Flood Watch
Status
Event Extended (Time) Active alertStart Time
Thu 12/18/2025 07:07 PM ESTEnd Time
Sat 12/20/2025 01:00 PM ESTSignificance
WatchImpacts
Moderate impact
Locations Affected
Seattle, WA ∙ Tacoma, WA ∙ Kent, WA ∙ Bellevue, WA ∙ Renton, WA ∙ Federal Way, WA ∙ Auburn, WA ∙ Lakewood, WA ∙ Shoreline, WA ∙ Redmond, WAFull Alert Message
URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Seattle WA 407 PM PST Thu Dec 18 2025 ...FLOOD WATCH NOW IN EFFECT THROUGH SATURDAY MORNING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest and west central Washington, including the following counties, in northwest Washington, Grays Harbor. In west central Washington, King, Pierce and Thurston. * WHEN...Through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Dam operations to maintain a safe flood pool for area dams could maintain elevated flow levels or they could raise or lower levels downstream of the dams. Dam regulation can change rapidly. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.
Technical Header
WAC027-033-053-067-191315- /O.EXT.KSEW.FA.A.0013.000000T0000Z-251220T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Grays Harbor-King-Pierce-Thurston- Including Aberdeen, Tumwater, Olympia, Seattle, Lacey, Tacoma, and Hoquiam 407 PM PST Thu Dec 18 2025