I live here and well know the River.
That time of year you will see Coho, Springs and Steelhead in the system.
Timing looks to be good.
Of course weather can mess with one's plans, but that is the case anywhere you go.
Dave and his crew are First Rate. They will get you into fish!
Feel free to pm if you have any other questions I might be able to help with.
ENJOY! 
Cheers,
Nog