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North Platte River near Sinclair

Highest listed crest 11.64 ftFlood stage 9.0 ft86 crests since 1940

The North Platte River near Sinclair crested at major flood stage 3 times among the 86 crests the National Weather Service lists from 1940 to 2026. The highest, 11.64 ft on June 14, 2010, was major flooding, 2.64 feet above flood stage. 3 other gauges on the North Platte River crested above flood stage within a week of it.

The gauge

Highest listed crest
11.64 ft
June 14, 2010; 16,900 cubic feet per second
Flood stage
9.0 ft
Major flooding from 11.0 ft
Crests at major
3
1st of 73 gauges in Wyoming
Most recent flood crest
June 25, 2019
9.60 ft, minor flooding
Location
Carbon County
Wyoming

Flood stages

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

Flood categories, North Platte River near Sinclair
Action stage8.52Jun 5, 2009The level at which the NWS or its partners begin to take action
Flood stage (minor)9.06Jun 25, 2019Minimal or no property damage, but possibly some public threat
Moderate flood stage10.02May 29, 2014Some inundation of structures and roads near the stream
Major flood stage11.03Jun 9, 2011Extensive inundation of structures and roads

Every listed crest

86 crests from 1940 to 2026. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the North Platte River near Sinclair, 1940 to 2026 4681012ft Flood stage 9.0 ftMajor 11.0 ft Jun 3, 1940: 4.99 ft, below flood stage; 4,960 cubic feet per secondMay 14, 1941: 5.59 ft, below flood stage; 5,930 cubic feet per secondJun 13, 1942: 7.04 ft, below flood stage; 8,320 cubic feet per secondJun 3, 1943: 8.45 ft, below flood stage; 11,300 cubic feet per secondJun 5, 1944: 5.52 ft, below flood stage; 5,640 cubic feet per secondJun 7, 1945: 7.02 ft, below flood stage; 8,280 cubic feet per secondJun 19, 1946: 5.97 ft, below flood stage; 6,180 cubic feet per secondJun 22, 1947: 7.03 ft, below flood stage; 8,300 cubic feet per secondMay 23, 1948: 6.49 ft, below flood stage; 7,220 cubic feet per secondJun 14, 1949: 8.25 ft, below flood stage; 10,800 cubic feet per secondJun 18, 1950: 6.68 ft, below flood stage; 7,600 cubic feet per secondMay 31, 1951: 6.41 ft, below flood stage; 7,260 cubic feet per secondJun 8, 1952: 9.00 ft, minor flooding; 12,200 cubic feet per secondJun 20, 1953: 6.90 ft, below flood stage; 8,000 cubic feet per secondMay 23, 1954: 4.52 ft, below flood stage; 3,400 cubic feet per secondJun 18, 1955: 4.40 ft, below flood stage; 3,270 cubic feet per secondJun 6, 1956: 6.80 ft, below flood stage; 7,800 cubic feet per secondJun 15, 1957: 9.72 ft, minor flooding; 14,500 cubic feet per secondMay 31, 1958: 7.86 ft, below flood stage; 9,700 cubic feet per secondJun 15, 1959: 5.68 ft, below flood stage; 5,340 cubic feet per secondMar 29, 1960: 5.96 ft, below flood stage; 5,900 cubic feet per secondJun 2, 1961: 5.34 ft, below flood stage; 4,690 cubic feet per secondMay 14, 1962: 7.92 ft, below flood stage; 10,190 cubic feet per secondJun 4, 1963: 5.35 ft, below flood stage; 4,560 cubic feet per secondJun 8, 1964: 6.01 ft, below flood stage; 5,910 cubic feet per secondJun 15, 1965: 8.40 ft, below flood stage; 10,800 cubic feet per secondJun 24, 1967: 6.69 ft, below flood stage; 7,050 cubic feet per secondJun 8, 1968: 7.86 ft, below flood stage; 9,350 cubic feet per secondOct 1, 1969: 8.42 ft, below flood stage; 10,200 cubic feet per secondOct 1, 1970: 8.42 ft, below flood stage; 10,200 cubic feet per secondJun 21, 1971: 8.47 ft, below flood stage; 10,300 cubic feet per secondJun 10, 1972: 7.82 ft, below flood stage; 9,250 cubic feet per secondJun 16, 1973: 8.28 ft, below flood stage; 10,400 cubic feet per secondJun 10, 1974: 7.20 ft, below flood stage; 7,930 cubic feet per secondJun 8, 1975: 6.76 ft, below flood stage; 7,150 cubic feet per