There are more qualified folks to answer this, so I'll keep it short. In BC, a lot of runs are getting to the lower side now, but I think you'll still be good to go on a few. Some potentials might be: Fear Canyon of the Elaho, Comittment Canyon and possibly the Mine Run on the Ashlu, Thompson, Rogers..maybe. Tatlow will probably be too low by then.
Washington is pretty dry right now except for a 4 mile hike into Thunder Creek. If James sees your post, he can comment on it. I'm looking to head out there in the next couple weeks hopefully.