SCG:
After having the "Shadowy St.Joe" as my home water, for 16 years, I've seen it in a lot of stages of bad run off, but this year seems to be one of its worst in a while.
If it's still running at a hair less then 7,000 (as of 07/02-per Eric's great link), as low down as Calder, I don't think the upper reaches,like "Tin Can Flats" up to "Red Ives", will even begin to get fishable to any degree until at least the very end of July-first of August.
If you can possibly re-arrange your trip, the best fishing, (strictly from my own fishing on the river and everyone's fishing is of course, different!), is the very end of August, on into September.
Saint Paul-"The Highly Confused"
You cannot do a kindness too soon, for you never know how soon it will be too late.
-- Ralph Waldo Emerson