National Weather ServiceArizonaTornado WarningArchive to October 1, 2026
Tornado Warnings in Arizona
The National Weather Service issued 2 tornado warnings for Arizona in 2025 and 5 a year on average in 2008-2025; in 2021-2025 it had the 37th most of any state. 2026 through September: 4, 41% above the average of 3 for those months in 2008-2025. Coconino was covered most often (44 times since 2008).
How many tornado warnings does Arizona get?
Every tornado warning that covered part of Arizona. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 4 |
| 2025 | 2 |
| 2024 | 7 |
| 2023 | 2 |
| 2022 | 4 |
| 2021 | 8 |
| 2020 | 1 |
| 2019 | 7 |
| 2018 | 3 |
| 2017 | 2 |
| 2016 | 3 |
| 2015 | 7 |
| 2014 | 0 |
| 2013 | 0 |
| 2012 | 5 |
| 2011 | 11 |
| 2010 | 33 |
| 2009 | 0 |
| 2008 | 2 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Arizona get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Arizona?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Coconino | 44 | 1 | October 13, 2025 |
| Yavapai | 20 | 1 | August 11, 2024 |
| Pima | 15 | 6 | August 4, 2026 |
| Navajo | 14 | 0 | October 6, 2021 |
| Pinal | 10 | 1 | July 15, 2024 |
| Gila | 8 | 1 | November 3, 2024 |
| Maricopa | 8 | 0 | November 29, 2019 |
| Cochise | 6 | 4 | August 6, 2026 |
| Mohave | 4 | 1 | March 16, 2023 |
| Apache | 2 | 1 | September 12, 2025 |
| Graham | 2 | 1 | August 21, 2024 |
| La Paz | 1 | 0 | January 21, 2010 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
The latest tornado warnings for Arizona in AreaZine's record
NWS TucsonWarningAugust 5, 2026
Tornado Warning: Cochise, AZ
Expired 8:00 p.m. PDT, August 5, 2026
NWS TucsonWarningAugust 3, 2026
Tornado Warning: Pima, AZ
Expired 10:30 p.m. PDT, August 3, 2026
This list is AreaZine's record of the NWS alert feed, kept since April 6, 2026; the counts above come from the complete IEM archive.
Source: National Weather Service alerts (api.weather.gov).
What is a tornado warning?
The NWS issues a tornado warning when a tornado has been seen or weather radar indicates one in the warned area. Warnings are drawn as polygons around the storm's path and usually last 30 to 60 minutes. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Arizona.