CNRFC - Hydrology - Observed River/Reservoir Conditions

End of River Group

SAN DIEGO RIVER - FASHION VALLEY (FSNC1)

Latitude: 32.77º N	Longitude: 117.17º W	Elevation: 20 Feet
Location: San Diego County in California		River Group: Southern California

Monitor Stage: 7.5 Feet

Flood Stage: 10.0 Feet

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View USGS Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2023	5,080	12.77	Jan 16, 2023
2022	1,370	9.40	Dec 14, 2021
2021	691	7.26	Jan 29, 2021
2020	4,460	12.49	Apr 10, 2020
2019	3,350	12.19	Feb 14, 2019
Historical High Stage/Flow Events (Period of Record - Jan 1982 to Present) - Ranked by Flow
2017	9,810	14.15	Feb 28, 2017
1995*	9,430	13.47	Mar 06, 1995
2011*	9,420	14.06	Dec 22, 2010
1983	8,280	13.11	Mar 02, 1983
1998	7,090	12.80	Feb 08, 1998
* Since upstream regulation by El Capitan and San Vicente Reservoirs

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ043)

Today: Partly cloudy with patchy fog This Morning and becoming mostly sunny. Highs 59 to 64. Areas of winds northwest 10 mph.

Tonight: Mostly cloudy. Patchy fog overnight. Lows 35 to 44. Light winds.

Martin Luther King Jr Day: Mostly cloudy with patchy fog in the morning and becoming partly cloudy. Highs 60 to 65 near the coast to 64 to 67 inland. Light winds becoming northwest 10 mph in the afternoon.

Monday Night: Mostly clear. Lows 33 to 43. Areas of winds northeast 15 to 25 mph. Gusts to 40 mph and becoming 45 mph overnight.

Tuesday: Mostly sunny. Highs 66 to 71. Areas of winds east 20 to 30 mph. Gusts to 45 mph and becoming 40 mph in the afternoon.

Tuesday Night: Partly cloudy. Lows 32 to 42.

Wednesday: Partly cloudy in the morning and becoming mostly sunny. Highs 65 to 70 near the coast to 72 inland.

Wednesday Night: Mostly clear in the evening and becoming partly cloudy. Lows 37 to 47.

Thursday: Mostly sunny. Highs 67 to 72 near the coast to 73 inland.

Thursday Night: Mostly clear. Lows 36 to 46.

Friday: Partly cloudy. Highs 66 to 71 near the coast to 72 inland.

Friday Night: Partly cloudy. Lows 36 to 46.

Saturday: Partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs 61 to 66.

Flood Impacts
16.5 Feet	Most unelevated roads and intersections in Mission Valley are flooded and impassable. Widespread damage to businesses, residences and roads throughout Mission Valley. Water will reach up to Highway 163.
13.5 Feet	Portions of Hotel Circle Road North under water. Qualcomm Way flooded and may close. Snapdragon Stadium parking may flood (likely not now) and water may back up on Chollas Creek. Mission Gorge Road at low water crossing closed with 1-2 feet of flowing water. Mission Center Road will have 2-3 feet of flowing water. Hotel Circle Road has areas of standing water.
12.0 Feet	Even more extensive road flooding occurs in and around Mission Valley. Qualcomm Way, Camino Del Este, Ward Road, and Mission Gorge Rd flooded. Mission Trolley Station flooded and may close due to flowing water. I-5 on and off ramps flooded at the San Diego River and Pacific Highway. Mission Center Road may begin flooding with debris on railings. Fashion Valley Trolley Station surrounded by water. 2 feet of water flowing over Fashion Valley Road across gates. Old golf course has been flooded at this level.
11.0 Feet	The parking garages in Fashion Valley Mall can have up to 3 feet of water on the lowest levels. Water may begin to surround area hotels such as the River Leaf Inn. The Mission Trolley Station on Ward Road may begin to flood. Flooding begins on Camino De La Reina (under Highway 163).
10.0 Feet	More extensive flooding begins at this level, more than just low lying areas. Fashion Valley Mall parking garage is taking on water at the lower levels, with 1 to 2 feet of water in the garage. Water on the Town and Country hotel parking lot adjacent to the river and USGS gage.
9.0 Feet	More extensive low lying road flooding begins in and around Fashion Valley including Fashion Valley Road. Parking structures in and around Fashion Valley Mall can begin to take on water at the lowest levels.
7.5 Feet	Action stage. The first real impacts are seen on the San Diego River at this level. Low lying roads in and around Fashion Valley Mall begin to take on water. Avenida Del Rio is the first road to begin flooding.

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 San Diego 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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