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 27 2024 at 7:27 AM PDTNext Issuance: May 28 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
2023*
122,700
34.74
Jan 15, 2023
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
 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. Highs 82 to 90. South winds up to 10 mph with gusts to around 20 mph.

Tonight: Clear. Lows 52 to 59. Southwest winds up to 15 mph.

Wednesday: Sunny. Highs 84 to 91. Northwest winds up to 10 mph with gusts to around 20 mph.

Wednesday Night: Clear. Lows 56 to 66. Northwest winds up to 10 mph. Gusts up to 25 mph after midnight.

Thursday: Sunny. Highs 90 to 97. Northwest winds up to 10 mph with gusts to around 30 mph.

Thursday Night: Clear. Lows 56 to 64.

Friday: Sunny. Highs 91 to 98.

Friday Night and Saturday: Clear. Lows 55 to 61. Highs 87 to 97.

Saturday Night: Mostly clear. Lows 54 to 60.

Sunday: Sunny. Highs 85 to 93.

Sunday Night and Monday: Mostly clear. Lows 56 to 62. Highs 85 to 95.
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.