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 - BELOW DERBY DAM (TBDN2)
Latitude: 39.58º NLongitude: 119.44º WElevation: 4200 Feet
Location: Storey County in NevadaBulletin Group: Eastern SierraRiver Group: Eastern Sierra
Issuance Time: May 09 2025 at 8:26 AM PDTNext Issuance: May 10 2025 at 9:00 AM PDT
Action/Monitor: 10.0 FeetMinor Flood: 11.0 FeetModerate Flood: N/A Major Flood: N/A

Please Note:
1) 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.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (USGS) Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Location Photographs
ESRI™ Locator Map
Flood Impacts
11.0 Feet Flood Stage, Minor flooding. Near gate capacity at Derby Dam, may require the removal of soft plug on the overflow channel
Official 7 Day National Weather Service Forecast   (NVZ003)
Tonight: Clear. Lows 52 to 57. Southwest winds 10 to 15 mph.

Saturday: Sunny. Highs 82 to 87. South winds around 10 mph increasing to southwest 15 to 25 mph with gusts up to 35 mph in the afternoon.

Saturday Night: Clear. Lows 50 to 55. Southwest winds 15 to 25 mph with gusts up to 40 mph decreasing to around 10 mph after midnight.

Sunday: Sunny. Highs 72 to 77. Southwest winds 10 to 15 mph increasing to 20 to 30 mph with gusts up to 50 mph in the afternoon.

Sunday Night: Clear. Lows 41 to 51. Southwest winds 20 to 30 mph with gusts up to 50 mph decreasing to 10 to 15 mph with gusts up to 30 mph after midnight.

Monday: Breezy. Sunny in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs 57 to 67.

Monday Night: Breezy. Mostly cloudy with a chance of showers. Lows 36 to 41.

Tuesday: Mostly cloudy. Slight chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs 55 to 60.

Tuesday Night through Wednesday Night: Partly cloudy. Lows 39 to 44. Highs 62 to 67.

Thursday: Sunny. Highs 69 to 74.

Thursday Night and Friday: Partly cloudy. Lows 44 to 49. Highs 71 to 76.
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.