National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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WEST WALKER RIVER - HWY 395 BELOW LITTLE WALKER (WWBC1)
Latitude: 38.38º NLongitude: 119.45º WElevation: 6591 Feet
Location: Mono County in CaliforniaRiver Group: Eastern Sierra
Monitor Stage: 5.5 FeetFlood Stage: 6.0 Feet

Observed Data Credit
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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
2019
2,970
6.16
Jun 7, 2019
2018
3,320
5.76
Apr 7, 2018
2017
4,260
6.95
Jun 20, 2017
2016
1,670
4.94
Jun 8, 2016
2015
746
3.50
Jun 11, 2015
 Historical High Stage/Flow Events (Period of Record - Apr 1938 to Present)
1997*
12,300
10.11
Jan 02, 1997
1951*
6,220
8.10
Nov 20, 1950
1938*
5,800
--
Dec 11, 1937
1956*
5,180
7.41
Dec 23, 1955
1996*
4,610
6.55
May 16, 1996
 * Numerous small gage location changes, some including datum changes, prior to Mar 1997.
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ073)
Today: Sunny. Highs 78 to 88. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.

Tonight: Clear. Lows 37 to 47. West winds around 10 mph in the evening becoming light.

Friday: Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs 78 to 88. Light winds becoming east around 10 mph in the afternoon.

Friday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then clear after midnight. Lows 39 to 49. West winds around 10 mph in the evening becoming light.

Saturday: Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs 80 to 90. Light winds becoming east around 10 mph in the afternoon.

Saturday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then clear after midnight. Lows 40 to 50.

Sunday: Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs 82 to 92.

Sunday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then clear after midnight. Lows 41 to 51.

Monday: Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs 81 to 91.

Monday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then clear after midnight. Lows 41 to 51.

Tuesday: Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs 80 to 90.

Tuesday Night and Wednesday: Clear. Lows 39 to 49. Highs 79 to 89.
Impacts - E19 Information
5.5 FeetMonitor stage. No flooding in reach from West Walker River Canyon through Antelope Valley CA, including Walker, Coleville, and Topaz CA.
6.0 FeetFlood Stage. Minor flooding of lowlands, pasture, and rural roads in West Walker River Canyon and Antelope Valley, including Walker, Coleville, and Topaz CA. Roughly similar to late May 2005, and slightly below peaks of June 2010 and May 2006.
6.5 FeetModerate flooding of lowlands, pasture, and some rural roads from the West Walker River Canyon to Topaz Lake, including Walker, Coleville, and Topaz CA. Similar to peak of June 2011, and slightly below the peak of June 2017.
7.0 FeetSignificant flooding of lowlands, agricultural land, yards, basements, rural roads in the West Walker River Canyon and in Antelope Valley, including Walker, Coleville, and Topaz CA. Flooding of structures limited although sandbagging necessary. Roughly similar to May 1996 flood, and slightly in excess of June 2017 peak.
7.3 FeetMajor flooding in the West Walker River Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Many buildings, roads flooded and washed out, with major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected. Severe damage to Highway 395 in West Walker Canyon possible.
7.5 FeetMajor flooding in the West Walker Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Many buildings, roads flooded and washed out. Major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected. Severe damage to Highway 395 in West Walker Canyon.
8.0 FeetFlooding near disaster levels in the West Walker Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Numerous structures flooded and roads washed out. Many sections of Highway 395 destroyed in West Walker Canyon. Major damage to agricultural land due to erosion and destroyed facilities, diversion dams, headgates, canals, levees.
8.25 FeetFlood disaster in West Walker Canyon and in Antelope Valley. Widespread flood damage to roads, bridges, homes, and structures along river. Severe damage to Highway 395 in West Walker Canyon with highway likely closed. Historically this flow has been reached or exceeded only once in January 1997.
8.8 FeetFlood disaster from Walker River Canyon to Antelope Valley/Topaz Lake. Widespread flood damage to roads, bridges, homes, and structures along river. Severe damage to Highway 395 in West Walker River Canyon with the highway probably closed. Historically this flow has been exceeded only once, in January 1997.
9.5 FeetNear record flooding. Area cut off as most transportation routes into area destroyed/flooded. Massive destruction of infrastructure and economy including utilities, roads, business, homes, etc.
10.25 FeetFlood of record. Highway 395 in West Walker River Canyon closed for months. Massive destruction to infrastructure and economy including transportation, power, water, homes, businesses, etc. Area isolated. At this stage in January 1997, a 6.5 mile stretch of Highway 395 completely scoured with debris from canyon deposited in the town of Walker.
10.5 FeetIncredible flood disaster in excess of January 1997 event.
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 Reno 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.