1 watch is in effect for Mason County, WA. The most serious is a flood watch.
Since 2016 the National Weather Service has issued about 252 alerts that included Mason County, roughly 25 a year. The most common is the flood warning (116 from 2016 to 2025). The last tornado warning was issued on October 10, 2020. 1 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT
Full alert text
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northwest Washington, including the following
county, Mason.
* WHEN...Through late tonight.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Three to four inches of rain is forecast for the south slopes of
the Olympics through early Sunday with snow levels of 5500 to
6500 feet. The combination of heavy rain and relatively high snow
levels could push the Skokomish River near Potlatch above flood
stage.
- http://www.weather.gov/safety/flood
What to do: You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
Map data: NWS, OpenFreeMap, OpenStreetMap
Recent alerts in Mason County
Issued
Alert
Area
Nov 14, 6:11 AM EST
Flood Watch
Mason, WA
Mason County alert history
Alert events that included Mason County or its forecast zones, from the NWS warning archive.
1 tornadoes have been recorded in Mason County since 1950. That ranks 24 of 39 counties in Washington. The most recent was on October 18, 2019 (rated EF1).