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

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TRUCKEE RIVER - RENO (TRRN2)
Latitude: 39.53º NLongitude: 119.79º WElevation: 4445 Feet
Location: Washoe County in NevadaBulletin Group: Eastern SierraRiver Group: Eastern Sierra
Monitor Stage: 10.0 FeetFlood Stage: 12.0 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
2023*
5,680
9.58
May 23, 2023
2022*
5,200
9.31
Oct 25, 2021
2021*
790
5.31
May 7, 2021
2020*
1,910
6.82
May 18, 2020
2019*
5,160
9.34
Apr 9, 2019
 Historical High Stage/Flow Events (Period of Record - March 1907** to Present) - Ranked by Flow
1956*
20,800
13.63***
Dec 23, 1955
1951*
19,900
13.83***
Nov 21, 1950
1963*
18,400
13.28***
Feb 1, 1963
1997*
18,200
14.94***
Jan 2, 1997
2006*
16,400
13.38
Dec 31, 2005
 * Discharge affected to unknown degree by regulation or diversion
 ** Most recent continuous record back to Oct 1947 with segmented periods back to Mar 1907
 *** Datum and location change on 10/1/1998, and not directly relatable to old location.
Location Photographs
ESRI™ Locator Map
Impacts - E19 Information
15.5 FeetRecord catastrophic flooding from Mogul to Reno. Property and infrastructure in the floodplain sustain heavy damage. Reno airport and portions of downtown under about 6 feet of water. Transportation, power, phone, water, and hospital services disrupted through region. Only Interstate 80, Wells and Highway 395 bridges likely to remain open. Downtown Reno flooded from approximately 3rd Street in north to Court/Mill Streets in south.
15.0 FeetNear Record flooding between Mogul and Reno with extensive flood damage. Reno airport and downtown flood several feet deep. Downtown Reno floods from approximately 2nd Street on the north side of the river to Court/Mill streets on the south. Casinos, hotels, stores, post office, courthouse, phone building, bus depot, churches, museums and parks flood. Utility lines on bridges may be severed. Idlewild and Wingfield Parks flood up to 10 feet. Bridges likely closed except I-80, Wells and 395. Similar to 97.
14.5 FeetMajor damage from Mogul to Reno. Extensive flood damage in downtown Reno and the Reno airport near level of January 1997 event.
14.0 FeetMajor Flood stage. Major flooding with serious damage from Mogul to Reno. Downtown Reno and the Reno airport begin to have serious river flooding roughly between 2nd Street on the north to Court/Mill Streets on the south. Transportation severely impacted, many roads and bridges flood.
13.5 FeetModerate flooding from Mogul to Reno. Flooding area includes downtown Reno with impacts expanding into multiple commercial and municipal buildings. Flooding may start impacting the airport. Slightly above the level of the 12/31/05 flooding.
13.0 FeetModerate Flood stage. Moderate flooding from Mogul to Reno. Only I-80, Keystone, Virginia street, Wells Ave and Highway 395 bridges likely to remain open. Flooding expected to begin impacting downtown Reno along north side of river near Booth Street and along Riverside and portions of 1st Street. Flooding may also start occurring at the Grand Sierra Resort RV Park unless protective measures are implemented.
12.5 FeetMinor flooding from Mogul to Reno. River flooding low areas, parks, and trails between Mogul and Reno. Out of bank flow near Booth Street and 1st Street is possible. Arlington, Sierra, Center, and Lake Street Bridges likely closed. Debris accumulation or bank erosion may lead to expanded impacts. Similar to 1/9/17 flood event.
12.0 FeetFlood stage. Minor flooding with bank full conditions from Mogul to Reno with significant inundation to Truckee River Walk, riverside parks and damage to park infrastructure. Impacts to transportation, as many downtown Reno bridges may be closed for public safety and to facilitate debris removal. Overtopping of river bank near Booth Street in Reno is possible.
11.5 FeetNear maximum safe flow from Mogul to Greg Street Bridge in Reno, minor flooding of bike path and riverside parks. Close monitoring is necessary as debris build up or bank erosion could easily lead to flooding. Similar to 2/10/2017 flood event.
11.0 FeetVery high flows with some inconvenience flooding of riverside parks and bike path.
10.0 FeetMonitor Stage, No flooding from Mogul to Greg Street Bridge in Reno. Significant preparations to riverside parks begin in advance of this level. Releases from flood control reservoirs (Prosser, Stampede and Boca) are cut slightly in advance of this level. Similar to high flow of 4/7/2008.
Official 7 Day National Weather Service Forecast   (NVZ003)
Today: Sunny. Highs 78 to 83. Light winds becoming south around 10 mph in the afternoon.

Tonight: Partly cloudy in the evening then clearing. Lows 42 to 52. Southwest winds 10 to 15 mph.

Saturday: Sunny. Highs 73 to 78. Southwest winds 10 to 15 mph.

Saturday Night: Clear. Lows 39 to 49. West winds 10 to 15 mph in the evening becoming light.

Sunday: Sunny. Highs 70 to 75. Light winds becoming northeast around 10 mph in the afternoon.

Sunday Night: Clear. Lows 40 to 50.

Columbus Day through Tuesday Night: Clear. Highs 76 to 81. Lows 41 to 51.

Wednesday: Mostly cloudy with a chance of showers. Highs 68 to 73.

Wednesday Night and Thursday: Partly cloudy with a chance of showers. Lows 35 to 45. Highs 61 to 66.
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.