Idaho tornadoes

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226 confirmed tornadoes since 1950. Most recent: October 27, 2025, EF0. 2026 so far: 0 preliminary reports preliminary

Counties with the most tornadoes

County	Tornadoes since 1950	Per 1,000 sq mi
Bingham County	20	10
Jefferson County	19	17
Power County	17	12
Ada County	13	12
Twin Falls County	12	6
Cassia County	10	4
Butte County	8	4
Clark County	8	5
Bannock County	7	6
Blaine County	7	3
Bonneville County	6	3
Canyon County	6	10
Gooding County	6	8
Jerome County	6	10
Madison County	6	13

When tornadoes hit here

By month

June is the peak month, with 54 of 226 tornadoes.

By time of day

Most often around 4:00 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

154

EF1

EF2

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.

Notable tornadoes

Longest path

15 miles, F1

March 23, 1988

Most recent tornadoes

Tornadoes, newest first
Date	Rating	Path length	Width	Injuries
Oct 27, 2025	EF0	0.14 mi	50 yd	0
Apr 1, 2025	EFU	0.1 mi	10 yd	0
Jul 25, 2024	EF0	0.55 mi	30 yd	0
Jun 23, 2023	EF0	0.2 mi	10 yd	0
May 27, 2023	EF0	5.04 mi	3 yd	0
May 26, 2023	EF0	0.95 mi	3 yd	0
May 26, 2023	EF0	0.2 mi	10 yd	0
May 27, 2022	EF0	3.77 mi	35 yd	0
Aug 2, 2019	EF0	1 mi	10 yd	0
Jun 2, 2019	EF0	1 mi	45 yd	0
May 27, 2019	EF0	0.52 mi	10 yd	0
May 26, 2019	EF0	1.8 mi	100 yd	0
May 7, 2019	EF0	1.51 mi	10 yd	0
Jun 21, 2018	EF0	5.1 mi	80 yd	0
May 31, 2018	EF0	3 mi	10 yd	0
May 31, 2018	EF1	12 mi	25 yd	0
Apr 7, 2018	EF0	0.5 mi	10 yd	0
Nov 17, 2017	EF0	5 mi	20 yd	0
Jul 31, 2016	EF0	1.68 mi	10 yd	0
Jun 30, 2016	EF0	1.46 mi	50 yd	0
Jul 11, 2015	EF0	7.44 mi	10 yd	0
Aug 20, 2014	EF0	0.1 mi	5 yd	0
May 21, 2014	EF0	3 mi	20 yd	0
May 10, 2014	EF0	0.02 mi	15 yd	0
Sep 17, 2013	EF0	0.5 mi	10 yd	0
Sep 17, 2013	EF0	0.5 mi	10 yd	0
Jul 7, 2013	EF0	1 mi	10 yd	0
May 26, 2013	EF0	3.92 mi	50 yd	0
May 8, 2013	EF0	1 mi	20 yd	0
May 7, 2013	EF0	1.17 mi	5 yd	0
Sep 1, 2012	EF0	1 mi	20 yd	0
Sep 1, 2012	EF0	1 mi	20 yd	0
Jun 23, 2011	EF0	0.5 mi	50 yd	0
Mar 16, 2011	EF0	7.36 mi	10 yd	0
Oct 7, 2010	EF0	0.39 mi	30 yd	0
Oct 7, 2010	EF0	1 mi	5 yd	0
Jun 21, 2009	EF0	0.12 mi	20 yd	0
Apr 8, 2009	EF0	0.25 mi	20 yd	0
Jul 22, 2008	EF0	1 mi	25 yd	0
Apr 24, 2008	EF0	0.12 mi	20 yd	0
Sep 5, 2007	EF0	7.52 mi	50 yd	0
Aug 17, 2007	EF0	0.2 mi	50 yd	0
Jun 29, 2007	EF0	0.25 mi	50 yd	0
Oct 4, 2006	F0	1 mi	70 yd	0
Oct 4, 2006	F0	3 mi	60 yd	0
Oct 4, 2006	F0	0.5 mi	70 yd	0
Oct 4, 2006	F0	0.1 mi	50 yd	0
Oct 4, 2006	F0	0.2 mi	50 yd	0
Aug 21, 2006	F0	0.1 mi	25 yd	0
Jun 4, 2006	F2	12 mi	1,760 yd	1
Apr 4, 2006	F0	0.4 mi	25 yd	0
Mar 25, 2006	F0	2 mi	200 yd	0
Jun 4, 2005	F0	0.2 mi	30 yd	0
May 29, 2005	F0	0.5 mi	30 yd	0
May 28, 2005	F0	0.3 mi	35 yd	0
May 9, 2005	F0	0.5 mi	30 yd	0
May 5, 2005	F0	0.4 mi	50 yd	0
May 5, 2005	F0	0.5 mi	75 yd	0
Aug 25, 2004	F0	n/a	16 yd	0
Aug 25, 2004	F0	n/a	16 yd	0
Jul 2, 2004	F0	0.2 mi	20 yd	0
Jun 25, 2004	F0	4 mi	n/a	0
Jun 24, 2004	F0	1 mi	20 yd	0
Apr 28, 2003	F0	2.5 mi	200 yd	0
Apr 28, 2003	F0	0.2 mi	100 yd	0
Apr 28, 2003	F0	0.2 mi	50 yd	0
Apr 6, 2003	F0	1 mi	7 yd	0
Sep 29, 2002	F0	1 mi	10 yd	0
Jun 1, 2002	F1	2.5 mi	70 yd	0
Feb 7, 2002	F0	0.1 mi	20 yd	0
Sep 13, 2001	F0	1 mi	10 yd	0
Jul 15, 2001	F0	0.4 mi	20 yd	0
Dec 15, 2000	F0	1 mi	30 yd	0
Sep 1, 2000	F0	2 mi	10 yd	0
Aug 3, 2000	F0	0.1 mi	10 yd	0
Aug 3, 2000	F0	0.1 mi	10 yd	0
Aug 3, 2000	F0	0.1 mi	10 yd	0
Aug 3, 2000	F0	n/a	n/a	0
Jul 18, 2000	F0	0.1 mi	10 yd	0
Jul 17, 2000	F0	2 mi	10 yd	0
Feb 14, 2000	F1	9 mi	200 yd	1
Feb 14, 2000	F1	12 mi	200 yd	0
Feb 14, 2000	F0	5 mi	50 yd	0
Feb 14, 2000	F1	14 mi	300 yd	0
Feb 14, 2000	F0	9 mi	100 yd	0
Jul 20, 1999	F1	2.5 mi	n/a	0
Jul 10, 1998	F0	0.2 mi	50 yd	1
Jun 16, 1998	F0	0.1 mi	30 yd	0
Jun 10, 1998	F0	0.1 mi	30 yd	0
Jun 8, 1998	F0	0.2 mi	30 yd	0
May 12, 1998	F0	1 mi	50 yd	0
May 10, 1998	F0	2 mi	50 yd	0
Apr 23, 1998	F0	0.5 mi	50 yd	0
Jun 30, 1997	F0	0.2 mi	23 yd	0
May 31, 1997	F1	4 mi	200 yd	0
May 31, 1997	F0	0.1 mi	20 yd	0
May 31, 1997	F0	0.1 mi	23 yd	0
May 31, 1997	F2	5 mi	50 yd	0
Apr 20, 1997	F0	0.2 mi	30 yd	0
Jul 9, 1996	F0	0.1 mi	50 yd	0

Every Idaho county

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025. A tornado that crossed a state line counts in each state it touched.