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

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MARYS RIVER - ABOVE HOT SPRINGS CREEK (MHSN2)
Latitude: 41.25º NLongitude: 115.26º WElevation: 5504 Feet
Location: Elko County in NevadaBulletin Group: HumboldtRiver Group: Humboldt
Issuance Time: Jul 07 2025 at 6:51 AM PDTNext Issuance: Jul 08 2025 at 9:00 AM PDT
Action/Monitor: 5.5 FeetMinor Flood: 6.0 FeetModerate Flood: 7.5 FeetMajor Flood: 9.0 Feet

Marys River - Above Hot Springs Creek (MHSN2)River Forecast Plot

Combination chart with 4 data series.
Forecast Posted: 07/07/2025 at 6:49 AM PDT ● Graphic Created: 07/07/2025 at 6:51 AM PDT
The chart has 1 X axis displaying Time. Range: 2025-07-02 13:00:00 to 2025-07-12 13:00:00.
The chart has 2 Y axes displaying Precipitation (In.) and Precipitation (In.).
End of interactive chart.

Chart

Combination chart with 7 data series.
The chart has 1 X axis displaying Observation / Forecast Time (Pacific Local Time). Range: 2025-07-02 06:00:00 to 2025-07-12 06:00:00.
The chart has 2 Y axes displaying Stage (Feet) and Flow (Cubic Feet per Second).
End of interactive chart.
Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (USGS) Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
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
ESRI™ Locator Map
Flood Impacts
9.0 FeetMajor 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 FeetModerate 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 FeetModerate 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 FeetMinor 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 FeetFlood 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 FeetThis is monitoring stage or about 365 cfs. No flooding occurs within the reach.
Official 7 Day National Weather Service Forecast   (NVZ031)
rest of Tonight: Clear. Lows 53 to 59. East winds up to 10 mph.

Tuesday: Sunny. Highs 85 to 93. South winds 5 to 10 mph shifting to the southwest 10 to 20 mph in the afternoon.

Tuesday Night: Mostly clear. Lows in the upper 50s. Southwest winds up to 15 mph.

Wednesday: Breezy, sunny. Highs 81 to 91. Southwest winds up to 10 mph increasing to 15 to 25 mph in the afternoon.

Wednesday Night: Breezy. Mostly clear. Lows 50 to 56. West winds 15 to 25 mph becoming northwest 5 to 10 mph after midnight.

Thursday: Sunny. Highs 77 to 85.

Thursday Night: Mostly clear. Lows 49 to 55.

Friday: Sunny. Highs 79 to 87.

Friday Night: Clear. Lows 51 to 57.

Saturday: Sunny. Highs 84 to 92.

Saturday Night: Mostly clear. Lows 54 to 60.

Sunday: Sunny. Highs 87 to 95.

Sunday Night: Clear. Lows in the upper 50s.

Monday: Sunny. Highs 88 to 96.
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.