Mission Control Audio is live: https://www.youtube.com/watch?v=hyKeJB0KDuc

The launch director just announced that probability of weather violation is 20% (80% favourable). They are proceeding with the count.

Edit: They are go for propellant load.

Edit2: Tanks venting for the start of prop load.

Edit3: Stage 2 RP1 load complete.

Edit4: Engine chill has started, and SpaceX FM is live! https://www.youtube.com/watch?v=iFY7mtzsNKo

Edit5: Stage 1 RP1 load complete. Tanks are pressing for Strongback retract. Video is live with views of the rocket, but no host commentary. Strongback retract has started.

Edit6: Stage 1 LOx load complete.

Edit7: Stage 2 LOx load complete.

Edit8: Ground gas closeout. Falcon 9 is in startup.