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

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SACRAMENTO RIVER - FREMONT WEIR (FMWC1)
Latitude: 38.77º NLongitude: 121.67º WElevation: 40 Feet
Location: Sutter & Yolo Counties in CaliforniaBulletin Group: Lower SacramentoRiver Group: Lower Sacramento
Issuance Time: May 08 2024 at 9:06 AM PDTNext Issuance: May 09 2024 at 9:00 AM PDT
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
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2022*
35,400
26.35
Oct 27, 2021
2021*
16,600
17.75
Jan 31, 2021
2020*
24,300
21.95
Jan 28, 2020
2019*
128,200
34.90
Mar 3, 2019
2018*
76,000
33.29
Apr 9, 2018
 Historical High Stage/Flow Events (Period of Record - Jan 1932 to Present) - Ranked by Flow
1997*
~390,000***
42.47**
Jan 02, 1997
1986*
~355,000***
41.70
Feb 20, 1986
2006*
273,670
39.99
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)
Today: Sunny, windy. Highs 74 to 82. North winds 10 to 15 mph increasing to 15 to 30 mph in the afternoon. West of the sacrAMento river, north winds 20 to 30 mph with gusts to around 45 mph.

Tonight: Clear, windy. Lows 52 to 60. North winds 15 to 25 mph decreasing to 10 to 15 mph after midnight, gusts up to 35 mph decreasing to 25 mph after midnight. West of the sacrAMento river, north winds 15 to 30 mph, gusts up to 40 mph.

Thursday: Sunny, warmer. Highs 82 to 89. North winds 10 to 15 mph. Gusts up to 40 mph decreasing to 30 mph in the afternoon.

Thursday Night: Clear. Lows 54 to 62. North winds around 10 mph with gusts to around 20 mph.

Friday: Sunny. Highs 85 to 93. North winds up to 10 mph with gusts to around 20 mph.

Friday Night: Clear. Lows 55 to 61.

Saturday: Sunny. Highs 86 to 94.

Saturday Night through Tuesday: Clear. Lows 53 to 61. Highs 84 to 94.
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.