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		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
2021*	279	3.96	Jun 10, 2021
2020*	364	4.61	Jun 6, 2020
2019*	3,230	11.17	Jun 15, 2019
2018*	586	5.36	Apr 15, 2018
2017*	4,960	11.29	Mar 31, 2017
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

Official 7 Day National Weather Service Forecast (NVZ030)

Today: Partly sunny. Highs 33 to 43. Southeast winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon.

Tonight: Cloudy. A 20 percent chance of snow showers after midnight. Patchy blowing snow after midnight. Visibility one quarter mile or less at times after midnight. Lows 25 to 31. Southeast winds 10 to 15 mph with gusts to around 35 mph.

Tuesday: Breezy. Not as cool. Mostly cloudy. Patchy blowing snow in the morning, then blowing snow in the afternoon. Rain showers and snow showers likely in the afternoon. Visibility one quarter mile or less at times. Snow accumulation up to 5 inches. Highs 40 to 52. South winds 15 to 25 mph with gusts to around 50 mph. Chance of precipitation 70 percent.

Tuesday Night: Mostly cloudy. Patchy blowing snow in the evening. Rain showers likely and chance of snow showers in the evening, then chance of snow showers after midnight. Visibility one quarter mile or less at times in the evening. Heavy snow accumulations. Lows 22 to 30. Southwest winds 5 to 15 mph. Gusts up to 35 mph in the evening. Chance of precipitation 70 percent.

Wednesday: Mostly cloudy in the morning then becoming mostly sunny. A 50 percent chance of snow. Highs 35 to 45. West winds up to 10 mph.

Wednesday Night: Partly cloudy. Lows 21 to 27.

Thursday: Mostly sunny. Highs 37 to 47.

Thursday Night: Partly cloudy. Lows 23 to 29.

Friday: Mostly sunny. Highs 41 to 51.

Friday Night: Partly cloudy. Lows 28 to 34.

Saturday: Breezy. Partly sunny. Chance of snow in the morning, then chance of rain and snow in the afternoon. Highs 44 to 54. Chance of precipitation 50 percent.

Saturday Night: Breezy. Mostly cloudy with a 50 percent chance of rain and snow. Lows 27 to 33.

Sunday: Partly sunny with a 50 percent chance of snow. Highs 38 to 48.

Impacts - E19 Information
8.5 Feet	Some very minor flooding at scattered locations in reach. No flooding in Winnemucca.
9.0 Feet	Very minor lowland flooding in reach. No flooding in Winnemucca.
9.5 Feet	Flood Stage - Minor lowland flooding throughout reach. No flooding in Winnemucca.
10.0 Feet	Minor to moderate lowland flooding throughout reach. Some rural roads near river begin to flood. Very minor flooding begins in Winnemucca with sewer backups, and lowest parts of town begin to flood (similar to 02/1986 flood).
10.5 Feet	Moderate lowland flooding through reach with some rural roads flooded. Minor flooding in lower parts of Winnemucca with sewer backups. Main area impacted is between Union Pacific railroad and 2nd Street beneath Interstate 80 (similar to 02/1986, 06/1995, and 05/1998 floods).
11.0 Feet	Moderate to major lowland flooding throughout reach. Many rural roads near river flooded. Minor to moderate flooding in lower portions of Winnemucca. Main area impacted is between Union Pacific railroad and Golconda Street on west and 2nd Street beneath Interstate 80 on the east (similar to 06/1921 and 04/1969 floods).
11.5 Feet	Major flooding throughout reach, except moderate flooding in lower portion of Winnemucca. Many rural roads near river flooded. Main area impacted is between Union Pacific railroad and Golconda Street on the west and 2nd Street on the east not including Interstate 80 (similar to 06/1983 flood).
12.0 Feet	Major flooding, including Winnemucca. All secondary roads, stretches of rail and some ranch buildings near river flood. River 2 to 4 miles wide through Humboldt County. Lower parts of Winnemucca flood between Union Paific railroad and Golconda Street on the west and 2nd Street on the east not including Interstate 80. A dozen homes and several businesses affected. Large loss of livestock in area (greater than 05/1952 flood, but not as severe as record 04/1984 flood).
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. River 2 to 5 miles wide through Humboldt County. Winnemucca flooded between Union Pacific railroad and 2nd Street on the east. US Highway 95 bridge in Winnemucca may be affected. Many homes and businesses flood in Winnemucca. Large losses of livestock in area (similar to record 04/1984 flood).

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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