Winter Weather Advisories in Washington
2,185 winter weather advisories since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of winter weather advisories reaches back to 2005.
Winter Weather Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Winter Weather Advisories
- 2,185
- Busiest year
- 2017151 winter weather advisories
- Average year
- 99over 22 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Spokane County324
- Okanogan County322
- Walla Walla County293
- Columbia County269
- Douglas County263
- Lincoln County243
- Grant County229
- Chelan County214
- Ferry County209
- Yakima County197
- Pend Oreille County189
- Stevens County189
- Whitman County183
- Asotin County180
- Garfield County180
- Adams County173
- Klickitat County161
- Kittitas County158
- Benton County91
- Franklin County91
- San Juan County54
- Clark County36
- Cowlitz County36
- Skamania County35
- King County21
- Snohomish County20
- Skagit County17
- Whatcom County17
- Pierce County16
- Lewis County15
- Clallam County9
- Grays Harbor County7
- Jefferson County7
- Mason County7
- Pacific County6
- Wahkiakum County6
- Thurston County1
The latest winter weather advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 9:38 PM PDT | Winter Weather Advisory | PDT | Kittitas, Yakima | 25 hr |
| May 15, 8:54 PM PDT | Winter Weather Advisory | PQR | Clark, Cowlitz, Skamania | 32 hr |
| May 15, 10:07 AM PDT | Winter Weather Advisory | OTX | Chelan | 25 hr |
| May 15, 9:24 AM PDT | Winter Weather Advisory | SEW | Clallam, Grays Harbor, Jefferson, King, Lewis, Mason and 4 more | 39 hr |
| Apr 21, 10:56 AM PDT | Winter Weather Advisory | PDT | Columbia, Walla Walla | 31 hr |
| Apr 14, 2:33 AM PDT | Winter Weather Advisory | SEW | Clallam, Grays Harbor, Jefferson, Mason | 19 hr |
| Apr 13, 11:07 AM PDT | Winter Weather Advisory | OTX | Ferry, Okanogan | 64 hr |
| Apr 13, 10:53 AM PDT | Winter Weather Advisory | PDT | Columbia, Kittitas, Walla Walla, Yakima | 59 hr |
| Mar 31, 9:59 AM PDT | Winter Weather Advisory | PQR | Clark, Cowlitz, Skamania | 55 hr |
| Mar 31, 9:59 AM PDT | Winter Weather Advisory | PDT | Kittitas, Yakima | 49 hr |
| Mar 31, 9:53 AM PDT | Winter Weather Advisory | OTX | Chelan, Ferry, Okanogan | 49 hr |
| Mar 31, 9:50 AM PDT | Winter Weather Advisory | SEW | King, Lewis, Pierce, Skagit, Snohomish, Whatcom | 49 hr |
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.