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

 |  End of River Group

HUMBOLDT RIVER - COMUS (CMSN2)
Latitude: 40.99º NLongitude: 117.32º WElevation: 4360 Feet
Location: Humboldt County in NevadaRiver Group: Humboldt
Monitor Stage: 8.5 FeetFlood Stage: 9.5 Feet

Observed Data Credit
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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
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (NVZ030)
Today: Breezy, cooler. Mostly sunny. Highs 53 to 63. Northwest winds 15 to 25 mph.

Tonight: Mostly clear. Lows 34 to 40. North winds 10 to 15 mph decreasing to up to 10 mph after midnight.

Tuesday: Warmer, sunny. Highs 62 to 72. East winds up to 10 mph.

Tuesday Night: Mostly clear. Lows 40 to 46. Northeast winds up to 10 mph.

Juneteenth: Warmer, sunny. Highs 71 to 81. East winds up to 10 mph.

Wednesday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 47 to 53.

Thursday: Warmer. Mostly sunny. Highs 80 to 88.

Thursday Night: Partly cloudy. Lows 52 to 58.

Friday: Sunny. Highs 83 to 93.

Friday Night: Mostly clear. Lows 55 to 61.

Saturday: Sunny. Highs 88 to 98.

Saturday Night: Clear. Lows 57 to 63.

Sunday: Sunny. Highs 88 to 98.
Impacts - E19 Information
8.5 FeetSome very minor flooding at scattered locations in reach. No flooding in Winnemucca.
9.0 FeetVery minor lowland flooding in reach. No flooding in Winnemucca.
9.5 FeetFlood Stage - Minor lowland flooding throughout reach. No flooding in Winnemucca.
10.0 FeetMinor 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 FeetModerate 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 FeetModerate 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 FeetMajor 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 FeetMajor 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 FeetNear 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.