National Weather Service Advanced Hydrologic Prediction Service

weather.gov

Home

News

Organization

Search by city or zip code. Press enter or select the go button to submit request

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
User Guide
User Brochure

What is AHPS?
Facts
Our Partners

Feedback/Questions
Provide Feedback
Ask Questions

Web Portal Changes:

AHPS - water.weather.gov- Scheduled operations ends on Tuesday, May 28th, 2024
Please see water.noaa.gov/gauges/HARP1. Please sub in your favorite location ID for HARP1 - bookmark it NOW
The pages will automatically redirect to water.noaa.gov until May 28, 2025.
Other Important URL changes - Service Change Notice 24-29

Please visit https://www.weather.gov/owp/operations for more information.

Weather Forecast Office Reno, NV

California Nevada River Forecast Center

Hydrograph

River at a Glance

Download

Printable Image

About this graph

Tabular Data (UTC)

Tabular Data (PDT)

Datum: NGVD29

Metadata

NOTE: Stage may be affected by ice during winter months.

NOTE: Reported historic crests have been estimated using recent ratings due to previous channel, location and/or datum changes. USGS observed crests can be found at: waterdata.usgs.gov/nwis/rt Please also see Additional Information tab at the bottom of this page.

NOTE: Forecasts for the Truckee River near Truckee are issued routinely year-round.

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	7.5
Moderate Flood Stage:	6.5
Flood Stage:	5.5
Action Stage:	4.5
Low Stage (in feet):	0

Historic Crests
(1) 10.03 ft on 01/02/1997
(2) 9.59 ft on 02/01/1963 (P)
(3) 7.98 ft on 12/23/1955 (P)
(4) 7.28 ft on 11/20/1950 (P)
(5) 7.02 ft on 12/31/2005 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.32 ft on 04/07/2018
(2) 4.91 ft on 05/06/2017
(3) 5.36 ft on 02/09/2017
(4) 6.43 ft on 01/09/2017 (P)
(5) 7.02 ft on 12/31/2005 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.54 ft on 08/15/2015
(2) 0.62 ft on 10/02/2016
(3) 0.72 ft on 11/19/2014
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:14

	Gauge Location	Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
10	Record flooding, similar to the flood of January, 2 1997. Widespread and major damage is likely to many homes, businesses, bridges and roads near the river from the Alpine Meadows area through Truckee.
9.5	Near record flooding, widespread damage to homes, businesses, roads, and bridges along river from Alpine Meadows through Truckee.
8.5	Major flooding from the Alpine Meadows area through Truckee. Significant damage is likely to many roads, bridges, structures and homes along the river.
7.5	Major flood stage. Major flooding with damage to roads, bridges and structures along the Truckee River between Alpine Meadows and Truckee including low lying homes. Highway 89 likely overtopped near the Pole Creek Road.
7	Moderate flooding along Truckee River between Alpine Meadows and Truckee. Significant damage to some private bridges and low-lying structures along the river is possible. Flows similar to the flood of December 31 2005.
6.5	Moderate flood stage. Flooding from Alpine Meadows to Truckee, including yards, crawlspaces, basements, private bridges and campgrounds. Flows similar to January 2017 event.
5.5	Flood stage. Minor flooding from Alpine Meadows to Truckee. Minor flooding of landscapes, basements and crawlspaces in low lying properties. Riverside campgrounds may be impacted by flooding from small tributaries and overland flow, but little impact is expected from the river.
5	Minor flooding from Bear Creek in the Alpine Meadows area to Truckee. Truckee River bike path between the River Ranch at Alpine Meadows Road to Tahoe City flooded up to a foot deep. Minor flooding of basements and yards of some low-lying homes along the river. Deep Creek Campground has limited access due to flooding. Minor flooding begins at Silver Creek Campground. About 2850 cfs. USGS estimates this much flow has about a 1 in 5 chance of being exceeded any year.
4.5	Monitor Stage, No flooding along the Truckee River from Alpine Meadows to Truckee.
Photos (1) Downstream view along the left bank (2) Upstream view along the left bank

About This Location

Latitude: 39.296295° N, Longitude: 120.205475° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	5.5 ft	Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum	Elevation (gauge height = 0)	Elevation (gauge height = flood stage)	Elevation information source
NAVD88	Not Available	Not Available	Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29	5860.0	5865.5	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	Not Available	Not Available

Current/Historical Observations:

U.S. Geological Survey (USGS) Data and Site Info for Truckee

Additional Information

Reported historic crest estimates have been normalized using USGS Rating 18 (as of 1/3/2024) due to previous channel, location and/or datum changes. For observed crests please go to:https://nwis.waterdata.usgs.gov/usa/nwis/peak/?site_no=10338000

Resources

Hydrologic Resources

Additional Resources

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

NWS Information

National Weather Service
Reno Weather Forecast Office
2350 Raggio Pkwy
Reno, NV 89512-3900
(775) 673-8100
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:27 PM

Disclaimer
Credits
Glossary