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Gallatin River near Gallatin Gateway

Highest listed crest 7.38 ftFlood stage 6.0 ft79 crests since 1933

The Gallatin River near Gallatin Gateway crested above flood stage 13 times among the 79 crests the National Weather Service lists from 1933 to 2022. The highest, 7.38 ft on June 17, 1974, was moderate flooding, 1.38 feet above flood stage. 1 other gauge on the Gallatin River crested above flood stage within a week of it.

The gauge

Highest listed crest
7.38 ft
June 17, 1974; 9,100 cubic feet per second
Flood stage
6.0 ft
Major flooding from 7.5 ft
Crests at major
0
13 above flood stage
Most recent flood crest
June 13, 2022
6.70 ft, minor flooding
Location
Gallatin County
Montana

Flood stages

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

Flood categories, Gallatin River near Gallatin Gateway
Action stage5.030Jun 1, 2018The level at which the NWS or its partners begin to take action
Flood stage (minor)6.012Jun 13, 2022Minimal or no property damage, but possibly some public threat
Moderate flood stage7.01Jun 17, 1974Some inundation of structures and roads near the stream
Major flood stage7.50—Extensive inundation of structures and roads

Every listed crest

79 crests from 1933 to 2022. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Gallatin River near Gallatin Gateway, 1933 to 2022 345678ft Flood stage 6.0 ftMajor 7.5 ft Jun 13, 1933: 5.03 ft, action stage; 4,270 cubic feet per secondMay 8, 1934: 3.03 ft, below flood stage; 1,740 cubic feet per secondJun 13, 1935: 5.09 ft, action stage; 4,340 cubic feet per secondMay 15, 1936: 4.58 ft, below flood stage; 3,660 cubic feet per secondJun 17, 1937: 4.22 ft, below flood stage; 3,120 cubic feet per secondJun 6, 1938: 5.00 ft, action stage; 4,550 cubic feet per secondMay 30, 1939: 4.04 ft, below flood stage; 3,170 cubic feet per secondJun 13, 1940: 4.39 ft, below flood stage; 3,660 cubic feet per secondMay 27, 1941: 3.74 ft, below flood stage; 2,820 cubic feet per secondJun 9, 1942: 5.32 ft, action stage; 6,050 cubic feet per secondJun 19, 1943: 5.61 ft, action stage; 6,480 cubic feet per secondJun 9, 1944: 4.07 ft, below flood stage; 3,600 cubic feet per secondJun 24, 1945: 4.55 ft, below flood stage; 4,450 cubic feet per secondJun 6, 1946: 4.38 ft, below flood stage; 4,360 cubic feet per secondJun 20, 1947: 4.96 ft, below flood stage; 5,250 cubic feet per secondJun 4, 1948: 5.77 ft, action stage; 6,740 cubic feet per secondMay 17, 1949: 4.32 ft, below flood stage; 4,110 cubic feet per secondJun 22, 1950: 4.89 ft, below flood stage; 5,030 cubic feet per secondMay 24, 1951: 4.69 ft, below flood stage; 3,940 cubic feet per secondJun 6, 1952: 5.71 ft, action stage; 6,910 cubic feet per secondJun 13, 1953: 5.28 ft, action stage; 6,010 cubic feet per secondJun 27, 1954: 4.21 ft, below flood stage; 3,790 cubic feet per secondJun 16, 1955: 4.42 ft, below flood stage; 4,480 cubic feet per secondMay 28, 1956: 5.57 ft, action stage; 7,030 cubic feet per secondJun 7, 1957: 5.59 ft, action stage; 5,970 cubic feet per secondMay 24, 1958: 5.08 ft, action stage; 5,010 cubic feet per secondJun 15, 1959: 6.23 ft, minor flooding; 7,230 cubic feet per secondJun 4, 1960: 4.92 ft, below flood stage; 4,940 cubic feet per secondJun 4, 1961: 4.32 ft, below flood stage; 3,670 cubic feet per secondJun 14, 1962: 4.89 ft, below flood stage; 4,780 cubic feet per secondJun 15, 1963: 4.91 ft, below flood stage; 4,800 cubic feet per secondJun 8, 1964: 5.70 ft, action