Eastern Idaho Reservoirs at Henrys Lake, ID
River level and flood forecast · Fremont County
Normal2.8 ftas of Mon 9:30 PM
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Eastern Idaho Reservoirs at Henrys Lake to flood, when it floods, and when it's over.
Flood stages
| Action stage | 16.61 ft |
| Record crest (May 30, 1981) | 17 ft |
What floods at each level
From the National Weather Service, highest first.
- 16.61 ft100 Percent Full WITH Boards
- 15.09 ft100 Percent Full WITHOUT Boards
Highest crests on record
- 17 ft — May 30, 1981
Recent crests: 17 ft (May 30, 1981)
Up and down the river, and nearby
- DownstreamHenrys Fork near Lake, ID
- Henrys Fork near Island Park, ID
- Red Rock Creek above Lakes near Lakeview, MT
- Madison River near West Yellowstone, MT
- Madison River near Grayling, MT
- Madison River at Kirby Ranch near Cameron, MT
- Firehole River near West Yellowstone MT, WY
- Gibbon River at Madison Junction, WY
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HLKI1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.