WASHINGTON FLOW REPORT

Last Updated: May 9, 2026

Streamflow levels across Washington are currently 82.0% of normal, with the Columbia River Below Priest Rapids Dam reporting the highest discharge in the state with 147000cfs and gauge stage of 17.51 ft. Meanwhile, the Mill Creek At Five Mile Rd Br Nr Walla Walla is seeing a spike in streamflows today after experiencing a 217.0% increase since yesterday, and currently running at 634cfs.

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.




       

Weather Warnings

May 9 2026

Residents of Washington State, particularly in Chelan County, should remain vigilant as a Flood Warning is in effect for the Stehekin River at Stehekin due to melting snowpack increasing river flows. Minor flooding is currently occurring and is expected to continue, with river levels reported at 22.1 feet—well above the flood stage of 20.5 feet. Impacts include inundation of properties, overtopping of the temporary corduroy bridge, and damage to local roads. This warning will remain effective until further notice. Please take necessary precautions to ensure safety and avoid affected areas.


Rafting & Kayaking

River Run Status Streamflow (CFS) Air Temp (F)
Douglas Fir Campground to Mt. Baker Highway
Class II+ to III
RUNNABLE 390 48
Rock Island Campground to Ida Creek
Class II+ to III
36.25
Snoqualmie Falls to Plum's Landing
Class II+ to III-
RUNNABLE 398 52
       
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