The good people at CSAS have announced that the RMSS 2020 event has been canceled. The notice here went up some time prior to May 4th.  The text reads: 

THE PREMIER STAR PARTY OF THE ROCKY MOUNTAINS
UPDATE RMSS 2020 CANCELLED.
DUE TO THE ONGOING ISSUES RELATED TO THE NOVEL CORONAVIRUS, RMSS IS REGRETTABLY CANCELED FOR 2020. ADDITIONAL INFORMATION CAN BE FOUND ON THE COVID 19 PAGE WITHIN THE 2020 EVENT INFO. WE APOLOGIZE FOR THE DISRUPTION TO WHAT IS THE HIGHLIGHT FOR THE SUMMER FOR MANY OF US. NEVERTHELESS, AS WE ARE ASTRONOMERS- KEEP LOOKING UP!

Additional information can be found here, but does not appear to be current.