Plymouth County tornado history

52 tornadoes touched Plymouth County, Iowa between 1950 and 2025 — about 0.7 a year. The strongest was rated F3 (May 5, 1964).

52tornadoes since 1950
F3strongest rating
0killed · 13 injured
67 milongest path · 1964
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F018
(E)F116
(E)F212
(E)F34
(E)F40
(E)F50
unrated2

By month

JFMAMJJASOND

Peak month: June.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
May 5, 1964F367 mi300 yd70
Jun 7, 1965F311.5 mi100 yd00
May 8, 1964F39.3 mi200 yd00
Jun 14, 1967F36.2 mi500 yd30
Jul 5, 1978F220.8 mi30 yd00
Jun 12, 1994F217.5 mi370 yd00
Jun 7, 1953F211.3 mi200 yd00
Aug 7, 1991F28 mi80 yd00
Sep 7, 1964F27.9 mi200 yd00
May 27, 1954F22.3 mi200 yd00
Mar 16, 1963F22 mi200 yd00
Jun 9, 1963F22 mi10 yd20

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Apr 16, 2024unrated—10 yd00
Apr 16, 2024unrated—10 yd00
Apr 16, 2024EF11.3 mi25 yd00
Dec 15, 2021EF13.7 mi75 yd00
May 28, 2016EF00.1 mi25 yd00
Oct 23, 2015EF00.1 mi50 yd00
Oct 4, 2013EF16.5 mi800 yd00
Oct 4, 2013EF11.1 mi100 yd00
Oct 4, 2013EF01.3 mi50 yd00
Jun 20, 2011EF00.9 mi100 yd00
Jun 4, 2005F01 mi50 yd00
Aug 17, 2001F00.1 mi5 yd00

Nearby counties

Union County, SD24Sioux County, IA51Woodbury County, IA57Cherokee County, IA30Dakota County, NE9Dixon County, NE27O'Brien County, IA36Clay County, SD31

Questions

How many tornadoes has Plymouth County, Iowa had?

52 tornadoes touched Plymouth County, Iowa between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.7 per year.

What was the strongest tornado in Plymouth County?

The strongest rating recorded was F3 on May 5, 1964, with a 67-mile path.

When is tornado season in Plymouth County?

Most of its tornadoes happened in June (16 of 52). 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).