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Latitude: 38.61º N | Longitude: 122.84º W | Elevation: 77 Feet | |
Location: Sonoma County in California | River Group: Russian Napa |
Monitor Stage: 20.0 Feet | Flood Stage: 23.0 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* |
26,300 |
16.41 |
Feb 5, 2024 |
2023* |
26,400 |
16.45 |
Jan 9, 2023 |
2022* |
17,900 |
13.55 |
Oct 25, 2021 |
2021* |
1,740 |
3.95 |
Feb 2, 2021 |
2020* |
7,050 |
7.63 |
Dec 7, 2019 |
Historical High Stage/Flow Events (Period of Record - Oct 1939 to Present) - Ranked by Flow | |||
1995* |
73,000 |
26.23 |
Jan 9, 1995 |
1965* |
71,300 |
27.00 |
Dec 23, 1964 |
1986* |
71,100 |
25.81 |
Feb 17, 1986 |
2019* |
67,300 |
26.84 |
Feb 27, 2019 |
1997* |
65,700 |
24.61 |
Jan 01, 1997 |
* Discharge affected by regulation or diversion |
Location Photographs | ||
ESRI™ Locator Map |
Official 7 Day National Weather Service Forecast (CAZ506) |
rest of Tonight: Mostly clear. Lows in the 40s to upper 50s. West winds 10 to 20 mph. Friday: Sunny. Highs in the mid 70s to upper 80s. Southwest winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. Friday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the 40s to upper 50s. West winds 10 to 20 mph and Becoming 5 to 10 mph after midnight. Saturday: Partly cloudy in the morning then becoming sunny. Highs in the 70s to 80s. West winds up to 5 mph increasing to 10 to 15 mph in the afternoon. Saturday Night: Mostly clear. Lows in the lower 50s. West winds 5 to 15 mph. Sunday: Partly cloudy in the morning then becoming sunny. Highs in the lower 60s to mid 70s. Sunday Night: Mostly clear in the evening then becoming partly cloudy. A slight chance of rain. Lows in the mid 40s to lower 50s. Monday: Mostly cloudy. A chance of rain. Highs in the 50s to mid 60s. Monday Night: Partly cloudy. A slight chance of rain. Lows in the mid 40s to lower 50s. Tuesday through Wednesday Night: Mostly clear. Highs in the 60s to 70s. Lows in the 40s to lower 50s. Thursday: Partly cloudy. Highs in the mid 60s to upper 70s. |
Flood Impacts | |
30.0 Feet | Major to disastrous flooding along the reach of the gage occurs. Major flooding occurs in the agricultural sections of Alexander Valley. |
29.0 Feet | Major flooding along the reach of the gage will occur. Homes, businesses and secondary roads in the lower sections of Healdsburg will begin to flood. The lower areas of Alexander Valley will begin to flood. |
27.0 Feet | Moderate flooding along the reach of the gage will occur. Some secondary roads south of US 101 will have minor to moderate flooding. |
25.0 Feet | Low lying areas south of US 101 begin to have minor flooding. |
23.0 Feet | Minor flooding of farm land and banks in rural areas along the reach of the gage will occur. |
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. |