28 tornadoes touched Pima County, Arizona between 1950 and 2025 — about 0.4 a year. The strongest was rated F2 (Aug 27, 1964). Tornadoes here killed 3 and injured 53 people.
Peak month: July.
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| Aug 27, 1964 | F2 | 0.1 mi | 10 yd | 9 | 2 |
| Jul 28, 1994 | F2 | 2 mi | 23 yd | 0 | 0 |
| Jun 23, 1974 | F1 | 1 mi | 50 yd | 40 | 1 |
| Jul 2, 2024 | EF1 | 3.3 mi | 150 yd | 0 | 0 |
| Jul 6, 1992 | F1 | 2.8 mi | 10 yd | 1 | 0 |
| Dec 23, 1975 | F1 | 2 mi | 33 yd | 0 | 0 |
| Aug 16, 1969 | F1 | 1 mi | 10 yd | 0 | 0 |
| Aug 24, 1991 | F1 | 1 mi | 20 yd | 2 | 0 |
| Jul 27, 1961 | F1 | 0.1 mi | 10 yd | 1 | 0 |
| Sep 1, 1971 | F1 | 0.1 mi | 10 yd | 0 | 0 |
| Jul 16, 1984 | F1 | 0.1 mi | 20 yd | 0 | 0 |
| Jul 16, 1984 | F1 | 0.1 mi | 20 yd | 0 | 0 |
| Date | Rating | Path | Width | Injured | Killed |
|---|---|---|---|---|---|
| Sep 16, 2025 | unrated | — | 1 yd | 0 | 0 |
| Sep 12, 2025 | unrated | — | 1 yd | 0 | 0 |
| Jul 2, 2024 | EF1 | 3.3 mi | 150 yd | 0 | 0 |
| Aug 13, 2023 | EF0 | 0.1 mi | 25 yd | 0 | 0 |
| Aug 25, 2022 | EF0 | 0.1 mi | 10 yd | 0 | 0 |
| Jul 2, 2021 | unrated | 0.6 mi | 10 yd | 0 | 0 |
| Aug 10, 2019 | EF0 | 0.2 mi | 10 yd | 0 | 0 |
| Jul 14, 2017 | EF0 | 0.1 mi | 10 yd | 0 | 0 |
| Aug 29, 2015 | EF0 | 0.4 mi | 15 yd | 0 | 0 |
| Oct 8, 2006 | F0 | — | 12 yd | 0 | 0 |
| Jul 31, 2005 | F0 | 0.5 mi | 2 yd | 0 | 0 |
| Aug 14, 1996 | F0 | 1 mi | 10 yd | 0 | 0 |
Deadliest: Aug 27, 1964, F2, 2 killed.
28 tornadoes touched Pima County, Arizona between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.4 per year.
The strongest rating recorded was F2 on Aug 27, 1964, with a 0.1-mile path and 2 deaths.
Most of its tornadoes happened in July (9 of 28). Tornadoes can occur in any month, so keep alerts on year-round.
Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available (2004 onward).