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
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
2017*
258,000
37.79
Feb 11, 2017
 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)
Today: Mostly cloudy. Patchy fog in the morning. A slight chance of rain late in the afternoon. Highs 54 to 64. Light winds becoming southeast 10 to 15 mph with gusts to around 30 mph in the afternoon.

Tonight: Rain, breezy. Lows around 45. South winds 15 to 25 mph with gusts to around 40 mph.

Sunday: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs 51 to 58. Southwest winds 10 to 15 mph with gusts to around 30 mph.

Sunday Night: Mostly cloudy in the evening then clearing. Lows around 37. Southwest winds 10 to 15 mph shifting to the north after midnight.

Monday: Patchy frost in the morning. Mostly sunny. Highs around 58. North winds 10 to 15 mph with gusts to around 25 mph.

Monday Night: Clear. Lows 34 to 39.

Tuesday: Mostly sunny. Areas of frost. Highs around 58.

Tuesday Night and Wednesday: Mostly clear. Lows around 39. Highs around 60.

Wednesday Night and Thursday: Clear. Lows 35 to 41. Highs around 62.

Thursday Night and Friday: Mostly clear. Lows 36 to 41. Highs 59 to 65.
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.