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King County Flood Warning Center closes as flows drop on upper Snoqualmie River


King County’s Flood Warning Center closed at 8:15 p.m. on Thursday, Nov. 1, following a brief opening to closely watch heavy rainfall that brought high flows on the Snoqualmie River. Workers will continue to monitor river gages and weather forecasts.


The King County Flood Warning Center closed at 8:15 p.m. on Thursday, Nov. 1, following a brief opening to monitor high flows on the Snoqualmie River.

The Flood Warning Center opened at 11:30 a.m. on Thursday, as an intense rainstorm dumped several inches of heavy rain in the central Cascade Mountains and brought the Snoqualmie River up to a minor Phase 2 flood alert level.

King County employees will continue to monitor stream gages and weather reports as the high flows slowly move down the Snoqualmie River. Employees will provide updated information on river conditions as necessary. Real-time river level information is available online at

During river flooding events, King County serves as a clearinghouse for information on flood conditions, operating a recorded message center with continuous updates of river gage readings and flood phases and other related information. Reach the Flood Warning Center at 206-296-8200 or 1-800-945-9263. Interpreter assistance in multiple languages is available.

King County offers everyone free access to KC Flood Alerts, an automated system that allows subscribers to receive customized alerts of potential flooding for any or all of King County’s seven major river systems.

Immediate notifications about pending high water are sent to email, smart phone text or voicemail, providing subscribers with the maximum amount of warning about potential high water. Find the KC Flood Alerts link at This website is a valuable preparedness resource, with all of the latest information about river levels and road conditions, plus weather reports and other critical links. Questions or assistance with flooding on smaller streams or urban drainage problems can be called in to 206-477-4811 during business hours, or 206-477-8100 after hours or on weekends. Problems on County maintained roads can be reported by calling 206-477-8100 or 1-800-KC-ROADS.