Search
Menu

Explore

Hazards

Analysis

Rankings

Reference

Missouri River at Napoleon

Highest listed crest 29.73 ftFlood stage 17.0 ft139 crests since 1929

The Missouri River at Napoleon crested above flood stage 139 times among the 139 crests the National Weather Service lists from 1929 to 2026. The highest, 29.73 ft on June 2, 2019, was moderate flooding, 12.73 feet above flood stage. 22 other gauges on the Missouri River crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest
29.73 ft
June 2, 2019
Flood stage
17.0 ft
Major flooding from 30.0 ft
Crests at major
0
139 above flood stage
Most recent flood crest
June 6, 2026
19.43 ft, minor flooding
Location
Lafayette County
Near Grain Valley (11.5 mi), Blue Springs (13.8 mi)

Flood stages

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

Flood categories, Missouri River at Napoleon
Action stage14.00—The level at which the NWS or its partners begin to take action
Flood stage (minor)17.0124Jun 6, 2026Minimal or no property damage, but possibly some public threat
Moderate flood stage25.015Jul 4, 2024Some inundation of structures and roads near the stream
Major flood stage30.00—Extensive inundation of structures and roads

Every listed crest

139 crests from 1929 to 2026. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Missouri River at Napoleon, 1929 to 2026 15202530ft Flood stage 17.0 ftMajor 30.0 ft Jun 4, 1929: 17.40 ft, minor floodingMay 30, 1935: 17.20 ft, minor floodingJun 7, 1935: 19.40 ft, minor floodingJun 12, 1935: 17.20 ft, minor floodingJun 14, 1941: 19.50 ft, minor floodingMay 16, 1942: 17.20 ft, minor floodingJun 22, 1942: 19.30 ft, minor floodingApr 20, 1943: 17.10 ft, minor floodingJun 19, 1943: 22.40 ft, minor floodingApr 24, 1944: 21.40 ft, minor floodingMay 5, 1944: 17.80 ft, minor floodingJun 19, 1944: 17.80 ft, minor floodingApr 18, 1945: 19.00 ft, minor floodingJun 18, 1945: 20.00 ft, minor floodingJul 2, 1945: 17.40 ft, minor floodingApr 6, 1947: 17.40 ft, minor floodingApr 12, 1947: 18.10 ft, minor floodingJun 8, 1947: 18.40 ft, minor floodingJun 24, 1947: 21.90 ft, minor floodingMar 21, 1948: 17.70 ft, minor floodingJun 30, 1949: 17.80 ft, minor floodingJul 19, 1950: 17.90 ft, minor floodingMay 3, 1951: 20.60 ft, minor floodingJun 9, 1951: 18.20 ft, minor floodingJun 17, 1951: 17.30 ft, minor floodingJul 15, 1951: 26.80 ft, moderate floodingAug 17, 1951: 17.50 ft, minor floodingSep 7, 1951: 19.80 ft, minor floodingSep 15, 1951: 17.80 ft, minor floodingApr 24, 1952: 24.60 ft, minor floodingOct 13, 1973: 25.90 ft, moderate floodingJun 10, 1974: 18.00 ft, minor floodingJun 1, 1982: 22.20 ft, minor floodingApr 2, 1983: 21.20 ft, minor floodingJun 12, 1984: 24.30 ft, minor floodingJun 7, 1993: 18.00 ft, minor floodingJun 21, 1993: 17.80 ft, minor floodingJun 27, 1993: 18.00 ft, minor floodingJul 11, 1993: 26.70 ft, moderate floodingApr 29, 1994: 18.00 ft, minor floodingMay 19, 1995: 27.40 ft, moderate floodingMay 25, 1995: 26.56 ft, moderate floodingJul 6, 1995: 20.69 ft, minor floodingMay 11, 1996: 19.94 ft, minor floodingMay 28, 1996: 23.90 ft, minor floodingJun 14, 1996: 17.48 ft, minor floodingJun 25, 1996: 22.36 ft, minor floodingJul 6, 1996: 17.18 ft, minor floodingJul 22, 1996: 20.51 ft, minor floodingAug 9, 1996: 17.63 ft, minor floodingNov 18, 1996: 19.14 ft, minor floodingFeb 23, 1997: 18.64 ft, minor floodingApr 12, 1997: 24.20 ft, minor floodingMay 31, 1997: 17.77 ft, minor floodingJun 28, 1997: 17.72 ft, minor floodingApr 1, 1998: 19.87 ft, minor floodingApr 10, 1998: 19.51 ft, minor floodingJun 17, 1998: 20.51 ft, minor floodingJul 13, 