Owyhee River near Mountain City

1. 10.00 ftMajor flooding along the river channel, affecting businesses on the west side of Nevada State highway 225 in Mountain City. Impacts to highway 225 possible along the reach from Allegheny Creek south of Mountain City to Owyhee.
2. 9.00 ftModerate flooding occurs along the river channel. River embankment erosion occurs. Rodeo grounds are flooded. Low-lying hay fields and pasture flooding occurs. Businesses located along the river in Mountain City experience water seepage. Water has to be pumped from the Visitor Center. River level is nearing the road level of Nevada State Highway 225 between Mountain City and Owyhee. Access to Pleasant Valley is impacted.
3. 8.00 ftMinor flooding along the river channel.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 22, 2026.

Most recent crests

• May 30, 2019: 8.48 ft
• February 9, 2017: 9.38 ft
• April 19, 2011: 9.18 ft
• May 1, 2006: 9.14 ft
• May 16, 2005: 9.07 ft
• May 16, 1998: 7.89 ft
• March 17, 1993: 9.81 ft

• UpstreamOwyhee River at Wildhorse
• DownstreamEast Fork Owyhee River at Crutcher Crossing
• Owyhee River at Wildhorse Dam
• Bruneau River at Rowland
• Jarbidge River at Jarbidge
• East Fork Jarbidge River at Three Creek
• Beaver Creek at Halleck
• Hanks Creek at Mary's River
• Big Jacks Creek at Grasmere

Forecasts by the Northwest River Forecast Center. Forecasts are not available. Only observed stages are available for this point.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.