Osceola County tornado history

31 tornadoes touched Osceola County, Iowa between 1950 and 2025 — about 0.4 a year. The strongest was rated EF4 (Jun 25, 2010).

31tornadoes since 1950
EF4strongest rating
0killed · 19 injured
46.5 milongest path · 1971
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F015
(E)F12
(E)F29
(E)F33
(E)F41
(E)F50
unrated1

By month

JFMAMJJASOND

Peak month: June.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
Jun 25, 2010EF413.7 mi800 yd130
May 31, 1971F346.5 mi100 yd00
May 31, 1971F38.6 mi250 yd00
Aug 7, 1994F34.5 mi73 yd10
Jun 14, 1981F221.9 mi1,533 yd00
May 5, 1965F221.8 mi10 yd00
Jun 14, 1981F221.6 mi1,533 yd00
Jun 7, 1993F210 mi127 yd50
May 8, 1964F25.1 mi200 yd00
Aug 18, 2017EF25.1 mi250 yd00
Jun 6, 1982F22 mi67 yd00
Jul 9, 1966F21 mi200 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Aug 20, 2021EF03.6 mi30 yd00
Aug 8, 2021unrated0.8 mi40 yd00
Aug 8, 2021EF02.4 mi50 yd00
Aug 18, 2017EF11.6 mi100 yd00
Aug 18, 2017EF25.1 mi250 yd00
May 11, 2011EF00.5 mi50 yd00
Jun 26, 2010EF00.1 mi50 yd00
Jun 26, 2010EF00.1 mi50 yd00
Jun 25, 2010EF413.7 mi800 yd130
Jun 25, 2010EF00.2 mi50 yd00
Jun 11, 2008EF00.8 mi50 yd00
May 1, 2008EF00.1 mi50 yd00

Nearby counties

O'Brien County, IA36Nobles County, MN43Dickinson County, IA28Lyon County, IA45Jackson County, MN21Clay County, IA38Sioux County, IA51Rock County, MN16

Questions

How many tornadoes has Osceola County, Iowa had?

31 tornadoes touched Osceola County, Iowa between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.4 per year.

What was the strongest tornado in Osceola County?

The strongest rating recorded was EF4 on Jun 25, 2010, with a 13.7-mile path.

When is tornado season in Osceola County?

Most of its tornadoes happened in June (16 of 31). 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).