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Teton River near Choteau below South Fork

Highest listed crest 9.25 ftFlood stage 9.0 ft27 crests since 1948

The Teton River near Choteau below South Fork crested above flood stage 1 time among the 27 crests the National Weather Service lists from 1948 to 2019. The highest, 9.25 ft on June 19, 2018, was minor flooding, 0.25 feet above flood stage. 1 other gauge on the Teton River crested above flood stage within a week of it.

The gauge

Highest listed crest
9.25 ft
June 19, 2018
Flood stage
9.0 ft
No major stage set
Crests at major
0
1 above flood stage
Most recent flood crest
June 19, 2018
9.25 ft, minor flooding
Location
Teton County
Montana

Flood stages

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

Flood categories, Teton River near Choteau below South Fork
Action stage7.50—The level at which the NWS or its partners begin to take action
Flood stage (minor)9.01Jun 19, 2018Minimal or no property damage, but possibly some public threat

Every listed crest

27 crests from 1948 to 2019. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Teton River near Choteau below South Fork, 1948 to 2019 46810ft Flood stage 9.0 ft Jun 3, 1948: 5.32 ft, below flood stage; 2,780 cubic feet per secondFeb 18, 1949: 6.41 ft, below flood stageMay 30, 1949: 4.92 ft, below flood stage; 515 cubic feet per secondJan 6, 1950: 7.34 ft, below flood stageJun 21, 1950: 6.02 ft, below flood stage; 1,570 cubic feet per secondJun 15, 1951: 5.72 ft, below flood stage; 1,230 cubic feet per secondJan 8, 1952: 6.41 ft, below flood stageMay 20, 1952: 4.73 ft, below flood stage; 493 cubic feet per secondJun 3, 1953: 6.87 ft, below flood stage; 2,400 cubic feet per secondMay 20, 1954: 5.31 ft, below flood stage; 1,210 cubic feet per secondJun 18, 1998: 5.21 ft, below flood stage; 608 cubic feet per secondJun 5, 1999: 5.35 ft, below flood stage; 657 cubic feet per secondJun 9, 2000: 4.97 ft, below flood stage; 357 cubic feet per secondJun 4, 2001: 5.22 ft, below flood stage; 525 cubic feet per secondJun 17, 2002: 5.78 ft, below flood stage; 1,280 cubic feet per secondMay 30, 2003: 5.21 ft, below flood stage; 608 cubic feet per secondJun 6, 2004: 4.87 ft, below flood stage; 379 cubic feet per secondJun 4, 2005: 5.13 ft, below flood stage; 547 cubic feet per secondMay 20, 2006: 5.11 ft, below flood stage; 533 cubic feet per secondJun 5, 2007: 4.89 ft, below flood stage; 385 cubic feet per secondMay 26, 2008: 7.11 ft, below flood stage; 3,200 cubic feet per secondMay 31, 2009: 5.77 ft, below flood stage; 988 cubic feet per secondJun 21, 2010: 5.30 ft, below flood stage; 431 cubic feet per secondJun 7, 2011: 7.23 ft, below flood stage; 1,900 cubic feet per secondJun 6, 2012: 5.86 ft, below flood stage; 748 cubic feet per secondJun 19, 2018: 9.25 ft, minor floodingMay 26, 2019: 7.32 ft, below flood stage; 3,600 cubic feet per second Highest, 9.25 ft, Jun 19, 2018 19501960197019801990200020102020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Teton River near Choteau below South Fork 1940s: 0 1950s: 0 1960s: 0 1970s: 0 1980s: 0 1990s: 0 2000s: 0 2010s: 1 1 1940s1950s1960s1970s1980s1990s2000s2010s
  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, Teton River near Choteau below South Fork
1Jun 19, 20189.25+0.25Minor—
2Jan 6, 19507.34−1.66Below flood stage—
3May 26, 20197.32−1.68Below flood stage3,600
4Jun 7, 20117.23−1.77Below flood stage1,900
5May 26, 20087.11−1.89Below flood stage3,200
6Jun 3, 19536.87−2.13Below flood stage2,400
7Feb 18, 19496.41−2.59Below flood stage—
8Jan 8, 19526.41−2.59Below flood stage—
9Jun 21, 19506.02−2.98Below flood stage1,570
10Jun 6, 20125.86−3.14Below flood stage748
11Jun 17, 20025.78−3.22Below flood stage1,280
12May 31, 20095.77−3.23Below flood stage988
13Jun 15, 19515.72−3.28Below flood stage1,230
14Jun 5, 19995.35−3.65Below flood stage657
15Jun 3, 19485.32−3.68Below flood stage2,780
16May 20, 19545.31−3.69Below flood stage1,210
17Jun 21, 20105.30−3.70Below flood stage431
18Jun 4, 20015.22−3.78Below flood stage525
19Jun 18, 19985.21−3.79Below flood stage608
20May 30, 20035.21−3.79Below flood stage608
21Jun 4, 20055.13−3.87Below flood stage547
22May 20, 20065.11−3.89Below flood stage533
23Jun 9, 20004.97−4.03Below flood stage357
24May 30, 19494.92−4.08Below flood stage515
25Jun 5, 20074.89−4.11Below flood stage385
26Jun 6, 20044.87−4.13Below flood stage379
27May 20, 19524.73−4.27Below flood stage493

The worst floods along the Teton River

For this gauge's highest crests, the other gauges on the Teton River that crested above flood stage within a week.

June 19, 2018: 9.25 ft here, minor flooding

  • DuttonMT · Jun 21, 2018 · 10.16 ft · Minor

Gauges on the Teton River

In USGS station-number order, which runs downstream within a river basin.

Flood gauges on the Teton River
Choteau below South Fork this gaugeMT9.09.25 ft, Jun 19, 20180
DuttonMT9.020.48 ft, Jun 9, 19640

Other gauges in Teton County

Flood gauges in Teton County
Dutton9.020.48 ft, Jun 9, 19640

Teton County: every hazard · River floods across the country · Montana

NOAA National Water Prediction Service, gauge TSFM8, 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.