Alert archive / Washington / Extreme Heat Warnings
Extreme Heat Warnings in Washington, 2025
10 extreme heat warnings in 2025. 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 extreme heat warnings reaches back to 2005.
Extreme Heat Warnings by county
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Extreme Heat Warnings
- 10
- Busiest month
- August7 extreme heat warnings
- Busiest day
- August 21, 20252 extreme heat warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jun 7, 1:02 PM PDT | Extreme Heat Warning | OTX | Adams, Chelan, Douglas, Grant | 3 days |
| Aug 8, 2:01 PM PDT | Extreme Heat Warning | PQR | Clark, Skamania | 4 days |
| Aug 9, 1:06 PM PDT | Extreme Heat Warning | PDT | Benton, Columbia, Franklin, Kittitas, Klickitat, Walla Walla and 1 more | 3 days |
| Aug 12, 2:55 AM PDT | Extreme Heat Warning | OTX | Adams, Asotin, Chelan, Douglas, Garfield, Grant | 17 hr |
| Aug 21, 1:16 AM PDT | Extreme Heat Warning | PQR | Clark, Cowlitz, Skamania | 5 days |
| Aug 21, 1:01 PM PDT | Extreme Heat Warning | SEW | King, Lewis, Pierce, Skagit, Snohomish, Thurston and 1 more | 4 days |
| Aug 22, 10:56 AM PDT | Extreme Heat Warning | OTX | Adams, Asotin, Chelan, Douglas, Garfield, Grant and 2 more | 4 days |
| Aug 22, 12:23 PM PDT | Extreme Heat Warning | PDT | Benton, Columbia, Franklin, Kittitas, Klickitat, Walla Walla and 1 more | 4 days |
| Sep 1, 11:40 AM PDT | Extreme Heat Warning | OTX | Adams, Asotin, Chelan, Douglas, Garfield, Grant and 1 more | 3 days |
| Sep 1, 12:02 PM PDT | Extreme Heat Warning | PDT | Benton, Columbia, Franklin, Kittitas, Klickitat, Walla Walla and 1 more | 3 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County4
- Chelan County4
- Douglas County4
- Grant County4
- Benton County3
- Columbia County3
- Franklin County3
- Kittitas County3
- Klickitat County3
- Walla Walla County3
- Yakima County3
- Asotin County3
- Garfield County3
- Clark County2
- Skamania County2
- Okanogan County2
- Cowlitz County1
- King County1
- Lewis County1
- Pierce County1
- Skagit County1
- Snohomish County1
- Thurston County1
- Whatcom County1
- Lincoln County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.