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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.


HUMBOLDT RIVER - ELKO (HREN2)
Latitude: 40.94º NLongitude: 115.62º WElevation: 5142 Feet
Location: Elko County in NevadaBulletin Group: HumboldtRiver Group: Humboldt
Issuance Time: Jun 16, 2025 at 6:45 AM PDT
Action/Monitor: N/A Minor Flood: 6.2 FeetModerate Flood: 8.0 FeetMajor Flood: 10.0 Feet
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.
Threshold Exceedance Plot                  Product Information        CSV Ensemble Files (Data in kcfs):  Forecast Group  |  HREN2

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Verification / Historical Plots
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Flood Impacts
11.5 FeetFlood 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 FeetRecord 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 FeetNear 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 FeetMajor 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 FeetModerate 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 FeetModerate 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 FeetModerate 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 FeetMinor 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 FeetMinor Flood Stage - Minor flooding begins in Elko. The storm drain at 1st and Water Streets starts to back up.
6.2 FeetMinor 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 FeetAction 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   (NVZ032)