CNRFC - Ensemble Products

*** IMPORTANT *** Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.

Short-Range Products (hourly timestep)

Long-Range Products (daily timestep)

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Location:

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DRY CREEK - LAKE SONOMA (WSDC1)

Latitude: 38.72º N	Longitude: 123.01º W	Elevation: 440 Feet
Location: Sonoma County in California		Bulletin Group: Russian Napa		River Group: Russian Napa

Issuance Time:

Jun 15, 2025 at 8:15 AM PDT

Action/Monitor: N/A

Minor Flood: N/A

Moderate 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.

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

CSV Ensemble Files (Data in kcfs): Forecast Group | WSDC1

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 Tonight: Mostly cloudy. Lows in the mid 40s to lower 50s. Southwest winds 10 to 20 mph.

Monday: Partly cloudy in the morning then becoming sunny. Breezy. Highs in the upper 60s to lower 80s. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon.

Monday 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.

Tuesday: Sunny. Highs in the 70s to 80s. West winds 10 to 20 mph.

Tuesday Night: Mostly clear. Lows in the 40s to upper 50s. West winds 10 to 20 mph.

Wednesday: Sunny. Highs in the mid 70s to lower 90s.

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

Saturday Night: Clear. Lows in the upper 40s to mid 50s.

Sunday: Sunny. Highs in the lower 70s to mid 80s.

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