CNRFC - Hydrology - Observed River/Reservoir Conditions

End of River Group

HUMBOLDT RIVER - COMUS (CMSN2)

Latitude: 40.99º N	Longitude: 117.32º W	Elevation: 4360 Feet
Location: Humboldt County in Nevada		Bulletin Group: Humboldt		River Group: Humboldt

Monitor Stage: 8.5 Feet

Flood Stage: 9.5 Feet

Plot Type:

Observed Data Credit
	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)	Date
Most Recent 5 Years
2023*	3,240	11.11	Jun 3, 2023
2022*	164	3.25	Jun 20, 2022
2021*	279	3.96	Jun 10, 2021
2020*	364	4.61	Jun 6, 2020
2019*	3,230	11.17	Jun 15, 2019
Historical High Stage/Flow Events (Period of Record - April 1895** to Present) - Ranked by Flow
1984*	9,900	12.25	Apr 24, 1984
1952*	5,860	11.52	May 6, 1952
1983*	5,210	11.76	Jun 14, 1983
2017*	4,960	11.29	Mar 31, 2017
2005*	4,710	11.44	May 28, 2005
1969*	3,910	10.64	Apr 18, 1969
* Discharge affected to unknown degree by regulation or diversion
** Missing records from 1927 to 1945

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
12.5 Feet	Near record to record flooding in Humboldt County. Most secondary roads near the river, bridges over some primary roads, long stretches of rail and many ranch buildings flood. The river is 2-5 miles wide through Humboldt County. Winnemucca is flooded between the UPRR on the west and Second Street on the east. The U.S. Highway 95 bridge in Winnemucca may be affected. Many homes and businesses flood in Winnemucca. Large losses of livestock in the area. Similar to the record flood of April 1984.
12.0 Feet	Major flooding, including in Winnemucca. All secondary roads, stretches of rail and some ranch buildings near the river flood. The river is 2-4 miles wide through Humboldt county. Lower parts of Winnemucca flood between the UPPR and Golconda Street on the west and Second Street on the east, but not including Interstate 80. Approximately a dozen homes and several businesses are affected. Large losses of livestock in the area. Greater than the flood of 1952 but not as severe as the record flood of 1984.
11.5 Feet	Major Flood Stage. Major flooding throughout the reach, except moderate flooding in lower portions of Winnemucca. Many rural roads near the river are flooded. Main area impacted is between the Union Pacific Railroad and Golconda Street on the west and Second Street on the east, but not including Interstate 80. This would be similar to the floods of June 1983 and April 2017.
11.0 Feet	Moderate to major lowland flooding throughout the reach. Many rural roads near the river are flooded. Minor to moderate flooding occurs in lower portions of Winnemucca. Main area impacted is between the Union Pacific Railroad and Golconda Street on the west and Second Street on the east, beneath Interstate 80. This would be similar to flooding in February 2017.
10.5 Feet	Moderate Flood Stage. Moderate lowland flooding throughout the reach, with some rural roads flooded. Minor flooding in the lower parts of Winnemucca with storm drain backups. Main area impacted is between the Union Pacific Railroad and Second street beneath Interstate 80. Property damage in Winnemucca is minimal.
10.0 Feet	Minor to moderate lowland flooding throughout the reach. Some rural roads near the river begin to flood. Very minor flooding begins in Winnemucca with storm drain backups, and the lowest parts of town begin to flood.
9.5 Feet	Minor Flood Stage. Minor lowland flooding throughout the reach. No flooding in Winnemucca.
9.0 Feet	Very minor lowland flooding along the reach. No flooding in Winnemucca.
8.5 Feet	Monitoring Stage. Some very minor flooding occurs at scattered locations along the reach. No flooding occurs in Winnemucca.
8.0 Feet	No flooding in the reach.
7.5 Feet	No flooding in the reach.
7.0 Feet	No flooding in the reach.

Official 7 Day National Weather Service Forecast (NVZ030)

Today: Sunny. Highs 71 to 79. South winds up to 10 mph.

Tonight: Mostly clear. Lows 39 to 47. Southwest winds up to 10 mph.

Wednesday: Cooler. Partly sunny with chance of rain in the morning, then rain showers in the afternoon. Highs 53 to 63. West winds up to 15 mph. Chance of precipitation near 100 percent.

Wednesday Night: Mostly cloudy with chance of rain in the evening, then partly cloudy after midnight. Lows 35 to 41. West winds up to 10 mph. Chance of rain 50 percent.

Thursday: Rain and snow likely. Light snow accumulations. Highs 44 to 54. Northwest winds up to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation 70 percent.

Thursday Night: Colder. Mostly cloudy with chance of rain and snow in the evening, then partly cloudy after midnight. Lows 22 to 28. Chance of precipitation 50 percent.

Friday: Sunny. Widespread frost in the morning. Highs 43 to 51.

Friday Night: Mostly clear. Lows 24 to 30.

Saturday: Not as cool. Sunny. Highs 51 to 59.

Saturday Night: Mostly clear. Lows 29 to 37.

Sunday: Sunny. Highs 56 to 64.

Sunday Night: Partly cloudy. Lows 34 to 42.

Monday: Mostly sunny. Highs 56 to 66.

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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