National Weather ServiceArizonaWinter Weather AdvisoryArchive to October 1, 2026
Winter Weather Advisories in Arizona
The National Weather Service issued 19 winter weather advisories for Arizona in 2025 and 26 a year on average in 2008-2025; in 2021-2025 it had the 35th most of any state. 2026 through September: 9, 44% below the average of 16 for those months in 2008-2025. Western Mogollon Rim was covered most often (136 times since 2008).
How many winter weather advisories does Arizona get?
Every winter weather advisory that covered part of Arizona. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 9 |
| 2025 | 19 |
| 2024 | 36 |
| 2023 | 39 |
| 2022 | 17 |
| 2021 | 29 |
| 2020 | 11 |
| 2019 | 32 |
| 2018 | 26 |
| 2017 | 19 |
| 2016 | 22 |
| 2015 | 24 |
| 2014 | 9 |
| 2013 | 29 |
| 2012 | 31 |
| 2011 | 39 |
| 2010 | 42 |
| 2009 | 24 |
| 2008 | 16 |
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 |
|---|---|---|---|
| Western Mogollon Rim | 136 | 27 | February 17, 2026 |
| Kaibab Plateau | 130 | 27 | February 17, 2026 |
| Eastern Mogollon Rim | 125 | 24 | February 20, 2026 |
| White Mountains | 116 | 28 | February 17, 2026 |
| Chuska Mountains and Defiance Plateau | 112 | 29 | February 18, 2026 |
| Grand Canyon Country | 90 | 24 | February 20, 2026 |
| Black Mesa Area | 87 | 18 | February 18, 2026 |
| Coconino Plateau | 83 | 22 | February 20, 2026 |
| White Mountains of Graham and Greenlee Counties including Hannagan Meadow | 79 | 22 | January 24, 2026 |
| Galiuro and Pinaleno Mountains including Mount Graham | 74 | 21 | January 24, 2026 |
| Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | 71 | 20 | January 24, 2026 |
| Northern Gila County | 61 | 11 | March 14, 2025 |
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.
What is a winter weather advisory?
A winter weather advisory covers snow, sleet or freezing rain that will be a nuisance and can make roads slippery, below warning amounts. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Arizona.