Search
Menu

Explore

Hazards

Analysis

Rankings

Reference

Mississippi River at Winona - Pool 6

Highest listed crest 20.77 ftFlood stage 13.0 ft38 crests since 1880

The Mississippi River at Winona - Pool 6 crested at major flood stage 5 times among the 38 crests the National Weather Service lists from 1880 to 2024. The highest, 20.77 ft on April 19, 1965, was major flooding, 7.77 feet above flood stage. 30 other gauges on the Mississippi River crested above flood stage within a week of it, 26 at their own highest listed crest.

The gauge

Highest listed crest
20.77 ft
April 19, 1965; 268,000 cubic feet per second
Flood stage
13.0 ft
Major flooding from 18.0 ft
Crests at major
5
29th of 120 gauges in Minnesota
Most recent flood crest
July 2, 2024
16.14 ft, moderate flooding
Location
Winona County
Near Winona (1.5 mi)

Flood stages

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

Flood categories, Mississippi River at Winona - Pool 6
Action stage11.00—The level at which the NWS or its partners begin to take action
Flood stage (minor)13.016May 24, 2017Minimal or no property damage, but possibly some public threat
Moderate flood stage15.017Jul 2, 2024Some inundation of structures and roads near the stream
Major flood stage18.05Apr 26, 2023Extensive inundation of structures and roads

Every listed crest

38 crests from 1880 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Mississippi River at Winona - Pool 6, 1880 to 2024 121416182022ft Flood stage 13.0 ftMajor 18.0 ft Jun 18, 1880: 16.87 ft, moderate floodingOct 5, 1881: 14.33 ft, minor floodingMay 4, 1888: 14.92 ft, minor floodingApr 9, 1897: 16.50 ft, moderate floodingApr 27, 1916: 16.20 ft, moderate floodingApr 1, 1920: 16.00 ft, moderate floodingApr 15, 1922: 15.20 ft, moderate floodingJun 22, 1943: 14.80 ft, minor floodingMay 14, 1950: 14.05 ft, minor floodingApr 18, 1951: 17.36 ft, moderate floodingApr 20, 1952: 17.93 ft, moderate floodingMay 7, 1954: 16.30 ft, moderate floodingApr 19, 1965: 20.77 ft, major flooding; 268,000 cubic feet per secondApr 7, 1967: 16.92 ft, moderate floodingApr 19, 1969: 19.44 ft, major floodingMar 17, 1971: 14.40 ft, minor floodingMar 20, 1973: 14.57 ft, minor floodingMay 2, 1975: 16.60 ft, moderate floodingApr 5, 1976: 13.20 ft, minor floodingApr 26, 1979: 14.16 ft, minor floodingApr 23, 1982: 14.53 ft, minor floodingMar 12, 1983: 14.52 ft, minor floodingApr 7, 1986: 16.53 ft, moderate floodingSep 28, 1986: 14.60 ft, minor floodingJun 26, 1993: 16.53 ft, moderate floodingApr 25, 1996: 14.95 ft, minor floodingApr 11, 1997: 18.30 ft, major flooding; 194,000 cubic feet per secondApr 17, 2001: 20.07 ft, major flooding; 237,000 cubic feet per secondApr 19, 2002: 13.51 ft, minor flooding; 124,000 cubic feet per secondMay 17, 2003: 13.12 ft, minor flooding; 119,339 cubic feet per secondSep 29, 2010: 13.70 ft, minor flooding; 127,000 cubic feet per secondApr 15, 2011: 16.58 ft, moderate floodingJul 2, 2014: 15.52 ft, moderate flooding; 151,590 cubic feet per secondMay 24, 2017: 13.44 ft, minor flooding; 123,520 cubic feet per secondApr 3, 2019: 17.30 ft, moderate flooding; 178,393 cubic feet per secondMay 25, 2019: 15.13 ft, moderate flooding; 145,897 cubic feet per secondApr 26, 2023: 18.81 ft, major floodingJul 2, 2024: 16.14 ft, moderate flooding Highest, 20.77 ft, Apr 19, 1965 18801900192019401960198020002020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Mississippi River at Winona - Pool 6 1880s: 3 1890s: 1 1900s: 0 1910s: 1 1920s: 2 1930s: 0 1940s: 1 1950s: 4 1960s: 3 1970s: 5 1980s: 4 1990s: 3 2000s: 3 2010s: 6 6 2020s: 2 1880s1900s1920s1940s1960s1980s2000s2020s
  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, Mississippi River at Winona - Pool 6
1Apr 19, 196520.77+7.77Major268,000
2Apr 17, 200120.07+7.07Major237,000
3Apr 19, 196919.44+6.44Major—
4Apr 26, 202318.81+5.81Major—
5Apr 11, 199718.30+5.30Major194,000
6Apr 20, 195217.93+4.93Moderate—
7Apr 18, 195117.36+4.36Moderate—
8Apr 3, 201917.30+4.30Moderate178,393
9Apr 7, 196716.92+3.92Moderate—
10Jun 18, 188016.87+3.87Moderate—
11May 2, 197516.60+3.60Moderate—
12Apr 15, 201116.58+3.58Moderate—
13Apr 7, 198616.53+3.53Moderate—
14Jun 26, 199316.53+3.53Moderate—
15Apr 9, 189716.50+3.50Moderate—
16May 7, 195416.30+3.30Moderate—
17Apr 27, 191616.20+3.20Moderate—
18Jul 2, 202416.14+3.14Moderate—
19Apr 1, 192016.00+3.00Moderate—
20Jul 2, 201415.52+2.52Moderate151,590
21Apr 15, 192215.20+2.20Moderate—
22May 25, 201915.13+2.13Moderate145,897
23Apr 25, 199614.95+1.95Minor—
24May 4, 188814.92+1.92Minor—
25Jun 22, 194314.80+1.80Minor—
26Sep 28, 198614.60+1.60Minor—
27Mar 20, 197314.57+1.57Minor—
28Apr 23, 198214.53+1.53Minor—
29Mar 12, 198314.52+1.52Minor—
30Mar 17, 197114.40+1.40Minor—
31Oct 5, 188114.33+1.33Minor—
32Apr 26, 197914.16+1.16Minor—
33May 14, 195014.05+1.05Minor—
34Sep 29, 201013.70+0.70Minor127,000
35Apr 19, 200213.51+0.51Minor124,000
36May 24, 201713.44+0.44Minor123,520
37Apr 5, 197613.20+0.20Minor—
38May 17, 200313.12+0.12Minor119,339

