National Weather ServiceWashingtonSevere Thunderstorm WarningArchive to October 1, 2026
Severe Thunderstorm Warnings in Washington
The National Weather Service issued 8 severe thunderstorm warnings for Washington in 2025 and 26 a year on average in 2008-2025; in 2021-2025 it had the 49th most of any state. 2026 through September: 15, 41% below the average of 26 for those months in 2008-2025. Stevens was covered most often (83 times since 2008).
How many severe thunderstorm warnings does Washington get?
Every severe thunderstorm warning that covered part of Washington. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 15 |
| 2025 | 8 |
| 2024 | 14 |
| 2023 | 32 |
| 2022 | 27 |
| 2021 | 13 |
| 2020 | 26 |
| 2019 | 23 |
| 2018 | 9 |
| 2017 | 27 |
| 2016 | 11 |
| 2015 | 22 |
| 2014 | 39 |
| 2013 | 55 |
| 2012 | 43 |
| 2011 | 13 |
| 2010 | 16 |
| 2009 | 37 |
| 2008 | 55 |
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 Washington 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 Washington?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Stevens | 83 | 17 | August 23, 2026 |
| Spokane | 70 | 12 | May 29, 2026 |
| Whitman | 68 | 6 | May 29, 2026 |
| Lincoln | 61 | 14 | August 29, 2026 |
| Pend Oreille | 54 | 10 | May 29, 2026 |
| Ferry | 53 | 9 | August 23, 2026 |
| Asotin | 44 | 3 | December 17, 2025 |
| Benton | 39 | 1 | August 18, 2024 |
| Okanogan | 38 | 5 | May 29, 2026 |
| Walla Walla | 38 | 1 | May 17, 2026 |
| Douglas | 36 | 6 | August 29, 2026 |
| Garfield | 36 | 3 | December 17, 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.
The latest severe thunderstorm warnings for Washington in AreaZine's record
NWS SpokaneWarningMay 28, 2026
Severe Thunderstorm Warning: Ferry, Okanogan, Pend Oreille and 1 more, WA
Expired 11:15 p.m. PDT, May 28, 2026
NWS SpokaneWarningMay 28, 2026
Severe Thunderstorm Warning: Chelan, Douglas, Grant and 1 more, WA
Expired 11:00 p.m. PDT, May 28, 2026
NWS SpokaneWarningMay 28, 2026
Severe Thunderstorm Warning: Ferry, Lincoln, Okanogan and 2 more, WA
Expired 10:45 p.m. PDT, May 28, 2026
NWS SpokaneWarningMay 28, 2026
Severe Thunderstorm Warning: Adams, Chelan, Douglas and 2 more, WA
Expired 10:15 p.m. PDT, May 28, 2026
NWS SpokaneWarningMay 28, 2026
Severe Thunderstorm Warning: Spokane, WA
Expired 8:00 p.m. PDT, May 28, 2026
NWS PendletonWarningMay 16, 2026
Severe Thunderstorm Warning: Umatilla and Walla Walla, OR and WA
Expired 6:00 p.m. PDT, May 16, 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 severe thunderstorm warning?
A severe thunderstorm warning means a storm is producing, or is about to produce, hail one inch across or larger and/or winds of 58 mph or more. 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 Washington.