secondMay 24, 1976: 5.44 ft, below flood stage; 4,510 cubic feet per secondMay 17, 1977: 4.84 ft, below flood stage; 3,490 cubic feet per secondJun 17, 1978: 8.03 ft, below flood stage; 9,780 cubic feet per secondMay 30, 1979: 7.35 ft, below flood stage; 8,150 cubic feet per secondMay 25, 1980: 7.41 ft, below flood stage; 8,270 cubic feet per secondJun 9, 1981: 5.24 ft, below flood stage; 4,170 cubic feet per secondJun 27, 1982: 7.80 ft, below flood stage; 9,320 cubic feet per secondJun 26, 1983: 9.86 ft, minor flooding; 13,200 cubic feet per secondMay 26, 1984: 10.84 ft, moderate flooding; 15,000 cubic feet per secondMay 12, 1985: 7.15 ft, below flood stage; 7,560 cubic feet per secondJun 11, 1986: 11.30 ft, major flooding; 16,200 cubic feet per secondMay 2, 1987: 4.66 ft, below flood stage; 2,820 cubic feet per secondMay 20, 1988: 6.46 ft, below flood stage; 6,240 cubic feet per secondApr 24, 1989: 4.16 ft, below flood stage; 2,080 cubic feet per secondJun 13, 1990: 6.30 ft, below flood stage; 6,030 cubic feet per secondJun 2, 1991: 6.39 ft, below flood stage; 5,860 cubic feet per secondMay 28, 1992: 5.17 ft, below flood stage; 3,800 cubic feet per secondJun 19, 1993: 7.54 ft, below flood stage; 7,780 cubic feet per secondMay 14, 1994: 5.93 ft, below flood stage; 4,470 cubic feet per secondJun 19, 1995: 9.51 ft, minor flooding; 11,700 cubic feet per secondMay 20, 1996: 8.32 ft, below flood stage; 8,880 cubic feet per secondJun 7, 1997: 9.42 ft, minor flooding; 11,300 cubic feet per secondJun 18, 1998: 7.49 ft, below flood stage; 7,010 cubic feet per secondMay 31, 1999: 7.82 ft, below flood stage; 7,750 cubic feet per secondMay 30, 2000: 6.80 ft, below flood stage; 5,830 cubic feet per secondMay 17, 2001: 6.05 ft, below flood stage; 4,120 cubic feet per secondApr 6, 2002: 4.23 ft, below flood stage; 1,310 cubic feet per secondJun 2, 2003: 8.22 ft, below flood stage; 8,610 cubic feet per secondJun 23, 2004: 4.80 ft, below flood stage; 2,150 cubic feet per secondJun 7, 2005: 8.23 ft, below flood stage; 8,720 cubic feet per secondMay 24, 2006: 7.23 ft, below flood stage; 6,482 cubic feet per secondMay 22, 2007: 5.84 ft, below flood stage; 3,920 cubic feet per secondJun 7, 2008: 8.89 ft, action stage; 10,200 cubic feet per secondJun 5, 2009: 8.62 ft, action stage; 9,600 cubic feet per secondJun 14, 2010: 11.64 ft, major flooding; 16,900 cubic feet per secondJun 9, 2011: 11.46 ft, major flooding; 16,200 cubic feet per secondApr 3, 2012: 4.69 ft, below flood stage; 1,840 cubic feet per secondMay 18, 2013: 6.00 ft, below flood stage; 4,040 cubic feet per secondMay 29, 2014: 10.50 ft, moderate flooding; 14,000 cubic feet per secondJun 13, 2015: 7.01 ft, below flood stage; 6,090 cubic feet per secondJun 9, 2016: 8.41 ft, below flood stage; 9,270 cubic feet per secondJun 11, 2017: 7.33 ft, below flood stage; 6,810 cubic feet per secondMay 29, 2018: 6.04 ft, below flood stage; 4,280 cubic feet per secondJun 25, 2019: 9.60 ft, minor flooding; 11,800 cubic feet per secondJun 3, 2020: 7.51 ft, below flood stage; 7,180 cubic feet per secondJun 7, 2021: 5.50 ft, below flood stage; 3,310 cubic feet per secondJun 12, 2022: 6.60 ft, below flood stage; 5,340 cubic feet per secondMay 20, 2023: 8.01 ft, below flood stage; 8,090 cubic feet per secondJun 10, 2024: 7.61 ft, below flood stage; 7,170 cubic feet per secondJun 4, 2025: 5.58 ft, below flood stage; 3,330 cubic feet per secondMay 22, 2026: 4.74 ft, below flood stage; 1,980 cubic feet per second Highest, 11.64 ft, Jun 14, 2010 19401960198020002020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, North Platte River near Sinclair 1940s: 0 1950s: 2 1960s: 0 1970s: 0 1980s: 3 1990s: 2 2000s: 0 2010s: 4 4 2020s: 0 1940s1950s1960s1970s1980s1990s2000s2010s2020s
  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 86 listed crests.

