Alert archive / Washington / Severe Thunderstorm Warnings / 2026

Severe Thunderstorm Warnings in Washington, May 2026

10 severe thunderstorm warnings in May 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in May 2026. Tap one for its archive.

Severe Thunderstorm Warnings: 10
Busiest day: May 29, 20269 severe thunderstorm warnings

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
May 16, 5:39 PM PDT	Severe Thunderstorm Warning	PDT	Walla Walla	21 min
May 28, 7:11 PM PDT	Severe Thunderstorm Warning	OTX	Spokane	49 min
May 28, 7:16 PM PDT	Severe Thunderstorm Warning	OTX	Lincoln	59 min
May 28, 7:37 PM PDT	Severe Thunderstorm Warning	OTX	Spokane	38 min
May 28, 8:00 PM PDT	Severe Thunderstorm Warning	OTX	Lincoln, Spokane, Stevens, Whitman	60 min
May 28, 8:48 PM PDT	Severe Thunderstorm Warning Considerable damage threat	OTX	Adams, Grant, Lincoln	72 min
May 28, 9:00 PM PDT	Severe Thunderstorm Warning Considerable damage threat	OTX	Adams, Chelan, Douglas, Grant, Lincoln	75 min
May 28, 9:13 PM PDT	Severe Thunderstorm Warning Considerable damage threat	OTX	Ferry, Lincoln, Okanogan, Spokane, Stevens	55 min
May 28, 9:29 PM PDT	Severe Thunderstorm Warning	OTX	Chelan, Douglas, Grant, Okanogan	91 min
May 28, 10:08 PM PDT	Severe Thunderstorm Warning	OTX	Ferry, Okanogan, Pend Oreille, Stevens	67 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

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.