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 NevadaRiver 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
2018*
6,690
10.24
Apr 7, 2018
2017*
12,800
12.45
Jan 9, 2017
2016*
3,320
8.00
Jan 30, 2016
2015*
2,060
6.98
Feb 9, 2015
2014*
1,430
6.31
Feb 9, 2014
 Historical High Stage/Flow Events (Period of Record - March 1907** to Present)
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
Official 7 Day National Weather Service Forecast   (NVZ003)
Today: Partly cloudy in the morning then becoming mostly cloudy. Highs 64 to 69. Light winds becoming southwest 10 to 15 mph with gusts up to 40 mph in the afternoon.

Tonight: Mostly cloudy. Lows 32 to 42. Southwest winds 10 to 15 mph. Gusts up to 35 mph in the evening.

Saturday: Mostly cloudy in the morning then becoming partly cloudy. Highs 55 to 65. Southwest winds 10 to 15 mph increasing to 20 to 30 mph with gusts up to 50 mph in the afternoon.

Saturday Night: Chance of showers in the evening, then snow showers likely after midnight. Snow level 5000 feet lowering to the valley floor. Lows 26 to 31. West winds 15 to 25 mph with gusts up to 45 mph shifting to the northwest 10 to 15 mph with gusts up to 30 mph after midnight.

Sunday: Cloudy with a chance of snow showers. Highs 35 to 40. North winds 10 to 15 mph increasing to 15 to 25 mph with gusts up to 45 mph in the afternoon.

Sunday Night: Breezy. Partly cloudy in the evening then clearing. Lows 19 to 24.

Monday and Monday Night: Clear. Highs 45 to 50. Lows 26 to 31.

Tuesday through Wednesday: Clear. Highs 55 to 60. Lows 29 to 34.

Wednesday Night: Partly cloudy. Lows 29 to 34.

Thursday: Sunny. Highs 58 to 63.
Impacts - E19 Information
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.
11.0 FeetVery high flows with some inconvenience flooding of riverside parks and bike path.
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.
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.
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 1/9/2017 flood event.
13.0 FeetModerate 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.
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 12/31/2005 flooding.
14.0 FeetMajor 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. Keystone Bridge likely closed near this level.
14.5 FeetMajor damage from Mogul to Reno. Extensive flood damage in downtown Reno and the Reno airport nearing level of January 1997 event.
15.0 FeetNear Record flooding between Mogul and Reno. 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 US 395.
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.
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.