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Latitude: 39.53º N | Longitude: 119.79º W | Elevation: 4445 Feet | |||
Location: Washoe County in Nevada | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
Issuance Time: | Dec 08 2023 at 7:20 AM PST | Next Issuance: | Dec 08 2023 at 3:00 PM PST |
Monitor Stage: 10.0 Feet | Flood Stage: 12.0 Feet |
Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries. |
Observed Data Credit | |
![]() | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
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 |
2018* |
6,690 |
10.24 |
Apr 7, 2018 |
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 | |
10.0 Feet | Monitor 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 Feet | Very high flows with some inconvenience flooding of riverside parks and bike path. |
11.5 Feet | Near 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 Feet | Flood 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 Feet | Minor 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 Feet | 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. |
13.5 Feet | Moderate 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 Feet | 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. Keystone Bridge likely closed near this level. |
14.5 Feet | Major damage from Mogul to Reno. Extensive flood damage in downtown Reno and the Reno airport nearing level of January 1997 event. |
15.0 Feet | Near 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 Feet | Record 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. |
Official 7 Day National Weather Service Forecast (NVZ003) |
Today: Partly cloudy in the morning then clearing. Highs 37 to 42. Light winds becoming north around 10 mph in the afternoon. Tonight: Clear. Lows 13 to 23. Light winds. Saturday: Sunny in the morning then becoming partly cloudy. Highs 41 to 46. Light winds becoming southeast around 10 mph in the afternoon. Saturday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 24 to 29. Southeast winds around 10 mph in the evening becoming light. Sunday: Mostly cloudy. Highs 51 to 61. Light winds. Sunday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 25 to 30. Monday and Monday Night: Partly cloudy. Highs 49 to 54. Lows 19 to 29. Tuesday and Tuesday Night: Clear. Highs 44 to 49. Lows 22 to 27. Wednesday through Thursday: Partly cloudy. Highs 41 to 51. Lows 22 to 27. |
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. |