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.
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*
93,000
115.00
Feb 06, 2025
2024*
89,400
114.37
Feb 20, 2024
2023*
94,000
115.09
Mar 16, 2023
2022*
44,100
106.44
Oct 25, 2021
2021*
12,700
98.94
Jan 29, 2021
Historical High Stage/Flow Events (Completion of Shasta Dam (1943) to Present) - Ranked by Stage
1958*
--
120.10**
Feb 25, 1958
1970*
--
119.79
Jan 24, 1970
1965*
--
119.00
Dec 23, 1964
1997*
215,000
118.66
Jan 02, 1997
1974*
212,400
118.40
Jan 16, 1974
1986*
195,000
118.30
Feb 19, 1986
* Discharge affected by regulation or diversion
** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.2 ft and must be applied to all data before date to convert to NAVD88
Design overflow level for M&T, 3Bs and Goose Lake flood control facilities to divert flood flows into Butte Basin. M&T overflows close River Road from Ord Ferry Road to Chico Road. Ord Ferry Road is already closed.
112.0 Feet
At 112 to 113 feet, water inundates portions of Ord Ferry Road (County Road 32) in Glenn County from CA-45 east to the county line at the Sacramento River.
110.3 Feet
Head cuts in 3Bs silt weir start overflow into Butte Basin, flooding dips on Ord Ferry Road west of River Road in Butte County. Persistent flows at or above this level increase flooding in Butte Basin. Ord Ferry Road and additional roads in Glenn and Colusa counties are closed due to flooding.
Official 7 Day National Weather Service Forecast (CAZ016)
Today: Patchy fog early in the morning. Rain. Highs around 54. Light winds becoming southeast up to 10 mph with gusts to around 20 mph in the afternoon.
Tonight: Rain in the evening, then a chance of rain after midnight. Lows 47 to 52. Southeast winds 10 to 15 mph.
Friday: Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs 52 to 58. 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 in the morning, then rain showers and a slight chance of thunderstorms in the afternoon. Breezy. Highs around 54. South winds 10 to 25 mph with gusts to around 35 mph.
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 43 to 50.
Monday: Rain. Highs around 50.
Monday Night: Mostly cloudy with rain likely. Lows 41 to 46.
Tuesday: Mostly cloudy with a chance of rain. Highs around 51.
Tuesday Night and Wednesday: Mostly cloudy with a slight chance of rain. Lows around 39. Highs around 49.
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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