Russian River at Guerneville, CA

River level and flood forecast · Sonoma County

Normal4.2 ftas of Mon 8 PM

The river is 27.8 ft below flood stage (32 ft).

Forecast to hold near 4.2 ft through Sat, Oct 17, 5 AM.

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.

Get flood alerts for this river

An email when the National Weather Service forecasts Russian River at Guerneville to flood, when it floods, and when it's over.

Flood stages

Major flood stage	40 ft
Moderate flood stage	35 ft
Flood stage	32 ft
Action stage	29 ft
Record crest (February 18, 1986)	49.5 ft

What floods at each level

From the National Weather Service, highest first.

49.5 ftFlood of record. 2/18/1986 (102,000cfs).
48.5 ftNear record flooding. In Guerneville the Veterans building and the Sheriffs substation begin to flood.
47 ftIn Guerneville businesses on the north side of Main Street flood. Travel most areas impossible.
46 ftDisastrous flooding. In Guerneville much of downtown floods. The Guerneville post office begins to flood. In Rio Nido, River Road floods.
45 ftDisastrous flooding is forecast to occur along the lower Russian River. Much of downtown Guerneville will become inundated. Many roads will flood making travel nearly impossible throughout the reach.
44 ftIn Guerneville HWY 116 west of town closed. Safeway floods. In Monte Rio and Guerneville Park the main business sections flood. Travel in most areas nearly impossible.
41.5 ftIn Guerneville, River Road closed. In Monte Rio the main intersections flood. Monte Rio Elementary School begins to flood.
40 ftMajor Flood Stage. In Guerneville travel on River Road becomes very difficult. In Northwood upper Redwood Drive floods. In Cazadero Austin Creek Road floods.
39 ftWest of Duncan Mills HWY 116 is closed. In Hacienda River Road floods. In Rio Nido Canyon 7 Road at the miniture golf course floods. In Guerneville the Triple R Resort begins to flood.
38 ftIn Duncan Mills Freezeout Road at Moscow Road floods. In Guerneville Park Cazadero Road at HWY 116 floods.
37 ftIn Forestville Mirabel Road at River Road floods. In Guerneville River Road east of Guerneville floods. Mill Street and 5th Street flood. In Monte Rio River Blvd east of Monte Rio floods.
36 ftIn Forestville Mirabel Park Resort and Mirabel trailer park flood. In Guerneville Fern Road at HWY 116 floods.
35 ftModerate flood Stage. Numerous businesses and residences in the lowest sections of towns within the reach are expected to flood. In Guerneville Brookside Resort begins to flood. More extensive flooding occurs at Parkers Resort. In Northwood lower Redwood Drive floods.
34 ftIn Guerneville flooding begins at Johnsons Resort, Parkers Resort, Creekside Resort and Riverside Park. In Northwood lower Redwood Drive begins to flood.
33 ftIn Guerneville the intersection of HWY 116 and Drake Rd is closed. In Monte Rio Willow and Alder Streets flood. In Forestville Mirabel trailer park begins to flood.
32.5 ftIn Guerneville the intersecton of HWY 116 and Neeley Rd is closed. Mays Canyon Rd by the old rodeo grounds is closed.
32 ftFlood stage. Minor flooding. Lower Mill Street in Guerneville and Old Bohemian Highway in Monte Rio are expected to flood.
29 ftAction Stage.

Highest crests on record

49.5 ft — February 18, 1986
48 ft — January 10, 1995
47.62 ft — December 23, 1955
47.35 ft — December 23, 1964
46.87 ft — February 28, 1940

Recent crests: 31.83 ft (January 10, 2023) · 23.49 ft (October 25, 2021) · 8.24 ft (February 13, 2021) · 12.1 ft (December 8, 2019) · 45.38 ft (February 27, 2019)

Up and down the river, and nearby

See it on the live map →Radar & warnings for Sonoma County NWS gauge page USGS gauge 11467002

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GUEC1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.