WASHINGTON FLOW REPORT

Last Updated: March 6, 2026

Streamflow levels across Washington are currently 99.0% of normal, with the Columbia River Below Priest Rapids Dam reporting the highest discharge in the state with 127000cfs and gauge stage of 15.89 ft. Meanwhile, the South Fork Palouse River At Pullman is seeing a spike in streamflows today after experiencing a 385.45% increase since yesterday, and currently running at 317cfs.

Maximum gauge stage in the state was last observed at the Cowlitz River Near Kosmos, currently reporting a stage of ft. The Duwamish River At Golf Course At Tukwila in the Duwamish watershed is surging for this time of year at 6700cfs, about 284.56% of normal.