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



RUSSIAN RIVER - HACIENDA BRIDGE (RIOC1)
Latitude: 38.51º NLongitude: 122.93º WElevation: 20 Feet
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Jul 01, 2025 at 11:47 AM PDT
Action/Monitor: 31.0 FeetMinor Flood: 34.0 FeetModerate Flood: N/A Major Flood: N/A
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  RIOC1

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Official 7 Day National Weather Service Forecast   (CAZ506)
Tonight: Mostly clear in the evening then becoming mostly cloudy. Patchy dense fog after midnight. Lows in the 50s. Southwest winds 10 to 20 mph.

Wednesday: Partly cloudy in the morning then becoming sunny. Patchy dense fog in the morning. Highs in the 70s to 80s. South winds 10 to 20 mph.

Wednesday Night: Mostly clear. Lows in the 50s to lower 60s. Southwest winds 10 to 20 mph.

Thursday: Partly cloudy. Breezy. Highs in the 70s to 80s. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon.

Thursday Night: Mostly clear. Breezy. Lows in the upper 40s to mid 50s. West winds 20 to 30 mph decreasing to 10 to 20 mph after midnight.

Independence Day: Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s.

Friday Night through Sunday Night: Mostly clear. Lows in the upper 40s to mid 50s. Highs in the 70s to 80s.

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

Monday Night: Mostly clear in the evening then becoming mostly cloudy. Patchy fog. Lows in the lower to mid 50s.

Tuesday: Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 80s.