Box Elder County, Utah tornadoes
10confirmed tornadoes since NOAA records began in 1950 (the first here in 1962). Most recent: May 28, 2018, EF0. 2026 so far: 1 preliminary report 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 Box Elder County.
When tornadoes hit here
By month
August is the peak month, with 4 of 10 tornadoes.
By time of day
Most often around 2:00 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. This year so far: 1 preliminary reports.
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 10 tornadoes, newest first
| Date | Rating | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|
| May 28, 2018 | EF0 | 0.1 mi | 5 yd | 0 | 0 |
| May 3, 2009 | EF0 | 1 mi | 15 yd | 0 | 0 |
| Jul 25, 2007 | EF0 | 0.25 mi | 100 yd | 0 | 0 |
| Sep 10, 1991 | F0 | 0.2 mi | 10 yd | 0 | 0 |
| Aug 25, 1987 | F0 | 0.2 mi | 10 yd | 0 | 0 |
| Aug 16, 1984 | F0 | 0.1 mi | 10 yd | 0 | 0 |
| Aug 16, 1984 | F0 | 0.1 mi | 10 yd | 0 | 0 |
| Jun 5, 1970 | F0 | 0.1 mi | 10 yd | 0 | 0 |
| Aug 14, 1968 | F0 | 4.1 mi | 10 yd | 0 | 0 |
| Jul 9, 1962 | F0 | 0.1 mi | 10 yd | 0 | 0 |
2026 preliminary reports not yet confirmed
| Report date | Location | Rating |
|---|---|---|
| Apr 12, 2026 | 3 SE Snowville | Not yet rated |
Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.
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 12, 2026.