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

Start of River Group | 

Latitude: 39.30º NLongitude: 120.20º WElevation: 5860 Feet
Location: Placer County in CaliforniaRiver Group: Eastern Sierra
Monitor Stage: 4.5 FeetFlood Stage: 5.5 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)
 Most Recent 5 Years
May 12, 2021
May 18, 2020
Apr 9, 2019
Apr 7, 2018
Jan 8, 2017
 Historical High Stage/Flow Events (Period of Record - Sept 1944 to Present) - Ranked by Flow
Jan 2, 1997
Feb 1, 1963
Dec 23, 1955
Nov 20, 1950
Dec 31, 2005
 * Discharge affected by regulation or diversion
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ072)
Today: Mostly cloudy. Highs 39 to 44. South winds around 10 mph increasing to 15 to 20 mph with gusts up to 45 mph in the afternoon. Ridge gusts up to 50 mph increasing to 80 mph in the afternoon.

Tonight: Heavy snow and rain in the evening, then heavy snow, rain and slight chance of thunderstorms after midnight. Snow level 6500 feet lowering to lake level. Snow accumulation of 2 to 6 inches with 12 to 20 inches above 7000 feet. Lows 22 to 27. Southwest winds 20 to 30 mph with gusts up to 50 mph. Ridge gusts up to 105 mph.

Sunday: Heavy snow showers and isolated thunderstorms in the morning, then heavy snow showers in the afternoon. Snow accumulation of 4 to 10 inches with 7 to 13 inches above 7000 feet. Highs 29 to 34. Southwest winds 15 to 25 mph with gusts up to 40 mph. Ridge gusts up to 80 mph.

Sunday Night: Mostly cloudy. Lows 7 to 17. West winds 10 to 15 mph. Gusts up to 30 mph in the evening. Ridge gusts up to 50 mph in the evening.

Monday: Partly cloudy in the morning then clearing. Highs 29 to 34. Northeast winds 10 to 15 mph. Ridge gusts up to 60 mph in the afternoon.

Monday Night: Clear. Lows 11 to 21.

Tuesday through Wednesday: Partly cloudy. Highs 38 to 43. Lows 16 to 26.

Wednesday Night and Thursday: Clear. Lows 13 to 23. Highs 39 to 44.

Thursday Night and Friday: Partly cloudy. Lows 14 to 24. Highs 41 to 46.
Impacts - E19 Information
4.5 FeetMonitor Stage. No flooding along the Truckee River from Alpine Meadows to Truckee.
5.5 FeetFlood Stage. Minor flooding from Alpine Meadows to Truckee. Minor flooding of landscapes, basements, and crawl spaces in low lying properties. Riverside campgrounds may be impacted by flooding from small tributaries and overland flow, but little impact to campgrounds is expected from the river.
6.5 FeetFlooding from Alpine Meadows to Truckee, including yards, crawl spaces, basements, private bridges, and campgrounds. Flow similar to January 2017 event.
7.0 FeetModerate 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.
7.5 FeetMajor 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.>
8.5 FeetMajor flooding from the Alpine Meadows area through Truckee. Significant damage is likely to many roads, bridges, structures and homes along the river.
9.5 FeetNear record flooding, widespread damage to homes, businesses, roads, and bridges along river from Alpine Meadows through Truckee.
10.0 FeetRecord 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.
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.