Alert archive / Washington / Heat Advisories / 2026
Heat Advisories in Washington, August 2026
5 heat advisories in August 2026. 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in August 2026. Tap one for its archive.
- Heat Advisories
- 5
- Busiest day
- August 20, 20262 heat advisories
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 10:16 AM PDT | Heat Advisory | PQR | Clark, Cowlitz, Skamania | 4 days |
| Aug 4, 1:37 PM PDT | Heat Advisory | SEW | Clallam, Grays Harbor, Island, Jefferson, King, Kitsap and 8 more | 3 days |
| Aug 20, 10:28 AM PDT | Heat Advisory | OTX | Adams, Asotin, Chelan, Douglas, Ferry, Garfield and 7 more | 57 hr |
| Aug 20, 10:30 AM PDT | Heat Advisory | PDT | Benton, Columbia, Franklin, Kittitas, Klickitat, Walla Walla and 1 more | 36 hr |
| Aug 24, 4:38 PM PDT | Heat Advisory | OTX | Asotin, Garfield | 52 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Asotin County2
- Garfield County2
- Clark County1
- Cowlitz County1
- Skamania County1
- Clallam County1
- Grays Harbor County1
- Island County1
- Jefferson County1
- King County1
- Kitsap County1
- Lewis County1
- Mason County1
- Pierce County1
- San Juan County1
- Skagit County1
- Snohomish County1
- Thurston County1
- Whatcom County1
- Adams County1
- Chelan County1
- Douglas County1
- Ferry County1
- Grant County1
- Lincoln County1
- Okanogan County1
- Pend Oreille County1
- Spokane County1
- Stevens County1
- Whitman County1
- Benton County1
- Columbia County1
- Franklin County1
- Kittitas County1
- Klickitat County1
- Walla Walla County1
- Yakima County1
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. Warning verification from the Mesonet's Cow. Rebuilt daily.