Originally Posted by mineistaken

As for senate:

libby la times:

"The Democrats regaining control of the Senate, which they lost in 2014, is almost impossible to fathom."

libby vox.com:

"The Senate map is so mind-bogglingly awful for them that retaking the chamber in 2018 seems out of reach"

As for house I also do not seem to find anyone predicting a sure overtaking of control.

So remaining GOP control in both houses is most probable and not slim to none.