CNRFC - Hydrology - Observed River/Reservoir Conditions

Start of River Group

MARYS RIVER - ABOVE HOT SPRINGS CREEK (MHSN2)

Latitude: 41.25º N	Longitude: 115.26º W	Elevation: 5504 Feet
Location: Elko County in Nevada		Bulletin Group: Humboldt		River Group: Humboldt

Action/Monitor: 5.5 Feet

Minor Flood: 6.0 Feet

Moderate Flood: 7.5 Feet

Major Flood: 9.0 Feet

Plot Type:

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View US Geological Survey (USGS) Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2024*	547	5.91	Apr 28, 2024
2023*	849	7.30	May 5, 2023
2022*	179	4.38	May 30, 2022
2021*	91	3.86	May 23, 2021
2020*	329	5.24	May 4, 2020
Historical High Stage/Flow Events (Period of Record - Oct 1943-Sep 1980 and Oct 1981 to Present) - Ranked by Flow
1962*	4,210	7.63	Feb 12, 1962
1984*	2,110	8.39	May 15, 1984
2006*	1,330	3.24	Apr 17, 2006
1952*	1,250	6.57	Apr 29, 1952
* Discharge affected to unknown degree by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
9.0 Feet	Major flooding occurs on the marys river with many homes in deeth damaged. Transportation and communication are severely disrupted. Major damage to roads, railroads, and structures occurs, with water over a foot deep on some roads and railroads. Severe erosion and sediment deposition occurs. This is similar to the flood of february 12, 1962.
8.4 Feet	Moderate to major flooding occurs on the lower marys river with significant damage to roads, railroads, and structures. Cattle can be mired or drowned. Much of deeth's roads and structures are flooded. This is about 2060 cfs or similar to the flood of may 15, 1984.
7.6 Feet	Moderate flooding occurs on lower marys river, with damage to roads, railroads, and structures. Cattle can be mired or drowned. Streets and homes in deeth flood. This is about 1230 cfs or similar to the flood of may 20, 2005.
6.8 Feet	Minor to moderate lowland flooding occurs on lower mary's river, with flooding of many rural roads near the river. Some streets in deeth flood, as well as basements and foundations of a few homes. This is about 800 cfs.
6.0 Feet	Flood stage, about 580 cfs. Minor lowland flooding on lower mary's river, with minor flooding of rural roads throughout area. Some minor flooding of streets in deeth.
5.0 Feet	This is monitoring stage or about 365 cfs. No flooding occurs within the reach.

Official 7 Day National Weather Service Forecast (NVZ031)

rest of Today: Windy. Mostly sunny with isolated rain showers. Patchy blowing dust. Highs 57 to 71. West winds 15 to 30 mph. Chance of showers 20 percent.

Tonight: Breezy. Mostly cloudy. Scattered snow showers and isolated rain showers in the evening, then scattered snow showers and rain showers after midnight. Lows in the mid 30s. Northwest winds 15 to 25 mph with gusts to around 40 mph decreasing to 5 to 15 mph after midnight. Chance of precipitation 50 percent.

Tuesday: Cooler. Scattered rain showers and snow showers in the morning, then numerous rain showers, snow showers and scattered thunderstorms in the afternoon. Snow accumulation up to 4 inches. Snow level 6300 feet. Highs 45 to 53. Northwest winds 5 to 15 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation 70 percent.

Tuesday Night: Numerous rain showers, snow showers and scattered thunderstorms in the evening, then scattered rain showers and snow showers after midnight. Light snow accumulations. Snow level 6600 feet. Lows in the lower 30s. Northwest winds 5 to 20 mph. Chance of precipitation 70 percent.

Wednesday: Breezy. Mostly cloudy. Numerous rain showers and snow showers in the morning, then scattered rain showers in the afternoon. Highs 48 to 56. Northwest winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Chance of precipitation 70 percent.

Wednesday Night: Partly cloudy. Lows in the lower 30s.

Thursday: Not as cool. Mostly sunny. Highs 55 to 63.

Thursday Night: Mostly cloudy. Lows in the upper 30s.

Friday: Mostly cloudy. Highs 54 to 62.

Friday Night: Mostly cloudy. Lows in the upper 30s.

Saturday: Scattered rain showers in the morning, then numerous rain showers in the afternoon. Highs 55 to 63. Chance of showers 70 percent.

Saturday Night: Mostly cloudy. Numerous rain showers in the evening, then scattered rain showers after midnight. Light snow accumulations. Lows in the upper 30s. Chance of showers 70 percent.

Sunday: Breezy. Partly sunny. Scattered rain showers and snow showers in the morning, then scattered rain showers in the afternoon. Highs 49 to 57. Chance of precipitation 50 percent.

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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