CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

SACRAMENTO RIVER - BUTTE CITY (BTCC1)

Latitude: 39.46º N	Longitude: 121.99º W	Elevation: 99 Feet
Location: Glenn 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: 88.5 Feet

Minor Flood: 97.0 Feet

Moderate Flood: 99.5 Feet

Major Flood: 100.5 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*	22,223***	74.00	Oct 17, 2024
2024*	96,200	90.01	Feb 21, 2024
2023*	109,100	90.90	Mar 16, 2023
2022*	37,200	79.48	Oct 25, 2021
2021*	12,100	71.53	Jan 30, 2021
Historical High Stage/Flow Events (Period of Record - Apr 1921 to Present) - Ranked by Flow
1942	170,000**	96.87	Feb 07, 1942
1958*	160,000	96.70	Feb 20, 1958
1983*	157,000	95.89	Mar 02, 1983
1941	151,000	95.17	Feb 12, 1941
1956*	149,000	94.66	Jan 16, 1956
1997*	146,000	95.02	Jan 02, 1997
* Discharge affected by regulation or diversion Peak of record prior to completion of Shasta Dam * No data after Oct 17, 2024. **** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.5 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
100.5 Feet	Stages above 100.5 feet result in major flooding. Top of levee.
97.0 Feet	Water begins to flow into the orchards on the west bank of the river. Water is still contained inside the levees.
96.5 Feet	Water begins to flow into the orchards on the west bank of the river. Water is still contained inside the levees.
89.9 Feet	Overbank flow of the east bank begins upstream of the gage. Water flows into Butte Basin.

Official 7 Day National Weather Service Forecast (CAZ016)

Tonight: Rain. Patchy fog. Lows around 46. Light winds.

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

Thursday Night: Rain. Lows 48 to 53. Southeast winds 10 to 15 mph.

Friday: A chance of rain in the morning, then rain likely in the afternoon. Highs around 55. Southeast winds 10 to 15 mph with gusts to around 25 mph.

Friday Night: Rain. Lows 49 to 54. Southeast winds 10 to 20 mph with gusts to around 30 mph.

Saturday: Rain. Highs around 54.

Saturday Night: Rain showers and a slight chance of thunderstorms. Lows 47 to 53.

Sunday: Rain. Highs around 52.

Sunday Night: Rain showers and a slight chance of thunderstorms. Lows 44 to 49.

Monday and Monday Night: Rain. Highs around 50. Lows 42 to 49.

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

Tuesday Night: Partly cloudy with a slight chance of rain. Lows around 41.

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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