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RUSSIAN RIVER - HEALDSBURG (HEAC1)
Latitude: 38.61º NLongitude: 122.84º WElevation: 77 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Jul 07 2025 at 6:46 AM PDTNext Issuance: Jul 08 2025 at 9:00 AM PDT
Action/Monitor: 20.0 FeetMinor Flood: 23.0 FeetModerate Flood: 27.0 FeetMajor Flood: 29.0 Feet

Russian River - Healdsburg (HEAC1)River Forecast Plot

Combination chart with 4 data series.
Forecast Posted: 07/07/2025 at 6:42 AM PDT ● Graphic Created: 07/07/2025 at 6:46 AM PDT
The chart has 1 X axis displaying Time. Range: 2025-07-02 13:00:00 to 2025-07-12 13:00:00.
The chart has 2 Y axes displaying Precipitation (In.) and Precipitation (In.).
End of interactive chart.

Chart

Combination chart with 7 data series.
The chart has 1 X axis displaying Observation / Forecast Time (Pacific Local Time). Range: 2025-07-02 06:00:00 to 2025-07-12 06:00:00.
The chart has 2 Y axes displaying Stage (Feet) and Flow (Cubic Feet per Second).
End of interactive chart.
Please Note:
1) 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.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (USGS) Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
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
Flood Impacts
30.0 FeetMajor to disastrous flooding along the reach of the gage occurs. Major flooding occurs in the agricultural sections of Alexander Valley.
29.0 FeetMajor 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 FeetModerate flooding along the reach of the gage will occur. Some secondary roads south of US 101 will have minor to moderate flooding.
25.0 FeetLow lying areas south of US 101 begin to have minor flooding.
23.0 FeetMinor flooding of farm land and banks in rural areas along the reach of the gage will occur.
Official 7 Day National Weather Service Forecast   (CAZ506)
rest of Tonight: Mostly cloudy. Areas of fog. Lows in the upper 40s to mid 50s. Southwest winds 5 to 10 mph.

Tuesday: Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to lower 80s. Southwest winds 5 to 15 mph.

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

Wednesday: Mostly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the 70s to 80s. Southwest winds 5 to 10 mph.

Wednesday Night: Mostly clear. Lows in the 50s to lower 60s. West winds 5 to 15 mph.

Thursday: Sunny. Highs in the upper 70s to lower 90s.

Thursday Night and Friday: Mostly clear. Lows in the 50s to lower 60s. Highs in the mid 70s to lower 90s.

Friday Night: Mostly clear except patchy fog. Lows in the 50s.

Saturday: Partly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s.

Saturday Night: Clear in the evening then becoming partly cloudy. Areas of fog. Lows in the 50s.

Sunday: Mostly cloudy in the morning then becoming sunny. Highs in the 70s to 80s.

Sunday Night: Mostly clear in the evening then becoming partly cloudy. Areas of fog. Lows in the 50s.

Monday: Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to upper 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.

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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
California Nevada River Forecast Center
3310 El Camino Avenue, Room 227
Sacramento, CA 95821-6373
(916) 979-3056

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