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

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
2019*	3,230	11.17	Jun 15, 2019
2018*	586	5.36	Apr 15, 2018
2017*	4,960	11.29	Mar 31, 2017
2016*	1,180	7.95	May 27, 2016
2015*	476	4.86	Jun 17, 2015
Historical High Stage/Flow Events (Period of Record - April 1895** to Present)
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)

Tonight: Mostly cloudy. Slight chance of rain and snow in the evening. Snow level 5500 feet in the evening. Lows 19 to 29. Southwest winds 10 to 15 mph.

Monday: Partly sunny in the morning then becoming mostly cloudy. Valleys, slight chance of snow in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Mountains, slight chance of snow in the morning, then snow showers likely and slight chance of thunderstorms in the afternoon. Snow level 5000 feet in the afternoon. Highs 46 to 53 valleys and 40 to 50 mountains. West winds 10 to 15 mph.

Monday Night: Mostly cloudy. Slight chance of rain showers and thunderstorms in the evening. Slight chance of snow showers through the night. Snow level 5000 feet. Lows 21 to 30. Northwest winds 10 to 15 mph.

Tuesday: Mostly sunny. Highs 53 to 63. North winds 10 to 15 mph.

Tuesday Night: Mostly clear. Lows 27 to 34. North winds 10 to 15 mph.

Wednesday and Wednesday Night: Mostly clear. Highs 65 to 75. Lows 35 to 42.

Thursday and Thursday Night: Partly cloudy. Highs 74 to 84. Lows 41 to 49.

Friday and Friday Night: Mostly cloudy. Highs 81 to 87 valleys and 75 to 85 mountains. Lows 40 to 48.

Saturday: Partly sunny in the morning then becoming mostly sunny. Highs 72 to 80 valleys and 66 to 76 mountains.

Saturday Night and Sunday: Partly cloudy. Lows 32 to 42. Highs 62 to 69 valleys and 56 to 66 mountains.

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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