Harper County, Kansas tornadoes

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67confirmed tornadoes since NOAA records began in 1950 (the first here in 1953). Most recent: June 17, 2025, EF0. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Fromto

Tornado paths, 1950 to 2025

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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Harper County

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The record

At a glance

Total671950 to 2025

Per year0.9average since 1950

Peak monthMay33 of 67

StrongestF4May 12, 2004

Deaths0whole paths, see note

Injuries1whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Harper County.

Seasons

When tornadoes hit here

By month

May is the peak month, with 33 of 67 tornadoes.

By time of day

Most often around 7:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0

EF1

EF2

EF3

EF4

Unknown

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Strongest

All 67 tornadoes, newest first

Tornadoes, newest first
Date	Rating	Path length	Width	Injuries
Jun 17, 2025	EF0	0.06 mi	10 yd	0
May 25, 2024	EF2	6.7 mi	100 yd	0
Jun 23, 2019	EFU	0.56 mi	50 yd	0
Jun 23, 2019	EFU	0.81 mi	50 yd	0
May 6, 2015	EF0	0.25 mi	50 yd	0
Dec 14, 2014	EF0	5.98 mi	100 yd	0
May 19, 2012	EF3	9.68 mi	150 yd	0
May 19, 2012	EF3	9.72 mi	100 yd	0
Apr 14, 2012	EF1	22.33 mi	1,000 yd	0
Mar 7, 2009	EF0	0.53 mi	75 yd	0
Mar 7, 2009	EF0	0.5 mi	75 yd	0
May 6, 2007	EF0	1 mi	50 yd	0
Mar 21, 2005	F0	0.5 mi	55 yd	0
May 29, 2004	F1	2.5 mi	440 yd	0
May 29, 2004	F0	0.5 mi	40 yd	0
May 29, 2004	F2	8 mi	500 yd	0
May 29, 2004	F1	6 mi	75 yd	0
May 29, 2004	F0	0.5 mi	40 yd	0
May 12, 2004	F1	3.5 mi	100 yd	0
May 12, 2004	F2	1 mi	100 yd	0
May 12, 2004	F2	2 mi	300 yd	0
May 12, 2004	F1	1.5 mi	75 yd	0
May 12, 2004	F0	1.2 mi	75 yd	0
May 12, 2004	F4	1.2 mi	500 yd	1
May 12, 2004	F0	1 mi	50 yd	0
May 12, 2004	F1	4 mi	125 yd	0
May 12, 2004	F2	1.8 mi	200 yd	0
May 12, 2004	F0	0.3 mi	50 yd	0
Jul 9, 2003	F0	1 mi	75 yd	0
Jun 12, 2002	F0	3 mi	110 yd	0
May 8, 2002	F0	2 mi	220 yd	0
Jun 5, 2001	F0	1 mi	110 yd	0
Jun 3, 2001	F0	1 mi	110 yd	0
Apr 5, 1999	F0	2 mi	n/a	0
May 24, 1998	F0	1 mi	50 yd	0
May 25, 1997	F0	1 mi	50 yd	0
May 25, 1997	F0	0.5 mi	50 yd	0
May 25, 1997	F0	1 mi	50 yd	0
Mar 8, 1992	F0	0.2 mi	10 yd	0
Apr 26, 1991	F0	16 mi	50 yd	0
Apr 26, 1991	F0	1 mi	50 yd	0
Apr 17, 1991	F0	1 mi	50 yd	0
May 25, 1990	F1	10 mi	50 yd	0
Mar 13, 1990	F1	12 mi	50 yd	0
May 10, 1986	F0	0.2 mi	50 yd	0
Apr 26, 1984	F0	0.1 mi	10 yd	0
Apr 26, 1984	F0	0.1 mi	10 yd	0
Jun 30, 1981	F0	0.5 mi	17 yd	0
Jun 30, 1981	F0	0.5 mi	17 yd	0
May 17, 1981	F1	7.2 mi	100 yd	0
Jun 16, 1975	F1	13.7 mi	33 yd	0
Apr 20, 1974	F0	0.3 mi	17 yd	0
Oct 18, 1973	F1	0.4 mi	100 yd	0
Oct 11, 1973	F1	0.5 mi	100 yd	0
Jun 10, 1970	F0	0.1 mi	100 yd	0
May 13, 1969	F0	0.1 mi	10 yd	0
Jun 11, 1967	F2	32.2 mi	10 yd	0
Sep 5, 1965	F0	0.1 mi	10 yd	0
May 5, 1964	F3	33 mi	660 yd	0
May 17, 1959	F2	2 mi	400 yd	0
May 4, 1959	F2	11.2 mi	50 yd	0
Jun 30, 1957	F0	0.1 mi	10 yd	0
Apr 2, 1956	F0	0.1 mi	10 yd	0
May 27, 1955	F1	0.1 mi	10 yd	0
Apr 27, 1955	F0	0.1 mi	10 yd	0
Jun 14, 1954	F0	4.5 mi	10 yd	0
Mar 30, 1953	F0	16.1 mi	10 yd	0

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Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.