The worst floods along the Mississippi River

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

April 19, 1965: 20.77 ft here, major flooding

April 17, 2001: 20.07 ft here, major flooding

April 19, 1969: 19.44 ft here, major flooding

Gauges on the Mississippi River

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

Flood gauges on the Mississippi River
TiptonvilleMO37.048.35 ft, May 5, 20112
Alma - Pool 5MN672.0672.13 ft, Apr 16, 20010
AltonIL21.039.55 ft, Aug 1, 19937
Baton RougeLA35.047.28 ft, May 15, 192731
BellevueIL17.023.51 ft, Apr 26, 196511
BrainerdMN16.017.61 ft, Jun 28, 20120
BrownsvilleMN635.0640.20 ft, Apr 22, 19650
BurlingtonIL15.025.73 ft, Jun 17, 200836
CamancheIA17.024.65 ft, Apr 28, 196520
Canton Lock and Dam 20MO15.027.88 ft, Jul 9, 19933
Cape GirardeauMO32.048.86 ft, Jan 2, 201615
CaruthersvilleMO32.047.61 ft, May 7, 20112
ChesterIL27.049.74 ft, Aug 7, 19939
Clarksville Lock and Dam 24MO25.037.73 ft, Jul 29, 199310
ClaytonIA620.0627.28 ft, Apr 24, 19650
DakotaMN644.0649.08 ft, Apr 21, 19650
DonaldsonvilleLA27.036.01 ft, May 15, 19273
Dubuque (LD11)IA16.025.69 ft, Apr 26, 196513
Dubuque (Railroad Bridge)IA17.026.81 ft, Apr 26, 196518
Fort RipleyMN10.514.15 ft, Apr 8, 19970
Fridley abv 37th Ave NEMN16.020.00 ft, Apr 17, 19656
FultonIL16.024.75 ft, Apr 28, 196513
GladstoneIL10.022.46 ft, Jun 17, 200824
GraftonIL20.038.17 ft, Aug 1, 199315
Gregory LandingMO15.028.49 ft, Jul 9, 19934
HannibalMO17.031.80 ft, Jul 15, 199310
HelenaAR44.060.21 ft, Feb 12, 19374
HerculaneumMO26.029.79 ft, Jul 10, 20240
HickmanKY34.054.29 ft, May 2, 20113
Hwy 169 at ChamplinMN12.017.96 ft, Apr 12, 19653
Hwy 610 in Brooklyn ParkMN12.019.53 ft, Apr 17, 19654
Illinois CityIA15.024.10 ft, Jul 9, 199321
KeithsburgIA14.024.49 ft, Jun 17, 200822
KeokukIA16.027.58 ft, Jul 10, 199324
La Crosse - Pool 8WI12.017.89 ft, Apr 22, 19654
LaGrangeMO17.030.00 ft, Jul 13, 19934
Lake CityWI16.022.18 ft, Apr 19, 19653
Lansing - Pool 9IA17.022.50 ft, Apr 24, 19651
LeClaireIA11.017.75 ft, Apr 28, 196516
LouisianaMO15.028.40 ft, Jul 28, 19934
McGregorIA16.025.38 ft, Apr 24, 19653
Mel Price (Alton) Lock and DamIL21.042.72 ft, Aug 1, 19938
MemphisTN34.048.70 ft, Feb 10, 19372
MuscatineIA16.025.61 ft, Jul 9, 199321
