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South Fork Boise River at Pine (near Featherville)

Highest listed crest 8.24 ftFlood stage 7.2 ft20 crests since 1983

The South Fork Boise River at Pine (near Featherville) crested above flood stage 7 times among the 20 crests the National Weather Service lists from 1983 to 2025. The highest, 8.24 ft on May 7, 2017, was minor flooding, 1.04 feet above flood stage.

The gauge

Highest listed crest
8.24 ft
May 7, 2017; 10,900 cubic feet per second
Flood stage
7.2 ft
No major stage set
Crests at major
0
7 above flood stage
Most recent flood crest
May 7, 2017
8.24 ft, minor flooding
Location
Elmore County
Idaho

Flood stages

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

Flood categories, South Fork Boise River at Pine (near Featherville)
Action stage6.02May 23, 2023The level at which the NWS or its partners begin to take action
Flood stage (minor)7.27May 7, 2017Minimal or no property damage, but possibly some public threat

Every listed crest

20 crests from 1983 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the South Fork Boise River at Pine (near Featherville), 1983 to 2025 246810ft Flood stage 7.2 ft Mar 30, 1983: 7.87 ft, minor flooding; 7,960 cubic feet per secondMay 15, 1984: 7.20 ft, minor flooding; 6,790 cubic feet per secondMay 17, 1996: 7.32 ft, minor flooding; 7,140 cubic feet per secondMay 17, 1997: 7.74 ft, minor flooding; 8,030 cubic feet per secondMay 21, 2006: 7.79 ft, minor flooding; 8,150 cubic feet per secondJun 16, 2011: 6.33 ft, action stage; 5,550 cubic feet per secondApr 27, 2012: 7.69 ft, minor flooding; 8,620 cubic feet per secondMay 14, 2013: 4.96 ft, below flood stage; 2,770 cubic feet per secondMay 28, 2014: 5.38 ft, below flood stage; 3,510 cubic feet per secondJun 1, 2015: 4.08 ft, below flood stage; 2,010 cubic feet per secondApr 13, 2016: 5.45 ft, below flood stage; 3,760 cubic feet per secondMay 7, 2017: 8.24 ft, minor flooding; 10,900 cubic feet per secondMay 26, 2018: 5.06 ft, below flood stage; 3,660 cubic feet per secondJun 7, 2019: 5.50 ft, below flood stage; 4,570 cubic feet per secondMay 31, 2020: 4.46 ft, below flood stage; 2,850 cubic feet per secondJun 4, 2021: 3.70 ft, below flood stage; 1,830 cubic feet per secondJun 13, 2022: 5.19 ft, below flood stage; 3,910 cubic feet per secondMay 23, 2023: 6.97 ft, action stage; 7,550 cubic feet per secondJun 4, 2024: 4.81 ft, below flood stage; 3,300 cubic feet per secondMay 12, 2025: 5.32 ft, below flood stage; 4,030 cubic feet per second Highest, 8.24 ft, May 7, 2017 1990200020102020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, South Fork Boise River at Pine (near Featherville) 1980s: 2 2 1990s: 2 2000s: 1 2010s: 2 2020s: 0 1980s1990s2000s2010s2020s
  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, South Fork Boise River at Pine (near Featherville)
1May 7, 20178.24+1.04Minor10,900
2Mar 30, 19837.87+0.67Minor7,960
3May 21, 20067.79+0.59Minor8,150
4May 17, 19977.74+0.54Minor8,030
5Apr 27, 20127.69+0.49Minor8,620
6May 17, 19967.32+0.12Minor7,140
7May 15, 19847.200.00Minor6,790
8May 23, 20236.97−0.23Action7,550
9Jun 16, 20116.33−0.87Action5,550
10Jun 7, 20195.50−1.70Below flood stage4,570
11Apr 13, 20165.45−1.75Below flood stage3,760
12May 28, 20145.38−1.82Below flood stage3,510
13May 12, 20255.32−1.88Below flood stage4,030
14Jun 13, 20225.19−2.01Below flood stage3,910
15May 26, 20185.06−2.14Below flood stage3,660
16May 14, 20134.96−2.24Below flood stage2,770
17Jun 4, 20244.81−2.39Below flood stage3,300
18May 31, 20204.46−2.74Below flood stage2,850
19Jun 1, 20154.08−3.12Below flood stage2,010
20Jun 4, 20213.70−3.50Below flood stage1,830

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

NOAA National Water Prediction Service, gauge BRFI1, 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.