — June 12, 2008
Recent crests: 9.53 ft (April 18, 2026) · 10.2 ft (August 19, 2025) · 9.43 ft (September 22, 2019) · 13.73 ft (September 19, 2019) · 9.93 ft (September 15, 2019)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RVLW3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.