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



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: Jun 30, 2025 at 9:06 AM PDT
Action/Monitor: 142.0 FeetMinor Flood: 147.0 FeetModerate Flood: 149.2 FeetMajor Flood: 150.2 Feet
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  HAMC1

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What information is considered in this forecast?
Verification / Historical Plots
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Location Photographs

ESRI™ Locator Map
Flood Impacts
147.2 FeetOverflow begins on the east bank of the river, from near Wilson Landing Road to Highway 32.
146.8 FeetWater at top of Irvine Finch boat ramp.
145.1 FeetWater inundates Phase 2A restoration area north of Hwy 32 bridge inside of levee; touches toe of levee.
144.0 FeetCounty Road 23 in Glenn County closes east of RD 2140 levee as a result of water on roadway.
137.7 FeetWest Sacramento Avenue and River Road north of Big Chico Creek flood 1.5 hours after the Hamilton City gage reaches 137.7-138.0 feet.
Official 7 Day National Weather Service Forecast   (CAZ016)
Today: Sunny. Highs around 98. Southeast winds up to 10 mph.

Tonight: Clear. Lows 62 to 70. Southwest winds up to 10 mph in the evening becoming light.

Wednesday: Sunny. Highs around 98. Southeast winds up to 10 mph.

Wednesday Night: Clear. Lows 62 to 70. Southeast winds up to 10 mph.

Thursday: Mostly sunny. Highs around 93. Southeast winds up to 10 mph.

Thursday Night: Mostly clear. Lows around 61.

Independence Day: Sunny. Highs around 89.

Friday Night through Monday: Clear. Lows 56 to 64. Highs around 91.