Koyukuk River near Bettles

Last updated: Jun 25, 2025, 9:53 PM UTC
No watches, warnings or advisories are in effect for this area.

Gauge Info

Coordinates 66.9261, -151.509
RFC APRFC
State AK
WFO AFG
County Yukon-Koyukuk
Data Provider(s)
National Weather Service Alaska-Pacific River Forecast Center

Gauge Location

Recent Crests

1. 19.74 ft on 08-02-2021
2. 18.34 ft on 05-27-2020
3. 20.14 ft on 05-25-2019
4. 18.71 ft on 06-24-2018
5. 19.98 ft on 09-15-2017

Historic Crests

1. 23.04 ft on 05-14-2011
2. 22.45 ft on 05-28-1998
3. 21.69 ft on 05-14-1996
4. 21.58 ft on 06-07-1993
5. 21.41 ft on 07-16-2014

Vertical Datum Table

type STND NAVD88 NGVD29
major Flooding 37.00 ft648.74 ft647.00 ft
moderate Flooding 35.00 ft646.74 ft645.00 ft
minor Flooding 33.00 ft644.74 ft643.00 ft
action 24.00 ft635.74 ft634.00 ft
Latest Value N/A
Gauge Zero 0.00 ft611.74 ft610.00 ft

Gauge Photos

Photo 1 of 3

Gage

Probability Information

Photo 1 of 2

Unique Local Info

Long-term Hydrograph

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Fairbanks
UAF-IARC Bldg. P.O. Box 757345
Fairbanks, AK 99775-7345
Official Homepage