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:

Jan 05 2026 at 6:50 PM PST

Next Issuance:

Jan 06 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)

Today: Patchy fog in the morning. Mostly cloudy. Highs 51 to 57. Light winds.

Tonight: Mostly cloudy. Patchy fog through the night. Lows 41 to 47. Light winds.

Wednesday: Mostly cloudy with a slight chance of rain in the morning, then partly cloudy in the afternoon. Patchy fog through the day. Highs around 53. Light winds.

Wednesday Night: Partly cloudy. A slight chance of rain in the evening. Patchy fog after midnight. Lows around 38. South winds up to 10 mph in the evening becoming light.

Thursday: Mostly sunny. Highs around 49. Northwest winds up to 10 mph.

Thursday Night: Mostly clear. Lows around 36.

Friday: Mostly sunny. Highs around 50.

Friday Night: Mostly clear. Lows around 36.

Saturday: Mostly cloudy. Areas of frost. Highs around 51.

Saturday Night and Sunday: Mostly cloudy. Patchy fog. Lows around 38. Highs 50 to 56.

Sunday Night: Partly cloudy. Patchy fog. Lows around 39.

Monday: Mostly sunny. Highs 53 to 59.

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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