Yellowstone River near Altonah, UT
Is Yellowstone River near Altonah, UT flooding right now?
Yellowstone River near Altonah, UT measured 1.16 ft on 2026-09-11 01:00:00 UTC. That observation was 3.5 ft below its 4.7 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
1.16 ft
Streamflow
95 cfs
Minor flooding here begins at 4.7 ft, with major flooding at 5.2 ft. The highest crest on record was 4.93 ft on Mon, Jun 11, 1990.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 4.3 ft | 3.1 ft below |
| Minor flood | 4.7 ft | 3.5 ft below |
| Moderate flood | 4.9 ft | 3.7 ft below |
| Major flood | 5.2 ft | 4.0 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 4.93 ft | 1990-06-11 |
| 4.55 ft | 1949-06-19 |
| 4.5 ft | 1999-06-20 |
| 4.34 ft | 1986-06-05 |
| 4.24 ft | 1983-06-19 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Yellowstone River @ Bridge Cmpgrnd near Altonah, UT | 2.4 mi | Duchesne County |
| Lake Fork River below Moon Lake near Mountain Home, UT | 8.1 mi | Duchesne County |
| Lake Fork River above Moon Lake, near Mountain Home, UT | 11.3 mi | Duchesne County |
| Rock Creek near Mountain Home, UT | 12.4 mi | Duchesne County |
| Uinta River below Powerplant Diversion, near Neola, UT | 13.1 mi | Duchesne County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.