CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

SACRAMENTO RIVER - RED BLUFF (RDBC1)

Latitude: 40.15º N	Longitude: 122.20º W	Elevation: 231 Feet
Location: Tehama 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: 252.5 Feet

Minor Flood: 255.5 Feet

Moderate Flood: 257.6 Feet

Major Flood: 261.6 Feet

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 California Department of Water Resources. View California Department of Water Resources Data for this station location.

Historical Stage/Flow Data
Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months.
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2025*	70,914	253.49	Feb 05, 2025
2024*	64,700	252.67	Feb 19, 2024
2023*	106,700	258.92	Mar 15, 2023
2022*	33,700	247.24	Oct 25, 2021
2021*	13,000	242.55	Feb 3, 2021
Historical High Stage/Flow Events (Period of Record - Dec 2000 to Present) - Ranked by Flow
1997*	141,500**	260.00**	Jan 02, 1997
2006*	123,171	257.09	Dec 31, 2005
2015*	108,179	255.48	Dec 11, 2014
2023*	106,700	258.92	Mar 15, 2023
2017*	104,251	254.92	Feb 07, 2017
2011*	98,775	254.37	Mar 20, 2011
* Discharge affected by regulation or diversion Estimated stage/flow from high water marks * Datum changed from NGVD29 to NAVD88 on 10/01/2019. The difference is +2.6 ft and must be applied to all data before date to convert to NAVD88

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
259.6 Feet	Extensive flooding problems begin to happen in low lying areas of Red Bluff.
257.6 Feet	Water starts into the houses on Mary Lane, Howell Street and surrounding streets.
256.9 Feet	Trailer Park just south of Antelope Avenue (SR-36) bridge on left bank of river starts to take on water. Water is up to the parking lot at city park on right bank of river. High water in Paynes Creek Slough closes Belle Mill Road at Kaer Avenue.
256.6 Feet	Overflow of east bank of river downstream of gage begins. Housing development in the area is threatened.
248.6 Feet	The river starts to flow eastward into sand slough on the left bank upstream of the gage.

Official 7 Day National Weather Service Forecast (CAZ015)

Tonight: Rain. Patchy fog late in the evening. Lows around 45. Light winds.

New Years Day: Rain. Highs 50 to 55. Light winds becoming southeast up to 10 mph with gusts to around 20 mph in the afternoon.

Thursday Night: Rain. Lows 45 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 52. Southeast winds 10 to 20 mph with gusts to around 35 mph.

Saturday: Rain, breezy. Highs around 53.

Saturday Night: Rain showers and a slight chance of thunderstorms. Lows 44 to 50.

Sunday through Monday: Rain. Highs around 50. Lows 40 to 50.

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

Tuesday: Mostly cloudy with a chance of rain. Highs around 51.

Tuesday Night: Partly cloudy with a slight chance of rain. Lows around 39.

Wednesday: Mostly cloudy with a chance of rain. Highs around 51.

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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