1998: 17.77 ft, minor floodingOct 6, 1998: 24.90 ft, minor floodingNov 3, 1998: 24.10 ft, minor floodingApr 17, 1999: 23.80 ft, minor floodingApr 23, 1999: 20.85 ft, minor floodingApr 29, 1999: 25.00 ft, moderate floodingMay 23, 1999: 23.15 ft, minor floodingJun 24, 1999: 17.52 ft, minor floodingJun 30, 1999: 26.07 ft, moderate floodingAug 10, 1999: 17.96 ft, minor floodingMar 16, 2001: 17.23 ft, minor floodingMay 7, 2001: 19.10 ft, minor floodingJun 6, 2001: 21.53 ft, minor floodingJun 16, 2001: 18.20 ft, minor floodingJun 22, 2001: 22.76 ft, minor floodingMay 26, 2004: 18.49 ft, minor floodingJun 1, 2004: 18.57 ft, minor floodingMay 14, 2005: 19.76 ft, minor floodingJun 6, 2005: 19.90 ft, minor floodingJun 13, 2005: 20.94 ft, minor floodingOct 3, 2005: 17.58 ft, minor floodingMay 9, 2007: 28.86 ft, moderate flooding; 330,768 cubic feet per secondMay 26, 2007: 21.69 ft, minor flooding; 159,159 cubic feet per secondJun 3, 2007: 18.13 ft, minor flooding; 121,647 cubic feet per secondOct 16, 2007: 17.74 ft, minor flooding; 117,876 cubic feet per secondJun 14, 2008: 24.60 ft, minor floodingJun 24, 2008: 17.01 ft, minor floodingJun 28, 2008: 17.73 ft, minor floodingSep 14, 2008: 17.17 ft, minor floodingApr 28, 2009: 21.91 ft, minor floodingMay 16, 2009: 18.36 ft, minor floodingJun 17, 2009: 18.84 ft, minor floodingMar 13, 2010: 19.48 ft, minor floodingMar 26, 2010: 20.08 ft, minor floodingMay 14, 2010: 19.56 ft, minor floodingMay 22, 2010: 17.98 ft, minor floodingJun 3, 2010: 17.68 ft, minor floodingJun 18, 2010: 25.25 ft, moderate floodingJul 21, 2010: 19.71 ft, minor floodingAug 20, 2010: 17.03 ft, minor floodingSep 22, 2010: 17.06 ft, minor floodingJul 10, 2011: 27.60 ft, moderate floodingJun 1, 2013: 23.40 ft, minor floodingJun 6, 2014: 19.24 ft, minor floodingJun 27, 2014: 17.80 ft, minor floodingJul 8, 2014: 17.60 ft, minor floodingSep 12, 2014: 18.72 ft, minor floodingOct 3, 2014: 18.69 ft, minor floodingMay 18, 2015: 22.60 ft, minor floodingMay 25, 2015: 20.04 ft, minor floodingJun 6, 2015: 26.12 ft, moderate floodingJun 13, 2015: 23.87 ft, minor floodingJul 1, 2015: 17.41 ft, minor floodingJul 7, 2015: 20.06 ft, minor floodingJul 21, 2015: 18.03 ft, minor floodingDec 17, 2015: 21.24 ft, minor floodingApr 28, 2016: 23.14 ft, minor floodingMay 13, 2016: 20.15 ft, minor floodingMay 31, 2016: 26.53 ft, moderate floodingSep 15, 2016: 19.44 ft, minor floodingSep 26, 2016: 17.41 ft, minor floodingApr 6, 2017: 18.99 ft, minor floodingMay 20, 2017: 20.47 ft, minor floodingJun 30, 2017: 17.65 ft, minor floodingAug 22, 2017: 21.16 ft, minor floodingJul 4, 2018: 18.42 ft, minor floodingSep 8, 2018: 18.78 ft, minor floodingOct 11, 2018: 24.32 ft, minor floodingDec 3, 2018: 19.91 ft, minor floodingMar 25, 2019: 28.12 ft, moderate flooding; 284,000 cubic feet per secondJun 2, 2019: 29.73 ft, moderate floodingMay 29, 2020: 23.49 ft, minor floodingJul 31, 2020: 22.03 ft, minor floodingJun 26, 2021: 20.44 ft, minor floodingJun 30, 2021: 17.27 ft, minor floodingJun 1, 2022: 18.66 ft, minor floodingMay 8, 2024: 17.37 ft, minor floodingMay 24, 2024: 17.92 ft, minor floodingJul 4, 2024: 25.13 ft, moderate floodingMay 20, 2026: 18.46 ft, minor floodingJun 6, 2026: 19.43 ft, minor flooding Highest, 29.73 ft, Jun 2, 2019 19401960198020002020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Missouri River at Napoleon 1920s: 1 1930s: 3 1940s: 17 1950s: 9 1960s: 0 1970s: 2 1980s: 3 1990s: 33 2000s: 22 2010s: 39 39 2020s: 10 1920s1930s1940s1950s1960s1970s1980s1990s2000s2010s2020s
  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 139 listed crests.

