Here is a little more comprehensive tale of the tape, running from the objective and more sophisticated to the subjective individual assessments:
Objective (Formula-based):
KenPom - WSU #24 overall (ORtg #30, DRtg #36), ISUr #50 overall (ORtg #121, DRtg #20)
Massey - WSU #30, ISUr #55
Sagarin - WSU #23, ISUr #55
BPI - WSU #25 (1/9/17), ISUr - Unknown (Full rankings not released at this time by ESPN; only top 30)
RPI - ISUr #44, WSU #86
Subjective (Opinion-based):
Vegas - opening line TBD
Bilas Index - WSU #50, ISUr N/A
AP Poll - WSU t-37 (just 2 votes), ISUr N/A
Coaches Poll - WSU t-37 (also, just 2 votes), ISUr N/A
Projections by Objective Models:
KenPom - WSU 70-69 (51% chance of WSU victory)
RPIForecast - 63% chance of WSU victory, 3.8 point projected MOV
Massey - WSU 68-67 (53% chance of WSU victory)