CNRFC - Hydrology - Observed River/Reservoir Conditions

MARYS RIVER - ABOVE HOT SPRINGS CREEK (MHSN2)

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

Monitor Stage: 5.5 Feet

Flood Stage: 6.0 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
Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months.
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2025*	266	4.33	May 14, 2025
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
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	7.48	Apr 17, 2006
1952*	1,250	6.57	Apr 29, 1952
1983*	1,040	6.79	May 30, 1983
1943*	1,030	7.20	Jan, 1943**
* Discharge affected to unknown degree by regulation or diversion ** Exact date of occurrence is unknown.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (NVZ031)

Tonight: Mostly cloudy. Scattered snow showers in the evening, then isolated snow showers after midnight. Lows 10 to 16. Northeast winds up to 10 mph shifting to the northwest after midnight. Chance of snow 50 percent.

Friday: Partly sunny. Isolated snow showers in the morning. Highs 24 to 32. West winds 5 to 15 mph. Chance of snow 20 percent.

Friday Night: Partly cloudy. Lows 7 to 15. South winds 5 to 10 mph.

Saturday: Not as cold. Mostly sunny. Highs 29 to 39. Southeast winds 5 to 15 mph.

Saturday Night: Partly cloudy. Lows 15 to 23. Southeast winds 5 to 15 mph.

Sunday: Not as cool. Mostly sunny. Highs 36 to 46.

Sunday Night: Mostly cloudy. Lows 21 to 27.

Monday: Partly sunny. Highs 40 to 50.

Monday Night: Mostly cloudy. Scattered rain showers after midnight. Lows 28 to 34. Chance of showers 50 percent.

Tuesday: Numerous rain showers. Light snow accumulations. Highs 40 to 48. Chance of showers 70 percent.

Tuesday Night: Numerous rain showers in the evening, then numerous snow showers and rain showers after midnight. Light snow accumulations. Lows in the lower 30s. Chance of precipitation 70 percent.

Wednesday: Mostly cloudy. Numerous snow showers and rain showers in the morning, then scattered snow showers and rain showers in the afternoon. Moderate snow accumulations. Highs 39 to 47. Chance of precipitation 70 percent.

Wednesday Night: Mostly cloudy with scattered snow showers and rain showers. Lows 25 to 31. Chance of precipitation 50 percent.

Thursday: Partly sunny with scattered snow showers. Highs 41 to 49. Chance of snow 50 percent.

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 1083 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 875 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 691 cfs.
6.0 Feet	Flood stage, about 529 cfs. Minor lowland flooding on lower Marys 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 360 cfs. No flooding occurs within 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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