CNRFC - Hydrology - Observed River/Reservoir Conditions

HUMBOLDT RIVER - COMUS (CMSN2)

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

Monitor Stage: 8.5 Feet

Flood Stage: 9.5 Feet

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
2025*	636	5.54	May 27, 2025
2024*	2,310	10.19	May 5, 2024
2023*	3,240	11.11	Jun 3, 2023
2022*	164	3.25	Jun 20, 2022
2021*	279	3.96	Jun 10, 2021
Historical High Stage/Flow Events (Period of Record - April 1895** to Present) - Ranked by Flow
1984*	9,900	12.25	Apr 24, 1984
2006*	6,070	11.78	Apr 16, 2006
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
* 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

Official 7 Day National Weather Service Forecast (NVZ030)

rest of Today: Sunny. Highs 49 to 57. Southeast winds up to 5 mph.

Tonight: Mostly clear. Lows 24 to 32. South winds up to 5 mph.

Sunday: Mostly sunny. Highs 53 to 61. South winds up to 10 mph.

Sunday Night: Mostly cloudy. Lows 28 to 36. South winds up to 10 mph.

Monday: Mostly sunny. Highs 51 to 61. South winds up to 10 mph increasing to southwest 15 to 20 mph in the afternoon.

Monday Night: Partly cloudy. Lows 23 to 31.

Tuesday: Mostly sunny. Highs 47 to 57.

Tuesday Night: Partly cloudy. Lows 24 to 32.

Wednesday: Mostly sunny. Highs 50 to 60.

Wednesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 27 to 35.

Thursday: Mostly cloudy in the morning then becoming mostly sunny. Highs 49 to 59.

Thursday Night: Mostly cloudy. Lows 25 to 33.

Friday: Partly sunny. Highs 45 to 55.

Flood Impacts
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. Homes and basements begin to experience flooding. 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 and early June 2023.
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 along First and Second Streets. 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 along First Street, 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	Action 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.

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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