CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

COW CREEK - MILLVILLE (CWCC1)

Latitude: 40.51º N	Longitude: 122.23º W	Elevation: 386 Feet
Location: Shasta County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Issuance Time:

Dec 31 2025 at 1:37 PM PST

Next Issuance:

Jan 01 2026 at 9:00 AM PST

Action/Monitor: 13.0 Feet

Minor Flood: 17.0 Feet

Moderate Flood: N/A

Major Flood: N/A

Plot Type:

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
	Raw streamflow data is provided by the US Geological Survey (USGS). View US Geological Survey (USGS) Data for this station location.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ015)

Today: Rain. Highs 49 to 55. Light winds becoming southeast up to 10 mph with gusts to around 20 mph in the afternoon.

Tonight: Rain. Lows 46 to 52. South winds around 10 mph with gusts to around 25 mph.

Friday: Rain. Highs around 53. Southeast winds 10 to 15 mph with gusts to around 30 mph.

Friday Night: Rain. Lows 47 to 53. Southeast winds 10 to 20 mph with gusts to around 35 mph.

Saturday: Rain, breezy. Highs around 53. South winds 15 to 25 mph with gusts to around 40 mph.

Saturday Night: Rain. Lows 45 to 51.

Sunday: Rain. Highs around 51.

Sunday Night and Monday: Rain. Lows 42 to 48. Highs around 49.

Monday Night: Mostly cloudy with rain likely. Lows 39 to 45.

Tuesday and Tuesday Night: Mostly cloudy with a slight chance of rain. Highs around 51. Lows 38 to 45.

Wednesday: Mostly cloudy with a chance of rain. Highs around 50.

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 Sacramento 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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Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.