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North Fork Big Wood River near Ketchum

Highest listed crest 7.48 ftFlood stage 7.3 ft11 crests since 2012

The North Fork Big Wood River near Ketchum crested above flood stage 2 times among the 11 crests the National Weather Service lists from 2012 to 2022. The highest, 7.48 ft on June 8, 2017, was minor flooding, 0.18 feet above flood stage.

The gauge

Highest listed crest
7.48 ft
June 8, 2017; 1,270 cubic feet per second
Flood stage
7.3 ft
No major stage set
Crests at major
0
2 above flood stage
Most recent flood crest
June 12, 2022
7.32 ft, minor flooding
Location
Blaine County
Idaho

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, North Fork Big Wood River near Ketchum
Action stage6.82Jun 7, 2019The level at which the NWS or its partners begin to take action
Flood stage (minor)7.32Jun 12, 2022Minimal or no property damage, but possibly some public threat

Every listed crest

11 crests from 2012 to 2022. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the North Fork Big Wood River near Ketchum, 2012 to 2022 66.577.5ft Flood stage 7.3 ft Jun 4, 2012: 6.98 ft, action stage; 855 cubic feet per secondJun 9, 2013: 6.49 ft, below flood stage; 412 cubic feet per secondMay 25, 2014: 6.24 ft, below flood stage; 275 cubic feet per secondJun 8, 2015: 6.13 ft, below flood stage; 245 cubic feet per secondJun 5, 2016: 6.74 ft, below flood stage; 604 cubic feet per secondJun 8, 2017: 7.48 ft, minor flooding; 1,270 cubic feet per secondMay 25, 2018: 6.70 ft, below flood stage; 500 cubic feet per secondJun 7, 2019: 7.01 ft, action stage; 735 cubic feet per secondMay 30, 2020: 6.74 ft, below flood stage; 517 cubic feet per secondJun 4, 2021: 6.28 ft, below flood stage; 264 cubic feet per secondJun 12, 2022: 7.32 ft, minor flooding; 1,060 cubic feet per second Highest, 7.48 ft, Jun 8, 2017 20152020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, North Fork Big Wood River near Ketchum 2010s: 1 1 2020s: 1 2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, North Fork Big Wood River near Ketchum
1Jun 8, 20177.48+0.18Minor1,270
2Jun 12, 20227.32+0.02Minor1,060
3Jun 7, 20197.01−0.29Action735
4Jun 4, 20126.98−0.32Action855
5Jun 5, 20166.74−0.56Below flood stage604
6May 30, 20206.74−0.56Below flood stage517
7May 25, 20186.70−0.60Below flood stage500
8Jun 9, 20136.49−0.81Below flood stage412
9Jun 4, 20216.28−1.02Below flood stage264
10May 25, 20146.24−1.06Below flood stage275
11Jun 8, 20156.13−1.17Below flood stage245

Other gauges in Blaine County

Flood gauges in Blaine County
Hailey6.08.36 ft, May 7, 20171
Magic Dam9.015.68 ft, Apr 26, 19520
Ketchum8.09.89 ft, May 7, 20170
Gimlet8.48.62 ft, Jun 5, 20170
High 5 Creek5.48.22 ft, Mar 22, 20180
Carey5.88.95 ft, Apr 27, 19520
Picabo8.39.36 ft, Apr 6, 20060
Ketchum7.07.83 ft, Jun 8, 20170
Ketchum12.213.68 ft, May 7, 20170

Blaine County: every hazard · River floods across the country · Idaho

NOAA National Water Prediction Service, gauge NFBI1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.