National Weather ServiceIdahoSnow AdvisoryArchive to October 1, 2026
Snow Advisories in Idaho
The National Weather Service issued 0 snow advisories for Idaho in 2025 and 4 a year on average in 2008-2025; in 2021-2025 it had the 3rd most of any state. 2026 through September: 0, 100% below the average of 4 for those months in 2008-2025. Southern Clearwater Mountains was covered most often (24 times since 2008).
How many snow advisories does Idaho get?
Every snow advisory that covered part of Idaho. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 0 |
| 2025 | 0 |
| 2024 | 0 |
| 2023 | 0 |
| 2022 | 0 |
| 2021 | 0 |
| 2020 | 0 |
| 2019 | 0 |
| 2018 | 0 |
| 2017 | 0 |
| 2016 | 0 |
| 2015 | 0 |
| 2014 | 0 |
| 2013 | 0 |
| 2012 | 0 |
| 2011 | 0 |
| 2010 | 0 |
| 2009 | 0 |
| 2008 | 77 |
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 Idaho 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 Idaho?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Southern Clearwater Mountains | 24 | 0 | June 10, 2008 |
| Orofino/Grangeville Region | 22 | 0 | June 10, 2008 |
| Northern Clearwater Mountains | 15 | 0 | June 10, 2008 |
| Lewis and Southern Nez Perce Counties | 13 | 0 | April 29, 2008 |
| Idaho Palouse | 12 | 0 | April 9, 2008 |
| Northern Panhandle | 12 | 0 | June 10, 2008 |
| Coeur d'Alene Area | 11 | 0 | April 20, 2008 |
| Central Panhandle Mountains | 10 | 0 | June 10, 2008 |
| Eastern Lemhi County | 10 | 0 | June 11, 2008 |
| West Central Mountains | 8 | 0 | June 11, 2008 |
| Lewiston Area | 6 | 0 | April 10, 2008 |
| Western Lemhi County | 6 | 0 | April 19, 2008 |
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 snow advisory?
A snow advisory covered snowfall below winter storm warning amounts. The NWS replaced it with the winter weather advisory. 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 Idaho.