Oregon tornadoes

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136 confirmed tornadoes since 1950. Most recent: August 6, 2025, EFU. 2026 so far: 0 preliminary reports preliminary

Counties with the most tornadoes

County	Tornadoes since 1950	Per 1,000 sq mi
Marion County	11	9
Umatilla County	9	3
Clackamas County	8	4
Harney County	7	1
Lane County	7	2
Tillamook County	7	6
Wallowa County	7	2
Washington County	7	10
Deschutes County	6	2
Malheur County	6	1
Multnomah County	6	14
Baker County	5	2
Clatsop County	5	6
Columbia County	5	8
Klamath County	5	1

When tornadoes hit here

By month

June is the peak month, with 25 of 136 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

104

EF1

EF2

EF3

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

Deadliest

Most recent tornadoes

Tornadoes, newest first
Date	Rating	Path length	Width	Injuries
Aug 6, 2025	EFU	0.09 mi	30 yd	0
Jul 28, 2025	EF0	0.05 mi	10 yd	0
Nov 11, 2024	EF0	0.25 mi	150 yd	0
Oct 31, 2024	EF0	0.16 mi	20 yd	0
Mar 5, 2024	EF0	0.15 mi	3 yd	0
Nov 5, 2023	EF0	0.23 mi	75 yd	0
Jun 27, 2023	EF0	0.11 mi	10 yd	0
Jun 27, 2023	EF0	2.13 mi	50 yd	0
Jun 18, 2023	EF0	0.3 mi	150 yd	0
Oct 24, 2022	EF0	0.04 mi	17 yd	0
Oct 22, 2022	EF0	0.87 mi	248 yd	0
Jun 11, 2022	EFU	0.02 mi	15 yd	0
May 6, 2022	EF1	2.87 mi	175 yd	0
Nov 10, 2020	EF0	1.7 mi	200 yd	0
Jun 13, 2020	EF0	2 mi	200 yd	0
Sep 8, 2019	EF0	0.11 mi	120 yd	0
Jul 1, 2019	EF0	1.6 mi	40 yd	0
Jun 1, 2019	EF0	1.29 mi	10 yd	0
May 28, 2019	EF0	0.01 mi	10 yd	0
Oct 29, 2018	EF0	0.1 mi	10 yd	0
Oct 29, 2018	EF0	0.07 mi	20 yd	0
Oct 28, 2018	EF0	1.15 mi	20 yd	0
Oct 12, 2017	EF0	0.62 mi	50 yd	0
Sep 19, 2017	EF1	0.69 mi	167 yd	0
Apr 13, 2017	EF0	0.07 mi	10 yd	0
Oct 14, 2016	EFU	0.01 mi	10 yd	0
Oct 14, 2016	EF2	0.7 mi	225 yd	0
Jul 12, 2016	EF0	1 mi	50 yd	0
Jun 8, 2016	EF0	0.21 mi	50 yd	0
Apr 14, 2015	EF0	0.1 mi	20 yd	0
Jun 18, 2013	EF0	0.1 mi	10 yd	0
Jun 13, 2013	EF1	0.25 mi	53 yd	0
May 9, 2013	EF0	0.1 mi	10 yd	0
Apr 14, 2011	EF0	0.16 mi	10 yd	0
Dec 14, 2010	EF2	5 mi	150 yd	2
Oct 24, 2010	EF0	1 mi	50 yd	0
Nov 6, 2009	EF0	0.09 mi	80 yd	0
Oct 26, 2009	EF0	0.35 mi	60 yd	0
Jun 4, 2009	EF0	1.5 mi	150 yd	0
May 6, 2009	EF0	0.24 mi	10 yd	0
May 6, 2009	EF1	1.61 mi	40 yd	0
Sep 28, 2007	EF0	1 mi	350 yd	0
Apr 17, 2007	EF0	1 mi	10 yd	0
Dec 16, 2006	F0	1.5 mi	50 yd	0
Aug 21, 2006	F0	0.2 mi	20 yd	0
Jun 13, 2006	F0	1 mi	10 yd	0
May 19, 2006	F1	0.1 mi	20 yd	0
Aug 21, 2005	F0	1 mi	10 yd	0
Jul 19, 2004	F1	2.2 mi	100 yd	0
Jun 23, 2004	F0	0.1 mi	3 yd	0
Jun 18, 2004	F0	0.1 mi	20 yd	0
Jun 9, 2004	F0	0.5 mi	20 yd	0
Jun 6, 2004	F0	0.5 mi	30 yd	0
May 23, 2004	F0	0.1 mi	10 yd	0
Apr 17, 2004	F0	0.2 mi	n/a	0
Oct 4, 2003	F0	0.2 mi	10 yd	0
Jun 21, 2003	F1	0.3 mi	30 yd	0
Nov 9, 2002	F0	0.5 mi	n/a	0
Jul 13, 2002	F0	0.2 mi	10 yd	0
Sep 25, 2001	F0	2 mi	50 yd	0
Aug 9, 2001	F0	0.2 mi	50 yd	0
Aug 9, 2001	F0	0.5 mi	100 yd	0
May 23, 2001	F0	1 mi	50 yd	0
Oct 9, 2000	F1	0.1 mi	70 yd	0
Oct 9, 2000	F1	0.1 mi	70 yd	0
Apr 28, 2000	F0	0.1 mi	10 yd	1
Dec 2, 1999	F0	2.3 mi	n/a	1
Oct 3, 1998	F0	0.3 mi	30 yd	0
Oct 3, 1998	F0	0.1 mi	30 yd	0
Jan 5, 1998	F0	0.1 mi	30 yd	0
Sep 18, 1997	F0	0.5 mi	10 yd	0
Sep 18, 1997	F0	0.5 mi	10 yd	0
Sep 17, 1997	F0	0.5 mi	10 yd	0
Sep 17, 1997	F0	1 mi	50 yd	0
Sep 15, 1997	F0	0.2 mi	50 yd	0
Sep 15, 1997	F0	0.5 mi	10 yd	0
Sep 15, 1997	F0	0.3 mi	13 yd	0
Sep 15, 1997	F0	0.2 mi	10 yd	0
Sep 3, 1997	F0	1 mi	100 yd	0
Jun 17, 1997	F0	0.2 mi	50 yd	0
Jun 1, 1997	F0	1.5 mi	23 yd	0
May 31, 1997	F0	1.5 mi	50 yd	0
Apr 30, 1997	F0	1 mi	20 yd	0
Apr 30, 1997	F1	3 mi	30 yd	0
Dec 5, 1996	F0	0.5 mi	40 yd	0
Oct 24, 1996	F0	0.1 mi	40 yd	0
Sep 15, 1996	F0	1.5 mi	60 yd	1
May 17, 1996	F0	0.1 mi	10 yd	0
Jul 9, 1995	F0	0.1 mi	10 yd	0
May 30, 1995	F0	0.1 mi	10 yd	0
May 11, 1995	F0	0.1 mi	10 yd	0
Mar 11, 1995	F0	0.1 mi	10 yd	0
Mar 22, 1994	F0	0.1 mi	10 yd	0
Feb 13, 1994	F0	0.1 mi	13 yd	0
Dec 8, 1993	F2	6 mi	120 yd	0
Jul 16, 1993	F0	0.5 mi	20 yd	0
Jul 22, 1992	F0	0.5 mi	100 yd	0
Nov 12, 1991	F0	0.1 mi	20 yd	0
Nov 12, 1991	F1	0.2 mi	40 yd	0
Nov 12, 1991	F1	0.2 mi	30 yd	0

Every Oregon 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.