Sacramento River at Colusa Bridge, CA
River level and flood forecast · Colusa County
The river is 30.1 ft below flood stage (70 ft).
Forecast to hold near 39.9 ft through Sat, Oct 17, 5 AM.
Flow: 4,190 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 7:41 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 Sacramento River at Colusa Bridge to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 73 ft |
| Moderate flood stage | 72 ft |
| Flood stage | 70 ft |
| Action stage | 63 ft |
| Record crest (January 3, 1997) | 68.83 ft |
What floods at each level
From the National Weather Service, highest first.
- 73 ftStages above 73.0 feet result in major flooding of the area outside the levees. Top of levee.
- 67.2 ftWater moves into parking lot and patio of RV Park located 0.7 miles downstream of gauge on left bank of river.
- 65 ftWater impacts the parking lot of RV Park 4 miles downstream of gauge on left bank of river. RV Park is located inside the levee.
- 63 ftMonitor Stage. The Colusa-Sacramento River State Recreation Area begins to experience high water impacts.
Highest crests on record
- 68.83 ft — January 3, 1997
- 68.55 ft — February 7, 2025
- 68.5 ft — March 4, 1983
- 68.33 ft — March 1, 2019
- 68.25 ft — February 20, 2017
Recent crests: 66.9 ft (February 27, 2026) · 68.55 ft (February 7, 2025) · 67.44 ft (February 21, 2024) · 66.83 ft (March 16, 2023) · 67.48 ft (January 16, 2023)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CLUC1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.