Yakima River at Umtanum

1. 39.00 ftThis will produce major flooding of residential and commercial areas, highways and pastures from Teanaway downstream to Ellensburg, especially in the town of Thorp.
2. 38.00 ftAt this level, flooding of roads and pastures in the vicinity of the river will occur. The Ellensburg water supply pumphouse is threatened.
3. 36.50 ftThere will be flooding in pastures along the river.
4. 35.50 ftAt this level, there will be minor flooding in areas along the river from Teanaway to Ellensburg including Irene Rienhart Park in Ellensburg.
5. 33.50 ftAt this stage, the river is near bankfull at Ellensburg. Lowland flooding is possible in the low areas along the river.

Most recent crests

• December 11, 2025: 36.89 ft
• February 16, 2016: 35.67 ft
• December 10, 2015: 35.70 ft
• May 16, 2011: 36.50 ft
• January 17, 2011: 36.69 ft
• January 8, 2009: 37.84 ft
• December 30, 1999: 34.44 ft
• February 9, 1996: 38.77 ft
• November 25, 1990: 37.93 ft
• December 3, 1977: 37.63 ft

• UpstreamYakima River at Horlick
• DownstreamYakima River at Parker
• Naches River at Naches
• Ahtanum Creek at Union Gap
• Columbia River at Wanapum Dam
• Naches River at Cliffdell
• Tieton River at Tieton Headworks
• Little Naches River at Nile

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.

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.