National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SACRAMENTO RIVER - HAMILTON CITY (HAMC1)
Latitude: 39.75º NLongitude: 122.00º WElevation: 125 Feet
Location: Glenn County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: May 27 2024 at 7:16 AM PDTNext Issuance: May 28 2024 at 9:00 AM PDT
Monitor Stage: 142.0 FeetFlood Stage: 147.0 Feet

Please Note: 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.
Observed Data Credit
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Raw streamflow data is provided by the California Department of Water Resources.
View CA DWR Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2023
105,300
146.79
Mar 15, 2023
2022
47,500
137.98
Oct 25, 2021
2021
13,300
130.71
Jan 29, 2021
2020
28,100
134.20
Jan 27, 2020
2019
117,800
147.87
Feb 27, 2019
 Historical High Stage/Flow Events (Period of Record - January 1927 to Present) - Ranked by Flow
1986
160,900
150.53
Feb 18, 1986
1970
160,700
150.80
Jan 24, 1970
1983
159,600
150.77
Mar 1, 1983
1997
155,300
150.92
Jan 2, 1997
1995
--
150.65
Jan 10, 1995
 * Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.8 ft and must be applied to all data before date to convert to NAVD88
Location Photographs
ESRI™ Locator Map
Impacts - E19 Information
137.7 FeetWest Sacramento Avenue and River Road north of Big Chico Creek flood on the east side of the river 1.5 hours after the Hamilton City gage reaches 138.5 and 138.8 feet.
144.0 FeetCounty Road 23 in Glenn County closes east of RD 2140 levee.
145.1 FeetWater inundates Phase 2A restoration area north of Hwy 32 bridge inside of levee; touches toe of levee.
146.8 FeetWater at top of Irvine Finch boat ramp.
147.2 FeetOverflow begins on the east bank of the river, from near Wilson Landing Road to Highway 32.
Official 7 Day National Weather Service Forecast   (CAZ016)
Today: Sunny. Highs 86 to 91. Southeast winds up to 10 mph.

Tonight: Clear. Lows around 58. South winds around 10 mph shifting to the north up to 10 mph after midnight. Gusts up to 20 mph.

Wednesday: Sunny. Highs 86 to 91. Northwest winds 10 to 15 mph with gusts to around 30 mph.

Wednesday Night: Clear. Lows 60 to 68. Northwest winds 10 to 15 mph. Gusts up to 30 mph after midnight.

Thursday: Sunny. Highs 92 to 97. North winds 10 to 15 mph with gusts to around 30 mph.

Thursday Night: Clear. Lows 60 to 66.

Friday: Sunny. Highs 94 to 100.

Friday Night and Saturday: Clear. Lows 58 to 64. Highs 90 to 100.

Saturday Night through Monday: Mostly clear. Lows around 62. Highs 90 to 96.
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.