CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

HUMBOLDT RIVER - ELKO (HREN2)

Latitude: 40.94º N	Longitude: 115.62º W	Elevation: 5142 Feet
Location: Elko County in Nevada		Bulletin Group: Humboldt		River Group: Humboldt

Issuance Time:

Dec 25 2025 at 8:45 AM PST

Next Issuance:

Dec 25 2025 at 3:00 PM PST

Action/Monitor: N/A

Minor Flood: 6.2 Feet

Moderate Flood: 8.0 Feet

Major Flood: 10.0 Feet

Plot Type:

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
	Raw streamflow data is provided by the US Geological Survey (USGS). View US Geological Survey (USGS) Data for this station location.

Historical Stage/Flow Data
Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months.
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2025*	527	2.99	Jun 04, 2025
2024*	1,360	4.89	Apr 28, 2024
2023*	2,510	6.63	May 27, 2023
2022*	223	2.51	Jun 14, 2022
2021*	94	1.88	May 24, 2021
Historical High Stage/Flow Events (Period of Record - Oct 1944 to Present) - Ranked by Flow
1983*	7,100	12.18	Mar 04, 1983
1962*	7,070	12.30	Feb 13, 1962
2017*	6,670	10.67	Feb 10, 2017
1984*	5,790	10.22	May 17, 1984
2005*	4,360	9.29	May 18, 2005
1986*	3,990**	7.64	Feb 19, 1986
* Discharge affected to unknown degree by regulation or diversion ** Revised by USGS.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
11.5 Feet	Flood disaster - major damage occurs to roads, railroads, and agriculture including livestock drownings. Major impact occurs to transportation and communications. Approaches to all three bridges in Elko will likely flood: Errecart Blvd., 5th Street, and 12th Street. Homes located withing the floodplain are likely impacted.
11.0 Feet	Record Streamflow, major to record flooding. Major damage occurs to roads, railroads and agriculture, including livestock drownings. Major impact occurs to transportation and communications. Approaches to all three bridges in Elko are nearly flooded: Errecart Blvd., 5th Street, and 12th Street. Homes located within the floodplain could be impacted.
10.7 Feet	Near Record Streamflow. Major damage to roads, railroads and structures. Moderate impact occurs to transportation and communication. Livestock will be greatly impacted. Elko will flood from near River Street north of the river to near Wilson Ave. and Bullion Road south of the river. Flooding also occurs north of 12th Street including Opal Drive. River is above storm drain elevation.
10.0 Feet	Major Flood Stage - major flooding occurs throughout the reach. Major damage occurs to roads, railroads, and structures. Livestock are impacted. Elko is flooded to near River Street north of the river to near Wilson Ave south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Ave. to 12th Street. Basements in low-lying parts of town will flood. Flooded areas are pumped by the city.
9.0 Feet	Moderate to major flooding occurs throughout the reach. Significant damage occurs to roads, railroads, and structures. Livestock are impacted. Elko flooding occurs between Douglas and Water Streets north of the river and to Front Street south of the river between 1st and 9th streets, as well as from 9th and Lyon Ave. to 12th Steet. Basements will be impacted along this corridor. City pumping of flooded areas begins.
8.5 Feet	Moderate flooding occurs throughout the reach, including in Elko. Some flooding and damage occurs to rural roads throughout the floodplain. Elko flooding occurs between Douglas and Water Streets north of the river and to Front Street south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Ave to 12th Street. Basements will be impacted along this corridor.
8.0 Feet	Moderate Flood Stage - Moderate lowland flooding occurs throughout the reach, with minor to moderate flooding in Elko caused by backed up storm drains. Minor flooding of rural roads occurs. In Elko, flood waters continue to rise between Douglas and Water Streets on the north side of the river, and to Front Street south of the river between 1st and 9th Streets, as well as from 9th and Lyon ave to 12th Street. Basements may be impacted along this corridor.
7.0 Feet	Minor lowland flooding begins throughout the reach and minor flooding of rural roads occurs. In Elko, minor flooding occurs in the parking lots on Water Street between 7th and 9th Streets and from backed-up storm drains at the following intersections: 1st and Water Streets, 3rd and Water Streets, 2nd and Douglas Streets, and 6th and Front Streets.
6.7 Feet	Minor Flood Stage - Minor flooding begins in Elko. The storm drain at 1st and Water Streets starts to back up.
6.2 Feet	Minor lowland flooding occurs upstream and downstream of Elko. Very minor flooding from backed up storm drains begins in Elko, especially in the parking lots on Water Street between 7th and 9th Streets.
5.5 Feet	Action Stage - Near bankfull conditions. Isolated minor lowland flooding possible upstream and downstream of Elko. No flooding execpected in Elko.

Official 7 Day National Weather Service Forecast (NVZ038)

Rest of Today: Windy. Partly sunny with scattered rain showers. Highs 46 to 52. South winds 15 to 30 mph with gusts to around 50 mph. Chance of showers 50 percent.

Tonight: Breezy. Mostly cloudy. Scattered rain showers in the evening, then scattered rain showers and snow showers after midnight. Lows in the lower 30s. South winds 15 to 25 mph with gusts to around 40 mph. Chance of precipitation 50 percent.

Friday: Widespread rain showers and snow showers in the morning, then widespread rain showers and scattered snow showers in the afternoon. Snow accumulation up to 2 inches. Snow level 5500 feet. Highs 40 to 46. Southwest winds 10 to 20 mph. Gusts up to 35 mph in the morning. Chance of precipitation 90 percent.

Friday Night: Mostly cloudy. Scattered snow showers and rain showers in the evening, then scattered snow showers after midnight. Lows in the mid 20s. Southwest winds 5 to 15 mph. Chance of precipitation 50 percent.

Saturday: Partly sunny with scattered snow showers. Highs 33 to 39. West winds 5 to 15 mph. Chance of snow 50 percent.

Saturday Night: Colder. Partly cloudy. Lows 10 to 16.

Sunday: Mostly sunny. Highs 29 to 35.

Sunday Night: Clear. Lows 10 to 16.

Monday: Sunny. Highs 35 to 41.

Monday Night: Mostly clear. Lows 15 to 21.

Tuesday: Mostly sunny. Highs 42 to 48.

Tuesday Night: Mostly clear. Lows 20 to 26.

Wednesday: Mostly sunny. Highs 45 to 51.

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 Elko 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.

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