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RUSSIAN RIVER - GEYSERVILLE (GEYC1)

Latitude: 38.71º N	Longitude: 122.89º W	Elevation: 190 Feet
Location: Sonoma County in California		Bulletin Group: Russian Napa		River Group: Russian Napa

Issuance Time:

May 11, 2025 at 9:00 AM PDT

Action/Monitor: 38.0 Feet

Minor Flood: 39.7 Feet

Moderate Flood: 46.0 Feet

Major Flood: 50.0 Feet

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Short-Range Peak Exceedance Plot Product Info. Plot Type:

CSV Ensemble Files (Data in kcfs): Forecast Group | GEYC1

Cursor readout:

Show:

		Official Forecast (Deterministic)
		Ensemble Mean
		Model Traces

	Hourly Probabilities
		0-5% chance
		5-25% chance
		25-40% chance
		40-60% chance

What information is considered in this forecast?

Verification / Historical Plots
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Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ506)

rest of Today: Sunny, breezy. Highs in the 50s to upper 60s. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon.

Tonight: Partly cloudy in the evening then becoming mostly cloudy. Breezy. A chance of rain. Lows near 50. West winds 20 to 30 mph and becoming southwest 10 to 20 mph after midnight.

Monday: Mostly cloudy in the morning then becoming partly cloudy. A chance of rain in the morning. Highs in the 50s to mid 60s. West winds 10 to 20 mph.

Monday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s. West winds 10 to 20 mph.

Tuesday: Partly cloudy in the morning then becoming sunny. Highs in the 60s to lower 70s. West winds 10 to 20 mph.

Tuesday Night: Clear. Lows in the 40s to lower 50s.

Wednesday through Thursday: Mostly clear. Highs in the upper 60s to lower 80s. Lows in the mid 40s to lower 50s.

Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s.

Friday: Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s to lower 80s.

Friday Night and Saturday: Partly cloudy. Lows in the upper 40s to mid 50s. Highs in the mid 60s to lower 80s.

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