Highest listed crests, Missouri River at Napoleon
1Jun 2, 201929.73+12.73Moderate—
2May 9, 200728.86+11.86Moderate330,768
3Mar 25, 201928.12+11.12Moderate284,000
4Jul 10, 201127.60+10.60Moderate—
5May 19, 199527.40+10.40Moderate—
6Jul 15, 195126.80+9.80Moderate—
7Jul 11, 199326.70+9.70Moderate—
8May 25, 199526.56+9.56Moderate—
9May 31, 201626.53+9.53Moderate—
10Jun 6, 201526.12+9.12Moderate—
11Jun 30, 199926.07+9.07Moderate—
12Oct 13, 197325.90+8.90Moderate—
13Jun 18, 201025.25+8.25Moderate—
14Jul 4, 202425.13+8.13Moderate—
15Apr 29, 199925.00+8.00Moderate—
16Oct 6, 199824.90+7.90Minor—
17Apr 24, 195224.60+7.60Minor—
18Jun 14, 200824.60+7.60Minor—
19Oct 11, 201824.32+7.32Minor—
20Jun 12, 198424.30+7.30Minor—
21Apr 12, 199724.20+7.20Minor—
22Nov 3, 199824.10+7.10Minor—
23May 28, 199623.90+6.90Minor—
24Jun 13, 201523.87+6.87Minor—
25Apr 17, 199923.80+6.80Minor—
26May 29, 202023.49+6.49Minor—
27Jun 1, 201323.40+6.40Minor—
28May 23, 199923.15+6.15Minor—
29Apr 28, 201623.14+6.14Minor—
30Jun 22, 200122.76+5.76Minor—
31May 18, 201522.60+5.60Minor—
32Jun 19, 194322.40+5.40Minor—
33Jun 25, 199622.36+5.36Minor—
34Jun 1, 198222.20+5.20Minor—
35Jul 31, 202022.03+5.03Minor—
36Apr 28, 200921.91+4.91Minor—
37Jun 24, 194721.90+4.90Minor—
38May 26, 200721.69+4.69Minor159,159
39Jun 6, 200121.53+4.53Minor—
40Apr 24, 194421.40+4.40Minor—
41Dec 17, 201521.24+4.24Minor—
42Apr 2, 198321.20+4.20Minor—
43Aug 22, 201721.16+4.16Minor—
44Jun 13, 200520.94+3.94Minor—
45Apr 23, 199920.85+3.85Minor—
46Jul 6, 199520.69+3.69Minor—
47May 3, 195120.60+3.60Minor—
48Jul 22, 199620.51+3.51Minor—
49Jun 17, 199820.51+3.51Minor—
50May 20, 201720.47+3.47Minor—

The worst floods along the Missouri River

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

June 2, 2019: 29.73 ft here, moderate flooding

  • ChamberlainSD · Jun 2, 2019 · 71.08 ft · Major
  • GlasgowMO · May 29, 2019 · 37.35 ft · Major
  • HermannMO · Jun 8, 2019 · 33.52 ft · Major
  • Jefferson CityMO · Jun 7, 2019 · 33.41 ft · Major
  • WaverlyMO · Jun 1, 2019 · 31.92 ft · Major · its highest
  • MiamiMO · Jun 1, 2019 · 31.53 ft · Major
  • BrownvilleNE · Jun 5, 2019 · 39.45 ft · Moderate
  • Kansas CityMO · Jun 2, 2019 · 36.73 ft · Moderate
  • St. CharlesMO · Jun 9, 2019 · 35.59 ft · Moderate
  • ParkvilleMO · Jun 2, 2019 · 34.68 ft · Moderate

