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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 |
Monitor Stage: 29.0 Feet | Flood Stage: 32.0 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 | |||
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 |
2019* |
85,300** |
45.38 |
Feb 27, 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 |
Impacts - E19 Information | |
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 late in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. Southwest winds 10 to 20 mph. Saturday: Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. A slight chance of drizzle in the morning. Highs in the mid 60s to upper 70s. Southwest winds 10 to 20 mph. Saturday Night: Mostly clear in the evening then becoming mostly cloudy. Areas of fog after midnight. Lows in the upper 40s to mid 50s. Southwest winds 5 to 15 mph. Sunday: Mostly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the mid 60s to lower 80s. South winds 5 to 10 mph and becoming southwest 10 to 20 mph in the afternoon. Sunday Night: Mostly clear in the evening then becoming mostly cloudy. Areas of fog after midnight. Lows in the 40s to upper 50s. Southwest winds 10 to 20 mph and becoming 5 to 10 mph after midnight. Monday: Mostly cloudy in the morning then becoming sunny. Areas of fog. Highs in the upper 60s to lower 80s. Monday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the 50s. Tuesday: Partly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s. Tuesday Night through Wednesday Night: Mostly clear except patchy fog. Lows in the 50s to lower 60s. Highs in the mid 70s to upper 80s. Thursday: Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to lower 90s. Thursday Night: Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 50s to lower 60s. Friday: Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to lower 90s. |
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. |