Excessive Heat Warnings in Washington
67 excessive heat warnings 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Excessive Heat Warnings
- 67
- Busiest year
- 20219 excessive heat warnings
- Average year
- 4over 16 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.
- Adams County14
- Chelan County14
- Douglas County14
- Grant County14
- Lincoln County14
- Okanogan County14
- Asotin County13
- Garfield County13
- Kittitas County13
- Yakima County13
- Benton County12
- Franklin County12
- Klickitat County12
- Walla Walla County12
- Columbia County11
- Spokane County11
- Whitman County11
- Ferry County8
- Pend Oreille County7
- Stevens County7
- Clark County2
- Cowlitz County2
- Skamania County2
- San Juan County1
- Pacific County1
- Wahkiakum 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. Rebuilt daily.