Highest listed crests, North Platte River near Sinclair
1Jun 14, 201011.64+2.64Major16,900
2Jun 9, 201111.46+2.46Major16,200
3Jun 11, 198611.30+2.30Major16,200
4May 26, 198410.84+1.84Moderate15,000
5May 29, 201410.50+1.50Moderate14,000
6Jun 26, 19839.86+0.86Minor13,200
7Jun 15, 19579.72+0.72Minor14,500
8Jun 25, 20199.60+0.60Minor11,800
9Jun 19, 19959.51+0.51Minor11,700
10Jun 7, 19979.42+0.42Minor11,300
11Jun 8, 19529.000.00Minor12,200
12Jun 7, 20088.89−0.11Action10,200
13Jun 5, 20098.62−0.38Action9,600
14Jun 21, 19718.47−0.53Below flood stage10,300
15Jun 3, 19438.45−0.55Below flood stage11,300
16Oct 1, 19698.42−0.58Below flood stage10,200
17Oct 1, 19708.42−0.58Below flood stage10,200
18Jun 9, 20168.41−0.59Below flood stage9,270
19Jun 15, 19658.40−0.60Below flood stage10,800
20May 20, 19968.32−0.68Below flood stage8,880
21Jun 16, 19738.28−0.72Below flood stage10,400
22Jun 14, 19498.25−0.75Below flood stage10,800
23Jun 7, 20058.23−0.77Below flood stage8,720
24Jun 2, 20038.22−0.78Below flood stage8,610
25Jun 17, 19788.03−0.97Below flood stage9,780
26May 20, 20238.01−0.99Below flood stage8,090
27May 14, 19627.92−1.08Below flood stage10,190
28May 31, 19587.86−1.14Below flood stage9,700
29Jun 8, 19687.86−1.14Below flood stage9,350
30Jun 10, 19727.82−1.18Below flood stage9,250
31May 31, 19997.82−1.18Below flood stage7,750
32Jun 27, 19827.80−1.20Below flood stage9,320
33Jun 10, 20247.61−1.39Below flood stage7,170
34Jun 19, 19937.54−1.46Below flood stage7,780
35Jun 3, 20207.51−1.49Below flood stage7,180
36Jun 18, 19987.49−1.51Below flood stage7,010
37May 25, 19807.41−1.59Below flood stage8,270
38May 30, 19797.35−1.65Below flood stage8,150
39Jun 11, 20177.33−1.67Below flood stage6,810
40May 24, 20067.23−1.77Below flood stage6,482
41Jun 10, 19747.20−1.80Below flood stage7,930
42May 12, 19857.15−1.85Below flood stage7,560
43Jun 13, 19427.04−1.96Below flood stage8,320
44Jun 22, 19477.03−1.97Below flood stage8,300
45Jun 7, 19457.02−1.98Below flood stage8,280
46Jun 13, 20157.01−1.99Below flood stage6,090
47Jun 20, 19536.90−2.10Below flood stage8,000
48Jun 6, 19566.80−2.20Below flood stage7,800
49May 30, 20006.80−2.20Below flood stage5,830
50Jun 8, 19756.76−2.24Below flood stage7,150

The worst floods along the North Platte River

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

June 14, 2010: 11.64 ft here, major flooding

June 9, 2011: 11.46 ft here, major flooding

May 26, 1984: 10.84 ft here, moderate flooding

  • KeystoneNE · May 25, 1984 · 6.42 ft · Minor

Gauges on the North Platte River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the North Platte River
CasperWY8.08.34 ft, Jun 9, 19840
LewellenNE8.08.92 ft, May 27, 20160
LiscoNE4.05.28 ft, Jun 19, 20110
North PlatteNE6.07.73 ft, Jun 21, 20111
SaratogaWY8.510.49 ft, Jun 9, 20110
ScottsbluffNE11.512.74 ft, May 28, 20160
WY-NE State Line nr HenryWY5.56.77 ft, May 11, 20180
GlenrockWY7.07.18 ft, Jun 20, 20110
KeystoneNE6.07.57 ft, Aug 10, 19830
NorthgateCO8.09.45 ft, Mar 21, 20070
OrinWY8.010.45 ft, Jun 12, 19702
Sinclair this gaugeWY9.011.64 ft, Jun 14, 20103
SutherlandNE6.57.11 ft, Jun 21, 20110

Other gauges in Carbon County

Flood gauges in Carbon County
Encampment6.58.33 ft, Jun 4, 19520
Encampment5.56.22 ft, Jun 7, 20100
Boles Spring8.014.10 ft, May 17, 19780
Dixon9.59.52 ft, May 10, 20160
Elk Mountain7.07.08 ft, Jun 30, 20110
Hanna6.06.74 ft, May 12, 19730
Saratoga8.510.49 ft, Jun 9, 20110
Arlington6.06.11 ft, Jun 2, 20090
Savery4.54.59 ft, May 17, 20110

Carbon County: every hazard · River floods across the country · Wyoming

NOAA National Water Prediction Service, gauge SINW4, 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.