National Weather Service United States Department of Commerce

Tornadoes in northeast Iowa, southeast Minnesota, and southwest & central Wisconsin

Background Information
 
Statistics (1850-Present)
 
Records (1850-Present)
 

Most Tornadoes in a Month *
in Southeast Minnesota, Northeast Iowa, & Western Wisconsin
1850 to Present


Rank
Number
of Tornadoes


Month


Dates


Counties Affected
1 18 June 2004 11th (7), 16th (6), 23rd (5) Adams, WI; Fillmore, MN (2); Floyd, IA; Howard, IA (4); Jackson, WI (2); Juneau, WI; Mitchell, IA (2); Monroe, WI; Mower, MN (4)
2 16 June 1993 8th (13) & 19th (3) Adams, WI (5); Fillmore, MN; Mitchell, IA; Mower, MN (3); Olmsted, MN (2); Vernon, WI
3 15 July 1994 6th (3), 7th (2),
19th (8), & 31st (1)
Allamakee, IA (2); Chickasaw, IA (3); Fayette, IA (2); Floyd, IA; Grant, WI; Howard, IA (3); Mitchell, IA; Winneshiek, IA (3) 
4 13 May 1964 4th (4), 7th (2), 8th (2), 23rd (4), 25th (1) Adams, WI; Allamakee, IA; Buffalo, WI; Clark, WI; Crawford, WI; Fayette, IA; Jackson, WI (2); Juneau, WI (4); Olmsted, WI; Richland, WI; Trempealeau, WI; Vernon, WI 
5 12 May 1988 8th (12) Clark, WI; Grant, WI (7); Juneau, WI (3); Monroe, WI; Richland, WI 
6 11 July 1983 3rd (11) & 19th (1) Adams, WI (3); Clark, WI; Fayette, IA; Juneau, WI (4); Trempealeau, WI
7 8 May
2019
May 24th (1) & May 27th (7) Chickasaw, IA; Fillmore, MN (4); Floyd, IA; Howard, IA (3); Vernon, WI
  8 June
2008
7th (7) & 12th (1) Adams, WI; Grant, WI (2); Houston, MN; La Crosse, WI; Mitchell, IA (2); and Vernon, WI
8 May 1982 17th (8) Buffalo, WI (2); Dodge, MN; Fillmore, MN; Howard, IA; Mower, MN; Olmsted, MN (2); Trempealeau, WI; Wabasha, MN; Winona, MN (2)
10 7 August 2005 18th (7) Adams, WI; Grant, WI; Juneau , WI; Monroe,WI; Mower, MN; Richland, WI (2); Trempealeau, WI; Vernon, WI (2)
  7 June 1984 7th (3), 16th (1), 17th (2), & 22nd (1)  Buffalo, WI; Chippewa, WI; Clark, WI; Floyd, IA (2); Mower, MN; Olmsted, MN; Wabasha, MN
7 June 1971 7th (4) & 24th (3) Crawford, WI; Fayette, IA; Grant, WI (2); Olmsted, MN (2); Wabasha, MN
7 May 1968 15th (7) Butler, IA; Chickasaw, IA; Dodge, MN (2); Fayette, IA (2); Fillmore, MN; Floyd, IA; Franklin, IA; Howard, IA (2)
7 May 1965 5th (5), 7th (1), & 15th (1) Chickasaw, IA; Fayette, IA; Fillmore, MN (2); Floyd, IA; Houston, MN (2); Howard, IA; La Crosse, WI; Mitchell, IA; Mower, MN; Wabasha, MN; Winneshiek, IA; Winona, MN (2)
7 May 1953 10th (5) & 20th (2) Buffalo, WI; Chippewa, WI; Clayton, IA; Eau Claire, WI; Fillmore, MN; Howard, IA; Olmsted, MN (2); Price, WI; Rusk, WI; Taylor, WI; Trempealeau, WI; Winona, MN


* County affected numbers will be higher than actual total due to tornadoes crossing into neighboring counties.

Last Updated Thursday, April 30, 2020 - Jeff Boyne