National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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RUSSIAN RIVER - GUERNEVILLE (GUEC1)
Latitude: 38.50º NLongitude: 123.00º WElevation: 65 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Jul 14 2024 at 8:27 AM PDTNext Issuance: Jul 15 2024 at 9:00 AM PDT
Monitor Stage: 29.0 FeetFlood Stage: 32.0 Feet

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Verification - Historical Graphical RVF
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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 FeetFlood of record. 2/18/1986 (102,000cfs).
48.5 FeetNear record flooding. In Guerneville the Veterans building and the Sheriffs substation begin to flood.
47.0 FeetIn Guerneville businesses on the north side of Main Street flood. Travel most areas impossible.
46.0 FeetDisastrous flooding. In Guerneville much of downtown floods. The Guerneville post office begins to flood. In Rio Nido, River Road floods.
45.0 FeetDisastrous 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 FeetIn 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 FeetIn Guerneville, River Road closed. In Monte Rio the main intersections flood. Monte Rio Elementary School begins to flood.
40.0 FeetMajor 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 FeetWest 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 FeetIn Duncan Mills Freezeout Road at Moscow Road floods. In Guerneville Park Cazadero Road at HWY 116 floods.
37.0 FeetIn 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 FeetIn Forestville Mirabel Park Resort and Mirabel trailer park flood. In Guerneville Fern Road at HWY 116 floods.
35.0 FeetModerate 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 FeetIn Guerneville flooding begins at Johnsons Resort, Parkers Resort, Creekside Resort and Riverside Park. In Northwood lower Redwood Drive begins to flood.
33.0 FeetIn 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 FeetIn Guerneville the intersecton of HWY 116 and Neeley Rd is closed. Mays Canyon Rd by the old rodeo grounds is closed.
32.0 FeetFlood stage. Minor flooding. Lower Mill Street in Guerneville and Old Bohemian Highway in Monte Rio are expected to flood.
29.0 FeetMonitor stage.
Official 7 Day National Weather Service Forecast   (CAZ506)
Rest of Tonight: Partly cloudy late in the evening then becoming mostly cloudy. Haze and patchy fog after midnight. Lows in the 50s. West winds 5 to 15 mph.

Monday: Mostly cloudy in the morning then becoming sunny. Haze and patchy fog in the morning. Highs in the lower 70s to mid 80s. Southwest winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon.

Monday Night: Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. West winds 5 to 15 mph.

Tuesday: Partly cloudy in the morning then becoming sunny. Haze and patchy fog in the morning. Highs in the upper 60s to lower 80s. West winds 5 to 10 mph and becoming southwest 10 to 20 mph in the afternoon.

Tuesday Night: Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. West winds 10 to 20 mph and becoming 5 to 10 mph after midnight.

Wednesday: Partly cloudy in the morning then becoming sunny. Highs in the 70s to 80s.

Wednesday Night through Sunday: Mostly clear. Lows in the lower 50s to mid 60s. Highs in the upper 70s to mid 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.