Kuskokwim River at McGrath, AK
River level and flood forecast · Yukon-Koyukuk County
The river is 10.1 ft below flood stage (21 ft).
Flow: 21,800 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Oct 11, 10:12 PM. Forecasts change as rain falls and as upstream water arrives.
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An email when the National Weather Service forecasts Kuskokwim River at McGrath to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 27 ft |
| Moderate flood stage | 23.5 ft |
| Flood stage | 21 ft |
| Action stage | 19.5 ft |
| Record crest (May 18, 1972) | 26.5 ft |
What floods at each level
From the National Weather Service, highest first.
- 27 ftMajor flood stage
- 23.5 ftModerate flood stage
- 22 ftSouth end of runway 16/34 floods.
- 21 ftMinor flood stage.
- 20 ftDNR Road near the softball field floods.
- 19.5 ftAction stage.
- 17.5 ftRoad to Sand Island near end of runway 16/34 is inundated.
Highest crests on record
- 26.5 ft — May 18, 1972
- 26.02 ft — June 2, 1964
- 25.7 ft — May 9, 1976
- 24.6 ft — August 28, 1963
- 24.55 ft — May 14, 2002
Recent crests: 18.22 ft (April 24, 2025) · 17.82 ft (August 21, 2024) · 18.22 ft (May 1, 2024) · 18.5 ft (May 18, 2023) · 20.65 ft (May 14, 2023)
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MCGA2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.