2018 US Senate Election-based on public opinion polling.

Solid Democratic
CA-Feinstein-D 24
CT-Murphy-D 25
DE-Carper-D 26
HI-Hirono-D 27
ME-King-I/D 28
MD-Cardin-D 29
MA-Warren-D 30
MN-Klobuchar-D 31
NY-Gillibrand-D 32
RI-Whitehouse-D 33
VT-Sanders-I/D 34
WA-Cantwell-D 35
Solid Republican
MS-Wicker-R 44
NE-Fischer-R 45
TN-Fincher/Blackburn-R 46
WY-Barrasso-R 47
Likely Democratic
MI-Stabenow-D 36
NJ-Pallone or whoever Murphy appoints-D 37
NM-Heinrich-D 38 (Solid Democratic without Martinez-R/Lean Democratic with Martinez-R)
PA-Casey-D 39
VA-Kaine-D 40
Likely Republican
AL-Moore-R 48
UT-Hatch-R 49
Lean Democratic
AZ-Sinema-D 41
FL-Nelson-D 42 (if Scott-R runs -Tossup Democratic)
MT-Tester-D 43
WV-Manchin-D 44
WI-Baldwin-D 45
Lean Republican
MO-Hawley-R 50
TX-Cruz-R 51
Tossup Democratic
NV-Rosen-D 46
Tossup Republican
IN-Messer/Rokita-R 52
No Clear Favorite
ND-(Heitkamp-D vs Campbell-R)
OH-(Brown-D vs Mandel-R)