Rivers in Alaska
Middle Fork Koyukuk River near Wiseman
Below flood stage
5.98ftStage
Observed Wed, Sep 30, 10:01 PM UTC
- Flood stage
- 11.50 ft
- Forecast crest
- 6.01 ftThu, Oct 1, 12:00 AM UTC
- Record crest
- 13.49 ft2026
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 14.00 ft |
| Moderate flood | 12.50 ft |
| Minor flood | 11.50 ft |
| Action | 10.50 ft |
- 12.50 ftFlood waters starts encroaching on Wiseman properties and roads. "Hunting Camp" hangar and building at S end of runway have water around or in them. Some cabins/homes N of Wiseman Creek have water to doorsteps.
- 11.50 ftSpur road off Dalton Hwy to Wiseman begins to flood.
Crest history
12 crests on NOAA’s list since 2003.
| # | Date | Stage |
|---|---|---|
| 1 | June 16, 2026 | 13.49 ft |
| 2 | August 26, 2025 | 12.85 ft |
| 3 | May 16, 2005 | 11.77 ft |
| 4 | August 28, 2023 | 11.50 ft |
| 5 | August 27, 2015 | 10.75 ft |
| 6 | August 19, 2024 | 10.57 ft |
| 7 | May 25, 2004 | 10.27 ft |
| 8 | August 17, 2003 | 10.05 ft |
| 9 | May 22, 2006 | 10.05 ft |
| 10 | June 2, 2022 | 9.45 ft |
| 11 | June 5, 2008 | 9.45 ft |
| 12 | April 22, 2007 | 8.90 ft |
Most recent crests
- June 16, 2026: 13.49 ft
- August 26, 2025: 12.85 ft
- August 19, 2024: 10.57 ft
- August 28, 2023: 11.50 ft
- June 2, 2022: 9.45 ft
- August 27, 2015: 10.75 ft
- June 5, 2008: 9.45 ft
- April 22, 2007: 8.90 ft
- May 22, 2006: 10.05 ft
- May 16, 2005: 11.77 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. Gage data do not meet the quality standards of USGS gages. Stage may be affected by ice.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.