Russian River near Hopland, CA
River level and flood forecast · Mendocino County
The river is 14.0 ft below flood stage (15 ft).
Forecast to hold near 1.0 ft through Sat, Oct 17, 5 AM.
Flow: 175 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 7:33 AM. Forecasts change as rain falls and as upstream water arrives.
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An email when the National Weather Service forecasts Russian River near Hopland to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 26 ft |
| Moderate flood stage | 23 ft |
| Flood stage | 15 ft |
| Record crest (December 15, 1937) | 30 ft |
What floods at each level
From the National Weather Service, highest first.
- 30 ftDisastrous flooding. Many homes and businesses damaged. Numerous primary and secondary roads and some bridges could be washed out. This is equal to the highest known stage, which occurred in December 1937. 6500 acres were inundated by flood waters.
- 28 ftDisastrous flooding will occur. Many homes and businesses could be damaged. Many primary and secondary roads and some bridges could be washed out.
- 27 ftWidespread major flooding. At the forecast level, over 500 homes and farm buildings were damaged on December 22, 1955. 6300 acres of land were inundated by flood waters. All persons in the areas area urged to move to high ground and take appropriate action to protect life and property.
- 26 ftWidespread major flooding will occur. Primary roads and some bridges will flood.
- 25 ftSevere bank erosion is likely with widespread flooding of farmland, buildings, and low-lying homes in the Hopland, Ukiah, and Talmage areas. Many secondary roads will be flooded. This level of flooding caused 6100 acres to flood in February 1940.
- 24 ftFlooding of low-lying structures and farmland in the Hopland, Ukiah, and Talmage areas. Many secondary roads may also be flooded. Severe bank erosion is possible.
- 23 ftFlooding of farmland, buildings, and low-lying homes in the Hopland area. Flooding will begin in the Ukiah and Talmage areas.
- 21 ftFlooding of low-lying structures just west of the railroad tracks near Hopland.
- 20 ftFlooding of low-lying structures east of the railroad tracks near Hopland.
- 18 ftFlooding of Highway 222 near Ukiah. Secondary roads in low-lying areas will be flooded in the Hopland, Ukiah, and Talmage areas.
- 17 ftSignificant flooding of Highway 175 at the approaches to the Russian River bridge. Minor flooding of Highway 222 near Ukiah, and in crop land along the left and right banks of the Russian River near Hopland.
- 15 ftFlooding of Highway 175 is expected at the approaches to the Russian River bridge. Expect flooding of cropland on the right bank of river.
Highest crests on record
- 30 ft — December 15, 1937
- 27 ft — December 22, 1955
- 26.81 ft — December 31, 2005
- 26.12 ft — January 21, 1943
- 26.01 ft — December 22, 1964
Recent crests: 18.55 ft (January 5, 2026) · 18.05 ft (December 22, 2025) · 19.32 ft (February 5, 2025) · 18.32 ft (February 5, 2024) · 17.31 ft (February 1, 2024)
Up and down the river, and nearby
- DownstreamRussian River near Healdsburg, CA
- Russian River near Talmage, CA
- Russian River near Cloverdale 6NW, CA
- Clear Lake at Lakeport, CA
- East Fork Russian River near Calpella, CA
- Big Sulphur Creek near Cloverdale, CA
- Kelsey Creek near Kelseyville, CA
- Big Sulphur Creek at Geysers Resort NR Cloverdale, CA
- Russian River at Geyserville, CA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HOPC1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.