River Conditions
Illustrated map of Lake Tahoe

River stage

Guerneville, Russian River

River level
4.21 ft
Status
Below flood stage
7-day change
+0.07 ft
Recent high
8.31 ft
Recent low
4.06 ft

Last reported 2026-10-13 | NWS GUEC1

30-day change
-3.66 ft
Average
7.44 ft
Readings
122
Data span
122 days
Record crest
49.50 ft

In brief

The Russian River at Guerneville, CA read 4.21 ft on Oct 13, 2026, 24.79 ft below action stage. That is 3.66 ft lower than 30 days earlier.

Source: National Weather Service gauge GUEC1

River level timeline

3.54.86.07.28.5SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 7.92LOW 4.064.21 ftLAST READING

Stage threshold profile

Action stage 29.00 ftMinor flooding 32.00 ftModerate flooding 35.00 ftMajor flooding 40.00 ft CURRENT 4.21 ft

Highest crests on record

RankCrestDate
1 49.50 ft 1986-02-18
2 48.00 ft 1995-01-10
3 47.62 ft 1955-12-23
4 47.35 ft 1964-12-23
5 46.87 ft 1940-02-28
6 45.38 ft 2019-02-27
7 44.99 ft 1997-01-01
8 44.25 ft 1997-01-02

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 29.00 ft

    Action Stage.

  2. 32.00 ft

    Flood stage. Minor flooding. Lower Mill Street in Guerneville and Old Bohemian Highway in Monte Rio are expected to flood.

  3. 32.50 ft

    In Guerneville the intersecton of HWY 116 and Neeley Rd is closed. Mays Canyon Rd by the old rodeo grounds is closed.

  4. 33.00 ft

    In 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.

  5. 34.00 ft

    In Guerneville flooding begins at Johnsons Resort, Parkers Resort, Creekside Resort and Riverside Park. In Northwood lower Redwood Drive begins to flood.

  6. 35.00 ft

    Moderate 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.

  7. 36.00 ft

    In Forestville Mirabel Park Resort and Mirabel trailer park flood. In Guerneville Fern Road at HWY 116 floods.

  8. 37.00 ft

    In 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.

  9. 38.00 ft

    In Duncan Mills Freezeout Road at Moscow Road floods. In Guerneville Park Cazadero Road at HWY 116 floods.

  10. 39.00 ft

    West 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.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Russian River flooding at Guerneville?

No. The Russian River at Guerneville is at 4.21 ft, 24.79 ft below action stage.

What is the flood stage at Guerneville?

The National Weather Service sets action stage 29 ft, minor flooding 32 ft, moderate flooding 35 ft and major flooding 40 ft.

What is the highest the Russian River has been at Guerneville?

The highest crest on record is 49.5 ft, on 1986-02-18.

Is the Russian River high or low right now at Guerneville?

At 4.21 ft it is higher than 11% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge GUEC1); daily history from the U.S. Geological Survey (site 11467002). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.