NatchezMS48.061.95 ft, May 19, 20116
New BostonIL15.025.90 ft, Jul 9, 199322
New MadridMO34.048.35 ft, May 6, 20114
New OrleansLA17.021.27 ft, Apr 25, 19225
OsceolaAR28.050.90 ft, Feb 7, 193742
QuincyIL19.032.13 ft, Jul 13, 19937
Quincy Lock and Dam 21IL18.031.30 ft, Jul 13, 19937
Red River LandingLA48.063.39 ft, May 18, 20110
Red WingMN14.020.70 ft, Apr 18, 19659
ReserveLA22.026.00 ft, Jun 11, 19291
Rock IslandIL15.022.70 ft, May 2, 201920
Saverton Lock and Dam 22MO16.029.58 ft, Jul 25, 19939
St. CloudMN9.011.44 ft, Apr 8, 19971
St. LouisMO30.049.58 ft, Aug 1, 19939
St. PaulMN14.026.01 ft, Apr 16, 196516
ThebesIL33.047.74 ft, Jan 2, 201612
Tunica Mhoon LandingMS30.053.20 ft, Feb 10, 19375
VicksburgLA43.057.10 ft, May 19, 201112
Wabasha - Pool 4MN12.020.05 ft, Apr 19, 19657
Winfield Lock and Dam 25MO26.039.62 ft, Aug 1, 19939
Winona - Pool 6 this gaugeMN13.020.77 ft, Apr 19, 19655
Lock and Dam 10 - GuttenbergIA15.023.65 ft, Apr 24, 19652
Lock and Dam 2 - HastingsMN15.025.90 ft, Apr 17, 196512
Lock and Dam 3 - Red WingMN680.5687.77 ft, Apr 19, 19658
Lock and Dam 4 - AlmaWI16.019.78 ft, Apr 19, 19652
Lock and Dam 5 - Minnesota CityMN660.0667.85 ft, Apr 19, 19654
Lock and Dam 5a - WinonaMN655.0663.35 ft, Apr 19, 19654
Lock and Dam 6 - TrempealeauMN647.0653.02 ft, Apr 21, 19654
Lock and Dam 7 - La CrescentMN641.0647.38 ft, Apr 21, 19652
Lock and Dam 8 - GenoaWI631.0638.40 ft, Apr 22, 19653
Lock and Dam 9 - LynxvilleWI625.0633.16 ft, Apr 24, 19653
AitkinMN13.022.49 ft, May 20, 195011
Arkansas CityAR37.059.20 ft, Apr 21, 192715
GreenvilleAR48.065.40 ft, Apr 21, 192718

Other gauges in Winona County

Flood gauges in Winona County
Whitewater State Park Group Camp39.041.34 ft, May 16, 20170
Dakota644.0649.08 ft, Apr 21, 19650
Lock and Dam 5 - Minnesota City660.0667.85 ft, Apr 19, 19654
Lock and Dam 5a - Winona655.0663.35 ft, Apr 19, 19654
Lock and Dam 6 - Trempealeau647.0653.02 ft, Apr 21, 19654
Lock and Dam 7 - La Crescent641.0647.38 ft, Apr 21, 19652
Elba42.045.80 ft, May 16, 20170
Beaver699.0706.00 ft, Aug 19, 20070

Winona County: every hazard · River floods across the country · Minnesota

NOAA National Water Prediction Service, gauge WNAM5, 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.