Polk County tornado history

70 tornadoes touched Polk County, Iowa between 1950 and 2025 — about 0.9 a year. The strongest was rated EF4 (Mar 5, 2022). Tornadoes here killed 8 and injured 161 people.

70tornadoes since 1950
EF4strongest rating
8killed · 161 injured
116 milongest path · 1953
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F034
(E)F116
(E)F214
(E)F30
(E)F43
(E)F50
unrated3

By month

JFMAMJJASOND

Peak month: May.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
Mar 5, 2022EF470.6 mi900 yd56
Jun 18, 1974F415.3 mi400 yd502
Sep 28, 1986F420 mi250 yd00
Jun 7, 1953F2116 mi200 yd00
May 21, 2024EF240.8 mi1,000 yd40
Jun 29, 1998F234.1 mi100 yd850
Apr 8, 1999F232 mi—00
Mar 13, 1990F215 mi60 yd150
Oct 14, 1966F213.5 mi50 yd00
Jun 11, 1966F212.2 mi150 yd00
Apr 26, 2024EF27.6 mi150 yd10
Jun 29, 1986F25 mi50 yd00

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Jul 15, 2024EF16.9 mi300 yd00
Jun 25, 2024unrated0.1 mi30 yd00
May 24, 2024EF09.2 mi80 yd00
May 24, 2024EF03.2 mi100 yd00
May 24, 2024EF01.5 mi50 yd00
May 21, 2024EF240.8 mi1,000 yd40
Apr 26, 2024EF27.6 mi150 yd10
Apr 23, 2022EF19.1 mi80 yd00
Apr 23, 2022unrated3.9 mi60 yd00
Apr 23, 2022EF02.4 mi75 yd00
Mar 5, 2022EF470.6 mi900 yd56
May 25, 2020EF11.6 mi50 yd00

Deadliest: Mar 5, 2022, EF4, 6 killed.

Nearby counties

Dallas County, IA60Warren County, IA49Story County, IA66Jasper County, IA47Boone County, IA58Madison County, IA38Marion County, IA47Marshall County, IA39

Questions

How many tornadoes has Polk County, Iowa had?

70 tornadoes touched Polk County, Iowa between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.9 per year.

What was the strongest tornado in Polk County?

The strongest rating recorded was EF4 on Mar 5, 2022, with a 70.6-mile path and 6 deaths.

When is tornado season in Polk County?

Most of its tornadoes happened in May (22 of 70). 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).