Rivers in Alaska

Kuskokwim River at McGrath

Yukon-Koyukuk County, AlaskaNWS MCGA2USGS 15303600Fairbanks office

Below flood stage
16.96ftStage

Observed Tue, Sep 22, 3:00 PM UTC

Flood stage
21.00 ft
Forecast crest
17.03 ftTue, Sep 22, 6:00 PM UTC
Record crest
26.50 ft1972

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood27.00 ft
Moderate flood23.50 ft
Minor flood21.00 ft
Action19.50 ft
  1. 27.00 ftMajor flood stage
  2. 23.50 ftModerate flood stage
  3. 22.00 ftSouth end of runway 16/34 floods.
  4. 21.00 ftMinor flood stage.
  5. 20.00 ftDNR Road near the softball field floods.
  6. 19.50 ftAction stage.
  7. 17.50 ftRoad to Sand Island near end of runway 16/34 is inundated.

Crest history

53 crests on NOAA’s list since 1963.

#DateStage
1May 18, 197226.50 ft
2June 2, 196426.02 ft
3May 9, 197625.70 ft
4August 28, 196324.60 ft
5May 14, 200224.55 ft
6May 6, 199123.76 ft
7May 12, 197523.23 ft
8August 22, 196722.83 ft
9May 2, 199022.82 ft
10June 2, 198522.74 ft
11May 14, 199922.21 ft
12May 11, 199622.10 ft
13May 14, 196822.04 ft
14May 24, 197121.40 ft
15May 22, 197221.40 ft
16May 12, 196620.90 ft
17May 14, 202320.65 ft
18May 15, 196819.85 ft
19May 6, 200919.70 ft
20May 6, 200019.69 ft
21May 3, 200519.59 ft
22July 30, 200319.52 ft
23May 6, 201119.51 ft
24August 14, 198919.30 ft
25May 10, 197319.20 ft

Most recent crests

  • April 24, 2025: 18.22 ft
  • August 21, 2024: 17.82 ft
  • May 1, 2024: 18.22 ft
  • May 18, 2023: 18.50 ft
  • May 14, 2023: 20.65 ft
  • May 4, 2021: 15.90 ft
  • July 9, 2016: 16.48 ft
  • July 13, 2015: 11.50 ft
  • July 3, 2014: 14.91 ft
  • May 25, 2013: 16.14 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Alaska Pacific River Forecast Center. Forecasts are issued routinely during the warm season, and as needed at other times of the year. Stage may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.