CNRFC - Hydrology - Observed River/Reservoir Conditions

Start of River Group

SACRAMENTO RIVER - FREMONT WEIR (FMWC1)

Latitude: 38.77º N	Longitude: 121.67º W	Elevation: 40 Feet
Location: Sutter & Yolo County in California		River Group: Lower Sacramento

Monitor Stage: 32.0 Feet

Flood Stage: 39.5 Feet

Danger Stage: 40.5 Feet

Plot Type:

Observed Data Credit
	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
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ017)

Today: Mostly sunny in the morning then becoming mostly cloudy. Not as warm. Highs 79 to 89. Southwest winds 10 to 15 mph with gusts to around 30 mph.

Tonight: Mostly cloudy in the evening then clearing. Lows 52 to 58. South winds 10 to 15 mph with gusts to around 25 mph.

Friday: Mostly cloudy in the morning then becoming partly cloudy. Highs 82 to 90. South winds 10 to 15 mph.

Friday Night: Partly cloudy. Lows 53 to 59. Southwest winds 10 to 15 mph with gusts to around 25 mph.

Saturday: Partly cloudy in the morning then becoming mostly sunny. Highs 74 to 82. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.

Saturday Night: Mostly clear. Lows around 52.

Sunday: Sunny. Highs 74 to 81.

Sunday Night through Monday Night: Clear. Lows 49 to 59. Highs 74 to 84.

Tuesday and Tuesday Night: Clear. Highs 84 to 92. Lows 51 to 60.

Wednesday: Sunny. Highs 89 to 97.

Impacts - E19 Information
32.0 Feet	Fremont Weir crest elevation. Overflow begins into the Yolo Bypass flooding agricultural lands.
33.1 Feet	At one foot overflow, River Road to Woodland is closed due to flooding.
37.3 Feet	At 5.3 feet overflow, Egbert Tract floods.
44.0 Feet	Stages 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.

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