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 County in CaliforniaRiver Group: Lower Sacramento
Monitor Stage: 32.0 FeetFlood Stage: 39.5 FeetDanger Stage: 40.5 Feet

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.

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
Official 7 Day National Weather Service Forecast   (CAZ017)
Tonight: Clear. Lows 58 to 68. Southwest winds up to 10 mph with gusts to around 20 mph.

Monday: Sunny. Highs 90 to 100. South winds up to 10 mph with gusts to around 20 mph.

Monday Night: Clear. Lows 56 to 65. Southwest winds 10 to 15 mph with gusts to around 25 mph.

Tuesday: Sunny. Highs 86 to 96. South winds up to 10 mph with gusts to around 20 mph.

Tuesday Night: Clear. Lows 53 to 62. Southwest winds up to 15 mph with gusts to around 25 mph.

Wednesday: Sunny. Highs 90 to 98.

Wednesday Night: Clear. Lows 57 to 67.

Thursday through Sunday: Clear. Highs 96 to 106. Lows 60 to 70.
Impacts - E19 Information
44.0 FeetStages above 44.0 feet result in flooding outside the levees. Top of levee.
37.3 FeetAt 5.3 feet of overflow Egbert Tract floods.
33.1 FeetAt one foot of overflow, the river road to Woodland is closed due to flooding.
32.0 FeetFremont Weir crest elevation. Overflow begins into the Yolo Bypass flooding agricultural lands.
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.