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

Start of River Group | 

Latitude: 38.77º NLongitude: 121.67º WElevation: 40 Feet
Location: Sutter & Yolo Counties in CaliforniaBulletin Group: Lower SacramentoRiver Group: Lower Sacramento
Issuance Time: Dec 05 2023 at 1:23 PM PSTNext Issuance: Dec 06 2023 at 9:00 AM PST
Monitor Stage: 32.0 FeetFlood Stage: 39.5 FeetDanger Stage: 40.5 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.
Fremont Weir Location - Stage/Flow into Yolo Bypass (Estimated)
Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above.
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
To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
 Most Recent 5 Years
Oct 27, 2021
Jan 31, 2021
Jan 28, 2020
Mar 3, 2019
Apr 9, 2018
 Historical High Stage/Flow Events (Period of Record - Jan 1932 to Present) - Ranked by Flow
Jan 02, 1997
Feb 20, 1986
Jan 03, 2006
 * Discharge affected by regulation or diversion
 ** Peak stage of record (Weir overflow depth of 8.97 feet)
 *** Flow estimated
 **** Datum changed from NGVD29 to NAVD88 on 10/01/2016. The difference is -1.45 ft and must be applied to all data before date to convert to NAVD88
Location Photographs
ESRI™ Locator Map
Impacts - E19 Information
32.0 FeetFremont Weir crest elevation. Overflow begins into the Yolo Bypass flooding agricultural lands.
33.1 FeetAt one foot overflow, River Road to Woodland is closed due to flooding.
37.3 FeetAt 5.3 feet overflow, Egbert Tract floods.
44.0 FeetStages above 44.0 feet result in flooding outside the levees. Top of levee.
Official 7 Day National Weather Service Forecast   (CAZ017)
Tonight: Partly cloudy. Patchy fog after midnight. Lows 41 to 49. Light winds.

Wednesday: Patchy fog in the morning. Rain showers in the afternoon. Highs 56 to 64. South winds up to 15 mph with gusts to around 25 mph.

Wednesday Night: Mostly cloudy. Rain showers likely in the evening, then a slight chance of rain showers after midnight. Lows around 44. South winds 10 to 15 mph.

Thursday: Mostly cloudy. A chance of rain showers in the morning, then rain showers likely in the afternoon. Highs 53 to 60. South winds up to 15 mph.

Thursday Night: Mostly cloudy with a chance of rain showers in the evening, then mostly clear after midnight. Lows around 38. Southwest winds 10 to 15 mph shifting to the northwest after midnight.

Friday: Mostly sunny. Highs 53 to 59.

Friday Night: Mostly clear. Lows 32 to 39.

Saturday: Partly cloudy. Areas of frost. Highs around 55.

Saturday Night: Mostly cloudy with a slight chance of rain showers. Lows 36 to 44.

Sunday: Mostly cloudy. Highs around 59.

Sunday Night through Tuesday: Mostly clear. Lows 35 to 45. Highs around 60.
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.