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 04, 2025 at 10:09 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)
Tonight: Clear. Lows 53 to 59. Southeast winds up to 10 mph with gusts to around 20 mph.

Saturday: Sunny. Highs around 89. Light winds.

Saturday Night: Clear. Lows 55 to 63. Southeast winds up to 10 mph.

Sunday: Sunny. Highs around 93. Light winds becoming south up to 10 mph in the afternoon.

Sunday Night: Clear. Lows 58 to 66. Southeast winds up to 10 mph.

Monday: Sunny. Highs around 94.

Monday Night: Clear. Lows 58 to 64.

Tuesday through Wednesday: Clear. Highs around 94. Lows 58 to 64.

Wednesday Night through Friday: Clear. Lows 63 to 73. Highs 95 to 102.