Tornadoes in northeast Iowa, southeast Minnesota, and southwest and central Wisconsin
Main Tornado page

Background Information
Statistics (1850-Present)
Records (1850-Present)
Fillmore County (MN) Tornadoes*
1850-2006
Date Time Location Other 
Counties 
Affected		 Length
(miles)		 Width
(yards)		 Deaths** Injuries** F-Scale
Month Day Year
6 16 2004 1300-02 CST Harmony 3NW None 0.2 20 0 0 F0
  Brief touch down causing no damage.
6 11 2004 1730-32 CST Spring Valley 4SW None 0.2 20 0 0 F0
  Brief touch down causing no damage.
6 19 1997 2007 CST Harmony 2NW None 1 50 0 0 F0
  Brief touchdown with golf ball size hail.
6 8 1993 1307 CST Spring Valley 10S None 0.1 10 0 0 F0
  A tornado was reported 10 miles south of Spring Valley, while another was reported 18 miles southwest of Preston. These were likely the same tornado.
5 17 1982 1604-1620 CST Frankford Township to Spring Valley Mower 29 800 0 0 F2
  This tornado was first sighted in Frankford Township of Mower County where it damaged two farm sites. It moved northeast and was observed to the west of Spring Valley and again while crossing Highway 16.
7 14 1977 1800 CST Wykoff None 9 ?? 0 10 F2
  Three churches were severely damaged. A new residential area was hit, and at least one home was unroofed. Several barns collapsed, killing 23 head of cattle.
7 23 1973 2320 CST ? None ? ? 0 0 F0
5 15 1968 1745 CST ? None ? ? 0 0 F1
4 20 1968 1000 CST ? None ? ? 0 0 F1
5 5 1965 2055-2104 CST Le Roy to Chatfield Mower 25 150 0 0 F2
  This tornado tracked northeast from near Le Roy (Mower Co.) and Ostrander to near Chatfield. At least one barn was destroyed as 20 farms were damaged.
5 5 1965 1945-2124 CST Nora Springs 2N (IA) to Yucatan (MN) Floyd (IA)
Houston
Howard (IA)
Mitchell (IA)
Winneshiek (IA)		 80 150 0 17 F4
  Moved east-northeast from 2 miles north of Nora Springs, passing 3 miles north of Cresco and lifting near Yucatan, MN. The only F4 damage was to two large farm houses, 3 miles northwest of Kendallville in Winneshiek County. About 28 farms lost buildings in Iowa. Six people were injured in Minnesota, as homes and barns were destroyed near Canton, Lenora, and Newburg (Fillmore County). Six people were injured in Floyd County and 5 in Howard County.
5 10 1953 1715-1810 CST Chester 5SW to Chatfield 4NE Howard (IA)
Olmsted		 40 400 1 8 F4
  Eleven farms were heavily damaged in northern Iowa before this tornado crossed into Fillmore County. Twenty barns were damaged or destroyed in Minnesota and one man was killed as his barn was destroyed 1 mile southeast of Wykoff. A rural school was leveled 3 miles south of Chatfield as well. The only death occurred in Olmsted County. Six injuries occurred in Olmsted County and 2 injuries in Howard County.
6 16 1946 2022 CST Grand Meadow 5N Mower 8 170 0 0 F2
  This tornado tracked east-northeast across parts of Mower County and into extreme northwest Fillmore County. Five farms lost buildings. One small house was destroyed, a rural school was leveled, and at least two barns were destroyed causing $15,000 of damage.
4 30 1936 2000 CST Fillmore 7S None 1 100 0 0 F2
  All buildings on one farm were destroyed, except for a "huge farm house" which was stripped of shingles, shifted, and had every window broken. Damaged estimates were $25,000.
7 27 1935 1715 CST Chatfield 2S to Lewiston 3N Olmsted
Winona		 20 ?? 0 8 F2
  This tornado moved northeast, accompanied by a five-mile-wide downburst. Every home was damaged at Utica (Winona Co.) and barns were swept away on at least 4 farms. Wind-related damage totalled $350,000, with flooding also causing damage.
8 8 1905 1900 CST Lanesboro 7NW Winona 12 ?? 1 4 F2
  Moved east-northeast, damaging or destroying 6 homes in Pilot Mound Township.
9 21 1894 2030 CST Mason City (IA) 5NE to Spring Valley (MN) Cerro Gordo (IA)
Mitchell (IA)
Mower		 60 800 16 70 F4
  This tornado moved northeast from 5 miles northeast of Mason City, Iowa killing at least 3 people in northeast Cerro Gordo County.  At least four people died in homes 4 miles northeast of Osage as 13 farm houses wee destroyed in that county.  At Leroy, Minnesota, damage totalled $120,000 as four people were killed and 80 buildings were damaged or destroyed including 35 homes.  Entire farms were leveled southwest of Spring Vally.  Ten homes were destroyed, five people killed and 35 injured in the northwest part of Spring Valley as losses there totalled $60,000.
6 4 1890 1530 CST Chester (IA) Area Howard (IA) 10 150 0 18 F3
  The tornado moved northeast from 6 miles south southwest of Chester destroying a home and a school 3 miles south of Chester.   A teacher and 10 students were injured at the school and one student lingered near death for days.  Hogs were carried for up to 2 miles.  Bedding from one home was found in trees about 2 miles from its foundation.
6 28 1865 ? Amherst/Holt Township Line None ? ? ? 1 ?
  It moved east along the Amherst/Holt Township line destroying four homes and damaging several others.  The damage scene included "splinters, shingles, rails, and every conceivable article used about the farm or dwelling, together with shreds of torn garments, bed clothing, beds torn open and feathers filling the air like snow flakes.  Chickens and turkeys stripped of their feathers and lying dead in every direction.
* The data in this table came from Storm Data and Significant Tornadoes--1680-1991 by Thomas P. Grazulis.
 ** Injuries and Deaths are for the entire tornado track.

Last Updated Sunday, January 22, 2006 - Jeff Boyne

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