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 CaliforniaRiver Group: Lower Sacramento
Issuance Time: Feb 27 2021 at 7:41 AM PSTNext Issuance: Feb 28 2021 at 9:00 AM PST
Monitor Stage: 32.0 FeetFlood Stage: 39.5 FeetDanger Stage: 40.5 Feet


Fremont Weir Location - Stage/Flow into Yolo Bypass (Estimated)
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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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2019*
128,200
34.90
Mar 3, 2019
2018*
76,000
33.29
Apr 9, 2018
2017*
258,000
37.79
Feb 11, 2017
2016*
65,654
36.06
Mar 15, 2016
2015*
55,548
33.25
Dec 15, 2014
 Historical High Stage/Flow Events (Period of Record - Jan 1932 to Present)
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)
Today: Mostly sunny. Highs 63 to 68. North winds 10 to 15 mph with gusts to around 25 mph.

Tonight: Clear. Lows 36 to 44. Northeast winds up to 10 mph.

Monday: Sunny. Highs 62 to 70. Light winds becoming south around 10 mph in the afternoon.

Monday Night: Partly cloudy. Lows 37 to 43. Southwest winds around 10 mph shifting to the north up to 10 mph after midnight.

Tuesday: Mostly cloudy in the morning then becoming partly cloudy. Highs 65 to 70. North winds around 10 mph.

Tuesday Night: Mostly clear. Lows 35 to 43.

Wednesday: Mostly sunny. Highs 66 to 71.

Wednesday Night: Clear. Lows around 40.

Thursday and Thursday Night: Mostly clear. Highs 65 to 71. Lows 40 to 46.

Friday: Mostly cloudy. Highs 65 to 71.

Friday Night: Partly cloudy with a slight chance of rain. Lows around 45.

Saturday: Mostly cloudy with a chance of rain. Highs 60 to 66.
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.
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.