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Latitude: 38.50º N | Longitude: 123.00º W | Elevation: 65 Feet | |||
Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
Action/Monitor: 29.0 Feet | Minor Flood: 32.0 Feet | Moderate Flood: 35.0 Feet | Major Flood: 40.0 Feet |
Observed Data Credit | |
![]() | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
2024* |
37,500** |
28.91 |
Feb 6, 2024 |
2023* |
44,600** |
31.83 |
Jan 10, 2023 |
2022* |
25,600** |
23.49 |
Oct 25, 2021 |
2021* |
2,950** |
8.24 |
Feb 13, 2021 |
2020* |
6,930** |
12.10 |
Dec 8, 2019 |
Historical High Stage/Flow Events (Period of Record - February 1940 to Present) - Ranked by Flow | |||
1986* |
102,000** |
49.50 |
Feb 18, 1986 |
1995* |
93,900** |
48.00 |
Jan 10, 1995 |
1965* |
93,400** |
47.35 |
Dec 23, 1964 |
1956 |
90,100** |
47.62 |
Dec 23, 1955 |
1940 |
88,400** |
46.87 |
Feb 28, 1940 |
2019* |
85,300** |
45.38 |
Feb 27, 2019 |
* Discharge affected to unknown degree by regulation or diversion | |||
** Estimated |
Location Photographs | ||
ESRI™ Locator Map |
Flood Impacts | |
49.5 Feet | Flood of record. 2/18/1986 (102,000cfs). |
48.5 Feet | Near record flooding. In Guerneville the Veterans building and the Sheriffs substation begin to flood. |
47.0 Feet | In Guerneville businesses on the north side of Main Street flood. Travel most areas impossible. |
46.0 Feet | Disastrous flooding. In Guerneville much of downtown floods. The Guerneville post office begins to flood. In Rio Nido, River Road floods. |
45.0 Feet | Disastrous 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. |
44.0 Feet | In 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 Feet | In Guerneville, River Road closed. In Monte Rio the main intersections flood. Monte Rio Elementary School begins to flood. |
40.0 Feet | Major flooding is expected along the Russian River. In Guerneville travel on River Road becomes very difficult. In Northwood upper Redwood Drive floods. In Cazadero Austin Creek Road floods. |
39.0 Feet | 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. |
38.0 Feet | In Duncan Mills Freezeout Road at Moscow Road floods. In Guerneville Park Cazadero Road at HWY 116 floods. |
37.0 Feet | 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. |
36.0 Feet | In Forestville Mirabel Park Resort and Mirabel trailer park flood. In Guerneville Fern Road at HWY 116 floods. |
35.0 Feet | Moderate flooding is forecast along the lower Russian River. 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. |
34.0 Feet | In Guerneville flooding begins at Johnsons Resort, Parkers Resort, Creekside Resort and Riverside Park. In Northwood lower Redwood Drive begins to flood. |
33.0 Feet | 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. |
32.5 Feet | In Guerneville the intersecton of HWY 116 and Neeley Rd is closed. Mays Canyon Rd by the old rodeo grounds is closed. |
32.0 Feet | Flood stage. Minor flooding. Lower Mill Street in Guerneville and Old Bohemian Highway in Monte Rio are expected to flood. |
29.0 Feet | Monitor stage. |
Official 7 Day National Weather Service Forecast (CAZ506) |
rest of Tonight: Partly cloudy. Patchy fog after midnight. Lows in the 40s to lower 50s. West winds 10 to 15 mph. Tuesday: Sunny. Highs in the 60s to lower 70s. Northwest winds 5 to 10 mph and becoming west 10 to 20 mph in the afternoon. Tuesday Night: Mostly clear. Lows in the 40s to lower 50s. West winds 10 to 20 mph. Wednesday: Sunny. Highs in the mid 60s to upper 70s. West winds 5 to 15 mph. Wednesday Night: Mostly clear. Lows in the mid 40s to lower 50s. West winds 5 to 15 mph. Thursday: Sunny in the morning then becoming partly cloudy. Highs in the mid 60s to lower 80s. Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. Friday through Saturday: Partly cloudy. Highs in the mid 60s to lower 80s. Lows in the upper 40s to mid 50s. Saturday Night and Sunday: Mostly clear. Lows in the 40s to mid 50s. Highs in the upper 60s to lower 80s. Sunday Night and Monday: Clear. Lows in the upper 40s to mid 50s. Highs in the lower 70s to mid 80s. |
Product Disclaimer |
This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS San Francisco Bay Area-Monterey Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only. |