stage; 6,450 cubic feet per secondJun 13, 1965: 6.02 ft, minor flooding; 7,010 cubic feet per secondMay 31, 1966: 4.69 ft, below flood stage; 4,530 cubic feet per secondJun 22, 1967: 5.44 ft, action stage; 5,960 cubic feet per secondJun 20, 1968: 5.56 ft, action stage; 6,570 cubic feet per secondMay 27, 1969: 5.12 ft, action stage; 5,350 cubic feet per secondJun 9, 1970: 6.48 ft, minor flooding; 7,600 cubic feet per secondJun 27, 1971: 6.49 ft, minor flooding; 7,610 cubic feet per secondJun 8, 1972: 5.33 ft, action stage; 6,030 cubic feet per secondJun 10, 1973: 5.41 ft, action stage; 6,500 cubic feet per secondJun 17, 1974: 7.38 ft, moderate flooding; 9,100 cubic feet per secondJul 4, 1975: 6.27 ft, minor flooding; 7,950 cubic feet per secondJun 22, 1976: 5.27 ft, action stage; 5,870 cubic feet per secondJun 10, 1977: 4.08 ft, below flood stage; 3,370 cubic feet per secondJun 10, 1978: 5.12 ft, action stage; 5,230 cubic feet per secondMay 28, 1979: 4.87 ft, below flood stage; 4,730 cubic feet per secondMay 23, 1980: 4.76 ft, below flood stage; 4,150 cubic feet per secondJun 9, 1981: 5.56 ft, action stage; 5,920 cubic feet per secondMay 26, 1985: 4.31 ft, below flood stage; 3,650 cubic feet per secondJun 6, 1986: 6.00 ft, minor flooding; 6,830 cubic feet per secondMay 17, 1987: 3.43 ft, below flood stage; 2,390 cubic feet per secondJun 5, 1988: 4.70 ft, below flood stage; 4,340 cubic feet per secondJun 16, 1989: 4.55 ft, below flood stage; 4,280 cubic feet per secondJun 11, 1990: 4.97 ft, below flood stage; 5,140 cubic feet per secondJun 6, 1991: 6.50 ft, minor flooding; 7,640 cubic feet per secondJun 17, 1992: 4.32 ft, below flood stage; 3,660 cubic feet per secondMay 22, 1993: 5.31 ft, action stage; 5,740 cubic feet per secondMay 13, 1994: 4.46 ft, below flood stage; 4,110 cubic feet per secondJun 6, 1995: 6.31 ft, minor flooding; 7,330 cubic feet per secondJun 11, 1996: 6.11 ft, minor flooding; 7,010 cubic feet per secondJun 2, 1997: 6.71 ft, minor flooding; 9,160 cubic feet per secondJun 26, 1998: 5.18 ft, action stage; 5,400 cubic feet per secondMay 29, 1999: 4.98 ft, below flood stage; 4,990 cubic feet per secondMay 29, 2000: 4.44 ft, below flood stage; 4,070 cubic feet per secondMay 15, 2001: 4.26 ft, below flood stage; 3,740 cubic feet per secondJun 2, 2002: 5.03 ft, action stage; 5,260 cubic feet per secondMay 30, 2003: 5.71 ft, action stage; 6,710 cubic feet per secondJun 10, 2004: 4.30 ft, below flood stage; 3,810 cubic feet per secondJun 23, 2005: 4.52 ft, below flood stage; 4,220 cubic feet per secondMay 21, 2006: 5.17 ft, action stage; 5,550 cubic feet per secondMay 14, 2007: 4.04 ft, below flood stage; 3,350 cubic feet per secondJun 23, 2008: 5.54 ft, action stage; 6,010 cubic feet per secondJun 1, 2009: 5.28 ft, action stage; 5,500 cubic feet per secondJun 5, 2010: 5.20 ft, action stage; 5,360 cubic feet per secondJun 30, 2011: 6.51 ft, minor flooding; 8,410 cubic feet per secondJun 5, 2012: 5.17 ft, action stage; 5,220 cubic feet per secondJun 1, 2018: 5.65 ft, action stage; 6,443 cubic feet per secondJun 13, 2022: 6.70 ft, minor flooding; 8,980 cubic feet per second Highest, 7.38 ft, Jun 17, 1974 19401960198020002020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Gallatin River near Gallatin Gateway 1930s: 0 1940s: 0 1950s: 1 1960s: 1 1970s: 4 4 1980s: 1 1990s: 4 2000s: 0 2010s: 1 2020s: 1 1930s1940s1950s1960s1970s1980s1990s2000s2010s2020s
  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

The 50 highest of 79 listed crests.

