FiveThirtyEight sees the Democrats winning the Senate
It's ironic because that reinforces the best argument for voting for the Little Orange Kitten: that otherwise Hillary will appoint Scalia's successor and maybe several other Supreme Court justices, and get them confirmed.
Since Hillary seems to be pulling away again nationally, though. the best plan for preventing that remains working like crazy to keep the Senate safe for the GOP. That could still happen. No way are the American people stupid enough to elect Trump.