National Weather ServiceOregonWinter Weather AdvisoryArchive to October 1, 2026
Winter Weather Advisories in Oregon
The National Weather Service issued 77 winter weather advisories for Oregon in 2025 and 93 a year on average in 2008-2025; in 2021-2025 it had the 11th most of any state. 2026 through September: 28, 50% below the average of 56 for those months in 2008-2025. Northern Oregon Cascades was covered most often (344 times since 2008).
How many winter weather advisories does Oregon get?
Every winter weather advisory that covered part of Oregon. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 28 |
| 2025 | 77 |
| 2024 | 105 |
| 2023 | 97 |
| 2022 | 127 |
| 2021 | 98 |
| 2020 | 95 |
| 2019 | 98 |
| 2018 | 99 |
| 2017 | 119 |
| 2016 | 96 |
| 2015 | 75 |
| 2014 | 72 |
| 2013 | 60 |
| 2012 | 105 |
| 2011 | 90 |
| 2010 | 116 |
| 2009 | 97 |
| 2008 | 49 |
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 Oregon 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 Oregon?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Northern Oregon Cascades | 344 | 25 | March 1, 2024 |
| South Central Oregon Cascades | 318 | 59 | April 15, 2026 |
| Siskiyou Mountains and Southern Oregon Cascades | 306 | 51 | April 2, 2026 |
| Cascades in Lane County | 262 | 23 | March 5, 2024 |
| Northern and Eastern Klamath County and Western Lake County | 250 | 37 | April 2, 2026 |
| Northern Blue Mountains of Oregon | 220 | 51 | April 22, 2026 |
| Klamath Basin | 189 | 32 | April 2, 2026 |
| Central and Eastern Lake County | 182 | 23 | February 19, 2026 |
| East Slopes of the Oregon Cascades | 180 | 61 | May 16, 2026 |
| Eastern Curry County and Josephine County | 172 | 28 | February 17, 2026 |
| Eastern Douglas County Foothills | 167 | 21 | April 2, 2026 |
| Jackson County | 167 | 27 | February 17, 2026 |
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 Oregon.