Alert archive / Washington / Flash Flood Warnings / 2026

Flash Flood Warnings in Washington, August 2026

4 flash flood warnings 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

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

Flash Flood Warnings
4
Busiest day
August 14, 20262 flash flood 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.

IssuedProductOfficeCountiesLasted
Aug 12, 3:47 PM PDTFlash Flood WarningOTXOkanogan3 hr
Aug 13, 3:37 PM PDTFlash Flood WarningSEWMason105 min
Aug 13, 6:46 PM PDTFlash Flood WarningOTXChelan3 hr
Aug 14, 4:55 PM PDTFlash Flood WarningOTXChelan3 hr

By county

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

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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.