Sounds like you're coming to Bellingham or somewhere else in the North Puget Sound area (or as we call it, the Fourth Corner).
The Nooksack, more than most winter steelhead rivers, prompts a fella to reach for a level-wind, shrimp-scented terminal tackle, and multiple Slinkies. It's fast and its normal color is Double Mocha Latte. Per this morning's stream flow data, it's 58% above normal, which means it'll have the color and consistency of crunchy peanut butter.
Better alternatives for the fly angler are the Skagit above the Sauk, and the Vedder River near Chilliwack, B.C.