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: Jul 11, 2025 at 7:56 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.
Short-Range Peak Exceedance Plot   Product Info.   CSV Ensemble Files (Data in kcfs): Forecast Group | HAMC1
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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. Areas of smoke. Highs 98 to 104. Southeast winds up to 10 mph.

Tonight: Clear. Areas of smoke through the night. Lows 62 to 70. Southeast winds up to 10 mph.

Sunday: Sunny. Highs around 100. Southeast winds up to 10 mph.

Sunday Night: Clear. Lows 62 to 72. Southeast winds up to 10 mph.

Monday: Sunny. Highs around 101. Light winds becoming south around 10 mph in the afternoon.

Monday Night: Clear. Lows 61 to 69.

Tuesday: Sunny. Highs 94 to 99.

Tuesday Night through Friday: Clear. Lows 57 to 64. Highs 89 to 99.