Iliamna River near Pedro Bay, AK
River level and flood forecast · Lake and Peninsula County
The river is 12.0 ft below flood stage (71 ft).
Forecast to fall to 58.1 ft by Thu, Oct 15, 6 AM.
Flow: 1,380 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:31 PM. Forecasts change as rain falls and as upstream water arrives.
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An email when the National Weather Service forecasts Iliamna River near Pedro Bay to flood, when it floods, and when it's over.
Flood stages
| Moderate flood stage | 75 ft |
| Flood stage | 71 ft |
| Action stage | 64 ft |
| Record crest (October 1, 2003) | 78.42 ft |
What floods at each level
From the National Weather Service, highest first.
- 64 ftAt this level, water begins to flow over the Pile Bay-Williamsport road.
Highest crests on record
- 78.42 ft — October 1, 2003
- 71.82 ft — June 8, 1998
- 71.53 ft — September 21, 2016
- 71.16 ft — September 18, 1999
- 70.93 ft — November 6, 2002
Recent crests: 71.53 ft (September 21, 2016) · 66.33 ft (July 7, 2015) · 70.48 ft (October 13, 2013) · 68.07 ft (August 7, 2013) · 69.99 ft (September 22, 2012)
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ILRA2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.