Yellowstone River Utah near Altonah, UT
River level and flood forecast · Duchesne County
The river is 2.1 ft below flood stage (4.7 ft).
Forecast to fall to 1.2 ft by Mon, Oct 19, 6 AM.
Flow: 728 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:32 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Yellowstone River Utah near Altonah to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 5.2 ft |
| Moderate flood stage | 4.9 ft |
| Flood stage | 4.7 ft |
| Action stage | 4.3 ft |
| Record crest (June 11, 1990) | 4.93 ft |
What floods at each level
From the National Weather Service, highest first.
- 5.2 ftMajor flooding will occur at 5.20 ft on Yellowstone River. Structures adjacent to the river will receive damage.
- 4.9 ftModerate flooding will occur at 4.90 ft on Yellowstone River. Structures adjacent to the river will receive damage.
- 4.7 ftMinor flooding will occur at 4.70 ft on Yellowstone River. Structures adjacent to the river will receive damage.
Highest crests on record
- 4.93 ft — June 11, 1990
- 4.55 ft — June 19, 1949
- 4.5 ft — June 20, 1999
- 4.34 ft — June 5, 1986
- 4.24 ft — June 19, 1983
Recent crests: 3.46 ft (May 27, 2003) · 3.36 ft (May 26, 2001) · 4.5 ft (June 20, 1999) · 3.74 ft (June 27, 1998) · 4.22 ft (June 28, 1995)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (YLLU1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.