Highest listed crests, Gallatin River near Gallatin Gateway
1Jun 17, 19747.38+1.38Moderate9,100
2Jun 2, 19976.71+0.71Minor9,160
3Jun 13, 20226.70+0.70Minor8,980
4Jun 30, 20116.51+0.51Minor8,410
5Jun 6, 19916.50+0.50Minor7,640
6Jun 27, 19716.49+0.49Minor7,610
7Jun 9, 19706.48+0.48Minor7,600
8Jun 6, 19956.31+0.31Minor7,330
9Jul 4, 19756.27+0.27Minor7,950
10Jun 15, 19596.23+0.23Minor7,230
11Jun 11, 19966.11+0.11Minor7,010
12Jun 13, 19656.02+0.02Minor7,010
13Jun 6, 19866.000.00Minor6,830
14Jun 4, 19485.77−0.23Action6,740
15Jun 6, 19525.71−0.29Action6,910
16May 30, 20035.71−0.29Action6,710
17Jun 8, 19645.70−0.30Action6,450
18Jun 1, 20185.65−0.35Action6,443
19Jun 19, 19435.61−0.39Action6,480
20Jun 7, 19575.59−0.41Action5,970
21May 28, 19565.57−0.43Action7,030
22Jun 20, 19685.56−0.44Action6,570
23Jun 9, 19815.56−0.44Action5,920
24Jun 23, 20085.54−0.46Action6,010
25Jun 22, 19675.44−0.56Action5,960
26Jun 10, 19735.41−0.59Action6,500
27Jun 8, 19725.33−0.67Action6,030
28Jun 9, 19425.32−0.68Action6,050
29May 22, 19935.31−0.69Action5,740
30Jun 13, 19535.28−0.72Action6,010
31Jun 1, 20095.28−0.72Action5,500
32Jun 22, 19765.27−0.73Action5,870
33Jun 5, 20105.20−0.80Action5,360
34Jun 26, 19985.18−0.82Action5,400
35May 21, 20065.17−0.83Action5,550
36Jun 5, 20125.17−0.83Action5,220
37May 27, 19695.12−0.88Action5,350
38Jun 10, 19785.12−0.88Action5,230
39Jun 13, 19355.09−0.91Action4,340
40May 24, 19585.08−0.92Action5,010
41Jun 13, 19335.03−0.97Action4,270
42Jun 2, 20025.03−0.97Action5,260
43Jun 6, 19385.00−1.00Action4,550
44May 29, 19994.98−1.02Below flood stage4,990
45Jun 11, 19904.97−1.03Below flood stage5,140
46Jun 20, 19474.96−1.04Below flood stage5,250
47Jun 4, 19604.92−1.08Below flood stage4,940
48Jun 15, 19634.91−1.09Below flood stage4,800
49Jun 22, 19504.89−1.11Below flood stage5,030
50Jun 14, 19624.89−1.11Below flood stage4,780

The worst floods along the Gallatin River

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

June 17, 1974: 7.38 ft here, moderate flooding

  • LoganMT · Jun 18, 1974 · 9.02 ft · Minor

June 2, 1997: 6.71 ft here, minor flooding

  • LoganMT · Jun 8, 1997 · 9.80 ft · Minor

June 13, 2022: 6.70 ft here, minor flooding

  • LoganMT · Jun 14, 2022 · 9.75 ft · Minor

Gauges on the Gallatin River

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

Flood gauges on the Gallatin River
Gallatin Gateway this gaugeMT6.07.38 ft, Jun 17, 19740
LoganMT9.011.88 ft, Feb 5, 19632

Other gauges in Gallatin County

Flood gauges in Gallatin County
Bridger Creek near Bozeman4.55.60 ft, Jun 11, 20040
Logan9.011.88 ft, Feb 5, 19632

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

NOAA National Water Prediction Service, gauge GLGM8, 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.