BidenSandersWarrenVote here in the previous polls if you haven't already!FebruaryIA NH NV SC Super TuesdayAL AS AR CA CO DA ME MA MN NC OK TN TX UT VT VA March 10thID MI MS MO ND WALater MarchNMI AZ FL IL OH GA PRAprilAK HI LA WY WI CT DE MD NY PA RIMayGU KS IN NEArizona, Illinois, Indiana, and Michigan are all very close.
WV is by far the most likely Sanders state to go for Biden, in my opinion. While it might not be extremely lopsided, as Warren could conceivably do well in Charleston, counties like Jefferson, and perhaps a couple others, I think Biden would win pretty easily.