Rivers in Alaska

Yukon River at Ruby

Yukon-Koyukuk County, AlaskaNWS RBYA2USGS 15564800Fairbanks office

Below flood stage
24.06ftStage

Observed Sun, Sep 20, 5:21 PM UTC

Flood stage
40.00 ft
Record crest
43.40 ft2026

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Minor flood40.00 ft
Action29.00 ft

Crest history

62 crests on NOAA’s list since 1957.

#DateStage
1May 14, 202643.40 ft
2May 12, 201041.40 ft
3May 22, 202338.73 ft
4May 20, 197138.50 ft
5May 20, 196337.91 ft
6May 9, 199137.61 ft
7June 13, 199236.83 ft
8May 21, 196636.10 ft
9May 17, 196835.45 ft
10June 20, 196435.40 ft
11June 9, 196234.44 ft
12May 20, 197234.20 ft
13May 9, 199432.61 ft
14June 3, 195732.40 ft
15May 17, 198931.54 ft
16May 14, 200931.47 ft
17May 8, 199031.05 ft
18June 11, 197230.47 ft
19June 10, 196830.30 ft
20June 13, 196729.84 ft
21May 7, 199329.74 ft
22June 5, 196529.60 ft
23May 22, 200529.54 ft
24May 28, 197329.50 ft
25June 10, 197729.06 ft

Most recent crests

  • May 14, 2026: 43.40 ft
  • June 5, 2025: 28.10 ft
  • May 13, 2024: 27.16 ft
  • May 22, 2023: 38.73 ft
  • June 8, 2022: 28.29 ft
  • May 17, 2021: 23.27 ft
  • July 1, 2020: 28.41 ft
  • May 31, 2018: 26.49 ft
  • May 24, 2017: 24.26 ft
  • August 25, 2016: 25.98 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Alaska Pacific River Forecast Center. Forecasts are not available. Only observed stages are available for this point. Stage data may not be available during winter months. Stage measured manually and reported by river observer. No automated gauge on-site.

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.