Top Discharges

Streamgauges reporting the most discharge on the Snohomish River



10 Day Trend

Discharge comparison for the highest gauges over the past 10 days



Expected Streamflow Ranges

Streamflow discharge range for this time of year

The Snohomish River is a river in Snohomish County the U.S. state of Washington, formed by the confluence of the Skykomish and Snoqualmie rivers near Monroe. It flows northwest entering Port Gardner Bay, part of Puget Sound, between Everett and Marysville. The Pilchuck River is its main tributary and joins the river at Snohomish. The river system drains the west side of the Cascade Mountains from Snoqualmie Pass to north of Stevens Pass. Measured at Monroe, the Snohomish River has an average annual flow of 9,500 cubic feet per second (270 m3/s). In comparison, the Columbia River, Washington's largest river, ... Source: Wikipedia