Arizona hail history
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Arizona had hail reported on 161 days from 2016 to 2025, about 16 a year, and on 709 days since 1955. The largest hailstone on record in the state is 4.50″ (September 27, 1995). Pima County had the most hail days of any county from 2016 to 2025 (40).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Report counts rose over the decades as more people and spotters reported storms, so compare recent years with each other rather than with the 1960s.
Arizona cities with the most hail days, 2016–2025
| City | Hail days 2016–25 | 1″+ hail days | Largest hail | Last hail |
|---|---|---|---|---|
| Prescott | 10 | 10 | 1.75″ | Jul 11, 2024 |
| Tempe | 6 | 5 | 1.75″ | Oct 20, 2026 |
| Sierra Vista | 5 | 4 | 1.50″ | Jun 24, 2026 |
| Guadalupe | 5 | 5 | 1.75″ | Nov 19, 2025 |
| Tucson | 5 | 5 | 1.50″ | Oct 11, 2025 |
| Queen Creek | 5 | 3 | 1.75″ | Oct 15, 2022 |
| Mesa | 5 | 2 | 1.50″ | Mar 18, 2024 |
| Paradise Valley | 5 | 2 | 2.00″ | Sep 26, 2025 |
| Payson | 4 | 4 | 3.00″ | Aug 31, 2023 |
| Phoenix | 4 | 3 | 2.00″ | Oct 21, 2026 |
| Willcox | 4 | 4 | 1.75″ | Aug 21, 2024 |
| Chandler | 4 | 3 | 1.00″ | Sep 26, 2025 |
| Apache Junction | 4 | 2 | 2.00″ | Oct 13, 2025 |
| Flagstaff | 3 | 3 | 1.75″ | Oct 21, 2026 |
| Cottonwood | 3 | 3 | 2.00″ | Jul 3, 2025 |
| Glendale | 3 | 2 | 2.00″ | Oct 21, 2026 |
| Sedona | 3 | 2 | 2.00″ | Sep 16, 2019 |
| Thatcher | 3 | 3 | 2.50″ | Sep 5, 2021 |
| Peoria | 3 | 2 | 2.75″ | Oct 23, 2018 |
| South Tucson | 2 | 2 | 3.00″ | Aug 21, 2024 |
Biggest hail days in Arizona since 2016
| Day | Largest hail | Reports |
|---|---|---|
| October 22, 2026 | 3.00″ | 15 |
| September 12, 2025 | 2.75″ | 6 |
| September 1, 2018 | 2.75″ | 4 |
| August 16, 2021 | 2.50″ | 4 |
| October 8, 2016 | 2.50″ | 1 |
| October 21, 2026 | 2.00″ | 8 |
| October 15, 2022 | 2.00″ | 7 |
| September 7, 2021 | 2.00″ | 4 |
| October 20, 2026 | 2.00″ | 4 |
| August 9, 2018 | 2.00″ | 2 |
| October 13, 2025 | 2.00″ | 2 |
| September 26, 2025 | 1.75″ | 18 |
The largest hail and the biggest storm days since 1955, with radar swaths since 2019: Biggest hail storms in Arizona history
Arizona counties
| County | Hail days 2016–25 | All-time hail reports | Largest hail | Last hail |
|---|---|---|---|---|
| Pima County | 40 | 184 | 3.00″ | Oct 22, 2026 |
| Maricopa County | 37 | 223 | 3.00″ | Oct 21, 2026 |
| Yavapai County | 35 | 183 | 4.50″ | Oct 22, 2026 |
| Coconino County | 26 | 174 | 2.75″ | Oct 22, 2026 |
| Cochise County | 24 | 129 | 2.00″ | Oct 22, 2026 |
| Pinal County | 19 | 77 | 2.00″ | Oct 13, 2025 |
| Mohave County | 17 | 83 | 1.75″ | Aug 30, 2026 |
| Gila County | 13 | 69 | 3.00″ | Oct 21, 2026 |
| Navajo County | 13 | 65 | 2.75″ | Oct 22, 2026 |
| Santa Cruz County | 12 | 45 | 3.00″ | Oct 22, 2026 |
| Graham County | 6 | 22 | 4.00″ | Oct 22, 2026 |
| Apache County | 5 | 21 | 1.75″ | Oct 22, 2026 |
| Yuma County | 1 | 21 | 1.50″ | Oct 6, 2022 |
| La Paz County | 1 | 9 | 1.75″ | Aug 2, 2018 |
| Greenlee County | 0 | 11 | 1.75″ | Oct 22, 2026 |
Places with fewer than 5 hail days on record are listed without a link and kept out of search engines.
When hail falls in Arizona, by month and week: Arizona hail season
Download every Arizona hail, tornado and wind report as CSV, by year: Arizona storm report downloads
All Arizona cities
Apache Junction Benson Bisbee Bullhead City Camp Verde Casa Grande Chandler Chino Valley Clarkdale Colorado City Cottonwood Dewey-Humboldt Douglas Flagstaff Glendale Globe Guadalupe Kingman Mesa Oro Valley Paradise Valley Payson Peoria Phoenix Pinetop-Lakeside Prescott Prescott Valley Queen Creek Safford Sahuarita Sedona Show Low Sierra Vista Snowflake South Tucson Tempe Thatcher Tolleson Tucson Wickenburg Willcox Williams Winslow
Guides: How to check if it hailed at your address · Hail size chart and roof damage