National Weather ServiceIdahoWinter Storm WarningArchive to October 1, 2026
Winter Storm Warnings in Idaho
The National Weather Service issued 26 winter storm warnings for Idaho in 2025 and 36 a year on average in 2008-2025; in 2021-2025 it had the 7th most of any state. 2026 through September: 7, 67% below the average of 22 for those months in 2008-2025. Central Panhandle Mountains was covered most often (153 times since 2008).
How many winter storm warnings does Idaho get?
Every winter storm warning that covered part of Idaho. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 7 |
| 2025 | 26 |
| 2024 | 36 |
| 2023 | 35 |
| 2022 | 40 |
| 2021 | 38 |
| 2020 | 25 |
| 2019 | 31 |
| 2018 | 27 |
| 2017 | 43 |
| 2016 | 25 |
| 2015 | 23 |
| 2014 | 36 |
| 2013 | 25 |
| 2012 | 42 |
| 2011 | 44 |
| 2010 | 42 |
| 2009 | 58 |
| 2008 | 59 |
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 |
|---|---|---|---|
| Central Panhandle Mountains | 153 | 20 | March 12, 2026 |
| Northern Panhandle | 127 | 6 | October 12, 2025 |
| Southern Clearwater Mountains | 103 | 15 | March 12, 2026 |
| Northern Clearwater Mountains | 98 | 15 | March 12, 2026 |
| Sawtooth Mountains | 97 | 0 | March 17, 2018 |
| Big and Little Wood River Region | 95 | 0 | March 17, 2018 |
| Coeur d'Alene Area | 72 | 3 | January 6, 2026 |
| Upper Snake Highlands | 72 | 0 | March 1, 2018 |
| Idaho Palouse | 68 | 4 | February 16, 2025 |
| Caribou Highlands | 65 | 0 | March 1, 2018 |
| Bear River Range | 64 | 33 | February 17, 2026 |
| Wasatch Mountains/Idaho Portion | 64 | 0 | March 1, 2018 |
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 winter storm warnings for Idaho in AreaZine's record
NWS MissoulaWarningJune 26, 2026
Winter Storm Warning: Eastern Lemhi County, ID
Expired 9:00 a.m. MDT, June 29, 2026
NWS RivertonWarningApril 15, 2026
Winter Storm Warning: Yellowstone National Park, Absaroka Mountains and Teton and Gros Ventre Mountains, ID and WY
Expired 6:00 a.m. MDT, April 17, 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 winter storm warning?
A winter storm warning means significant snow, sleet or freezing rain is expected that will make travel very difficult or impossible. Each office sets the amounts for its area. 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 Idaho.