Cosumnes River at Michigan Bar, CA
River level and flood forecast · Sacramento County
The river is 7.2 ft below flood stage (10 ft).
Forecast to hold near 2.8 ft through Sat, Oct 17, 5 AM.
Flow: 53 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 7:44 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Cosumnes River at Michigan Bar to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 14 ft |
| Moderate flood stage | 12 ft |
| Flood stage | 10 ft |
| Action stage | 7 ft |
| Record crest (January 2, 1997) | 18.54 ft |
What floods at each level
From the National Weather Service, highest first.
- 16 ftJackson Road at Sloughhouse may flood; levee breaks are known to occur at this level.
- 14 ftMajor Flood Stage - Flooding along Dillard Road cuts off CA-99 access. Multiple stretches of CA-99 and Green Road flood. Levees overtop near Wilton Road.
- 13 ftDillard Road floods in multiple locations. CA-99 begins to overtop.
- 12 ftModerate Flood Stage - Dillard Road and Green Road (between Sunflower Rd and Magos Rd) flood. Farmland between Deer Creek and the Cosumnes River levee floods. Lower-elevation levees overtop.
- 10 ftMinor Flood Stage (Flood Warning) - River begins leaving the channel, with water heading toward Green Road.
- 7 ftAction Stage.
Highest crests on record
- 18.54 ft — January 2, 1997
- 16.83 ft — December 31, 2022
- 16.3 ft — March 1, 1907
- 14.76 ft — February 17, 1986
- 14.59 ft — December 23, 1955
Recent crests: 8.66 ft (January 4, 2026) · 9.32 ft (February 14, 2025) · 9.14 ft (March 2, 2024) · 11.14 ft (March 15, 2023) · 16.83 ft (December 31, 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 (MHBC1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.