River stage
Umtanum, Yakima River
- River level
- 30.92 ft
- Status
- Below flood stage
- 7-day change
- +0.11 ft
- Recent high
- 32.66 ft
- Recent low
- 30.81 ft
Last reported 2026-10-13 | NWS UMTW1
- 30-day change
- -0.84 ft
- Average
- 32.01 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 41.10 ft
In brief
The Yakima River at Umtanum, WA read 30.92 ft on Oct 13, 2026, 2.58 ft below action stage. That is 0.84 ft lower than 30 days earlier.
Source: National Weather Service gauge UMTW1
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 41.10 ft | 1906-11-15 |
| 2 | 38.98 ft | 1948-05-29 |
| 3 | 38.77 ft | 1996-02-09 |
| 4 | 37.93 ft | 1990-11-25 |
| 5 | 37.84 ft | 2009-01-08 |
| 6 | 37.63 ft | 1977-12-03 |
| 7 | 37.08 ft | 1959-11-23 |
| 8 | 36.89 ft | 2025-12-11 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 33.50 ft
At this stage, the river is near bankfull at Ellensburg. Lowland flooding is possible in the low areas along the river.
- 35.50 ft
At this level, there will be minor flooding in areas along the river from Teanaway to Ellensburg including Irene Rienhart Park in Ellensburg.
- 36.50 ft
There will be flooding in pastures along the river.
- 38.00 ft
At this level, flooding of roads and pastures in the vicinity of the river will occur. The Ellensburg water supply pumphouse is threatened.
- 39.00 ft
This will produce major flooding of residential and commercial areas, highways and pastures from Teanaway downstream to Ellensburg, especially in the town of Thorp.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Yakima River flooding at Umtanum?
No. The Yakima River at Umtanum is at 30.92 ft, 2.58 ft below action stage.
What is the flood stage at Umtanum?
The National Weather Service sets action stage 33.5 ft, minor flooding 35.5 ft, moderate flooding 38 ft and major flooding 39 ft.
What is the highest the Yakima River has been at Umtanum?
The highest crest on record is 41.1 ft, on 1906-11-15.
Is the Yakima River high or low right now at Umtanum?
At 30.92 ft it is higher than 8% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge UMTW1); daily history from the U.S. Geological Survey (site 12484500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.