May 9, 2007: 28.86 ft here, moderate flooding

  • GlasgowMO · May 10, 2007 · 34.30 ft · Major
  • MiamiMO · May 11, 2007 · 29.48 ft · Major
  • BrownvilleNE · May 7, 2007 · 38.80 ft · Moderate
  • Kansas CityMO · May 8, 2007 · 35.47 ft · Moderate
  • BoonvilleMO · May 10, 2007 · 30.29 ft · Moderate
  • WaverlyMO · May 8, 2007 · 30.10 ft · Moderate
  • Jefferson CityMO · May 13, 2007 · 29.46 ft · Moderate
  • AtchisonKS · May 8, 2007 · 29.15 ft · Moderate
  • HermannMO · May 14, 2007 · 27.83 ft · Moderate
  • LeavenworthKS · May 9, 2007 · 26.82 ft · Moderate

March 25, 2019: 28.12 ft here, moderate flooding

  • ParkvilleMO · Mar 23, 2019 · 35.01 ft · Major · its highest
  • GlasgowMO · Apr 1, 2019 · 32.54 ft · Major
  • St. JosephMO · Mar 22, 2019 · 32.07 ft · Major
  • WaverlyMO · Mar 26, 2019 · 31.61 ft · Major
  • LeavenworthKS · Mar 23, 2019 · 31.31 ft · Major
  • AtchisonKS · Mar 22, 2019 · 31.20 ft · Major
  • MiamiMO · Mar 26, 2019 · 29.60 ft · Major
  • RuloNE · Mar 20, 2019 · 28.13 ft · Major · its highest
  • BlairNE · Mar 18, 2019 · 31.12 ft · Moderate
  • St. CharlesMO · Apr 1, 2019 · 30.59 ft · Moderate

Gauges on the Missouri River

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

Flood gauges on the Missouri River
ParkvilleMO25.035.01 ft, Mar 23, 20191
AtchisonKS22.031.63 ft, Jul 26, 19933
BoonvilleMO21.037.10 ft, Jul 29, 19931
BrownvilleNE34.045.73 ft, Mar 16, 20193
ChamberlainSD65.075.08 ft, Jul 8, 20113
DecaturNE35.044.41 ft, Apr 16, 19521
Farm IslandSD26.029.52 ft, Jun 21, 20111
Gavins Point DamNE1,210.01,212.02 ft, Mar 15, 20190
GlasgowMO25.039.50 ft, Jul 29, 199324
HermannMO21.036.97 ft, Jul 31, 19939
Highway 370 at BellevueNE30.033.78 ft, Jun 29, 20240
Highway 92 at OmahaNE27.532.90 ft, Jun 29, 20240
Jefferson CityMO23.038.65 ft, Jul 30, 199310
Kansas CityMO32.048.87 ft, Jul 27, 19930
La Framboise IslandSD29.033.45 ft, Jun 22, 20111
LeavenworthKS20.035.34 ft, Jul 28, 19933
MiamiMO18.032.60 ft, Jul 30, 19935
Napoleon this gaugeMO17.029.73 ft, Jun 2, 20190
Nebraska CityNE18.030.12 ft, Mar 16, 20193
NiobraraNE21.026.76 ft, Jun 26, 20111
OmahaNE27.036.29 ft, Jul 2, 20110
PierreSD13.025.35 ft, Apr 10, 19525
PlattsmouthNE26.040.62 ft, Mar 16, 20193
RuloNE17.028.13 ft, Mar 20, 20193
Sioux CityNE30.035.25 ft, Jul 21, 20110
SpringfieldSD11.017.73 ft, Mar 14, 20191
St. CharlesMO25.040.11 ft, Jun 24, 18449
St. JosephMO17.032.07 ft, Jul 26, 19934
WashingtonMO20.035.40 ft, Jul 31, 19935
YanktonSD20.050.50 ft, Apr 5, 188138
BlairNE26.533.50 ft, Apr 17, 19521
ChamoisMO17.033.30 ft, Jul 31, 19931
GreenwoodSD30.038.78 ft, Jul 7, 20112
MaskellNE30.031.86 ft, Jun 29, 20110
PoncaNE20.029.15 ft, Jul 20, 20111
VerdelNE24.029.12 ft, Jun 30, 20112
WaverlyMO20.031.92 ft, Jun 1, 20193

Other gauges in Lafayette County

Flood gauges in Lafayette County
Waverly20.031.92 ft, Jun 1, 20193

Lafayette County: every hazard · River floods across the country · Missouri

NOAA National Water Prediction Service, gauge NAPM7, 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.