Winnebago County tornado history

26 tornadoes touched Winnebago County, Iowa between 1950 and 2025 — about 0.3 a year. The strongest was rated F2 (Jun 7, 1984).

26tornadoes since 1950
F2strongest rating
0killed · 8 injured
21 milongest path · 1984
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F08
(E)F110
(E)F27
(E)F30
(E)F40
(E)F50
unrated1

By month

JFMAMJJASOND

Peak month: June.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
Jun 7, 1984F221 mi150 yd10
Jun 7, 1984F218 mi127 yd00
May 9, 1963F213.1 mi400 yd00
May 17, 1982F213 mi80 yd00
Aug 9, 1999F211.5 mi40 yd00
Sep 20, 1980F210.2 mi60 yd00
Aug 2, 1990F27 mi63 yd00
Apr 26, 1984F18 mi10 yd50
Apr 2, 1967F17.2 mi200 yd20
Jun 7, 2008EF16.4 mi150 yd00
Jul 11, 1987F15 mi20 yd00
May 4, 1982F13 mi40 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Aug 17, 2025unrated0.4 mi35 yd00
Dec 15, 2021EF12.9 mi90 yd00
Jun 9, 2018EF12.8 mi80 yd00
Jul 27, 2016EF00.3 mi20 yd00
Jun 1, 2014EF01.1 mi25 yd00
May 4, 2012EF10.8 mi90 yd00
Jun 19, 2011EF00.2 mi30 yd00
Jun 17, 2010EF01.5 mi30 yd00
Jun 7, 2008EF16.4 mi150 yd00
Aug 9, 1999F211.5 mi40 yd00
Jun 6, 1995F00.1 mi13 yd00
Jul 7, 1994F00.5 mi33 yd00

Nearby counties

Hancock County, IA29Faribault County, MN41Worth County, IA25Kossuth County, IA41Freeborn County, MN68Cerro Gordo County, IA40Wright County, IA40Waseca County, MN28

Questions

How many tornadoes has Winnebago County, Iowa had?

26 tornadoes touched Winnebago County, Iowa between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in Winnebago County?

The strongest rating recorded was F2 on Jun 7, 1984, with a 21-mile path.

When is tornado season in Winnebago County?

Most of its tornadoes happened in June (10 of 26). Tornadoes can occur in any month, so keep alerts on year-round.

Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available (2004 onward).