Snohomish County, Washington tornadoes
7 confirmed tornadoes since NOAA records began in 1950 (the first here in 1970). Most recent: June 16, 2006, F0. 2026 so far: 0 preliminary reports preliminary
Every tornado path in the county
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.
At a glance
Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Snohomish County.
When tornadoes hit here
By month
May is the peak month, with 2 of 7 tornadoes.
By time of day
Most often around 6:00 AM. 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
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
All 7 tornadoes, newest first
| Date | Rating | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|
| Jun 16, 2006 | F0 | 0.5 mi | 50 yd | 0 | 0 |
| May 18, 2005 | F1 | 0.2 mi | 10 yd | 0 | 0 |
| Jun 5, 2004 | F0 | 0.1 mi | 10 yd | 0 | 0 |
| Aug 24, 1997 | F0 | 0.5 mi | 20 yd | 0 | 0 |
| May 13, 1986 | F2 | 0.3 mi | 10 yd | 0 | 0 |
| Oct 26, 1971 | F1 | 3 mi | 100 yd | 0 | 0 |
| Nov 24, 1970 | F2 | 0.3 mi | 30 yd | 0 | 0 |
Nearby counties
Free tornado alerts for Snohomish County
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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 12, 2026.