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King County Flood Warning Center issues Phase 2 flood alert for Snoqualmie River


The King County Flood Warning Center issued a Phase 2 flood alert level for the Snoqualmie River early in the evening of Friday, Dec. 29, with minor flooding possible in low-lying areas. The Flood Warning Center has been open since midday on the 29th to monitor river levels brought higher by heavy rainfall.


The King County Flood Warning Center, which opened lateFlood Control Zone District Logo in the morning on Friday, Dec. 29 to monitor rising flows on area rivers because of heavy rain, has issued a Phase 2 flood alert for the Snoqualmie River.

As of 5:30 p.m., the sum of the Snoqualmie River’s three forks was 12,140 cubic feet per second (CFS), slightly higher than the Phase 2 flood alert threshold of 12,000 CFS. At these flows, a handful of roads could possibly overtop with floodwaters, including Neal Road Southeast, Reinig Road, and a few additional roads in low-lying areas.

The Flood Warning Center opened at 11:15 a.m. on Friday, Dec. 29, when the White River rose to a Phase 2 flood alert level, leading to minor flood conditions in the Auburn-Pacific area along the river.

Flood Warning Center employees will monitor stream gages and weather reports, and 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.
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The King County Flood Control District is a special purpose government created to provide funding and policy oversight for flood protection projects and programs in King County. The Flood Control District’s Board is composed of the members of the King County Council. The Water and Land Resources Division of the King County Department of Natural Resources and Parks develops and implements the approved flood protection projects and programs. Information is available at