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: May 08, 2025 at 8:31 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: Mostly sunny. Highs 89 to 94. Light winds becoming south up to 10 mph in the afternoon.

Tonight: Mostly clear. Lows 56 to 62. Southeast winds up to 10 mph.

Saturday: Mostly sunny. Highs 89 to 95. Light winds becoming south up to 10 mph in the afternoon.

Saturday Night: Mostly clear. Lows 55 to 61. South winds 10 to 15 mph.

Sunday: Mostly sunny. Highs 77 to 83. South winds up to 15 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon.

Sunday Night: Partly cloudy with a slight chance of rain showers. Lows around 51.

Monday: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Highs 63 to 68.

Monday Night: Partly cloudy with a slight chance of rain showers. Lows 45 to 50.

Tuesday: Partly cloudy with a slight chance of rain showers. Highs 67 to 73.

Tuesday Night: Mostly clear. Lows around 50.

Wednesday and Wednesday Night: Clear. Highs 75 to 80. Lows around 51.

Thursday: Mostly sunny. Highs 80 to 85.