Yellowstone River at Yellowstone Lake Outlet YNP
Is Yellowstone River at Yellowstone Lake Outlet YNP flooding right now?
Yellowstone River at Yellowstone Lake Outlet YNP measured 3.38 ft on 2026-09-11 01:30:00 UTC. That observation was 5.6 ft below its 9 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
3.38 ft
Streamflow
944 cfs
Minor flooding here begins at 9 ft, with major flooding at 11 ft. The highest crest on record was 8.9 ft on Wed, Jun 18, 1997.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 8 ft | 4.6 ft below |
| Minor flood | 9 ft | 5.6 ft below |
| Moderate flood | 10 ft | 6.6 ft below |
| Major flood | 11 ft | 7.6 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 8.9 ft | 1997-06-18 |
| 8.74 ft | 2011-07-11 |
| 8.25 ft | 1996-06-28 |
| 8.2 ft | 1974-06-28 |
| 7.95 ft | 1971-06-28 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Jones Creek at Mouth, near Pahaska, WY | 19.4 mi | Park County |
| Tantalus Creek at Norris Junction, YNP | 20.0 mi | Park County |
| Crow Creek at Mouth, at Pahaska, WY | 20.3 mi | Park County |
| Gibbon River near West Yellowstone MT | 20.7 mi | Teton County |
| Firehole River at Old Faithful, YNP | 23.0 mi | Teton 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.