Further update expected at 9.30am
The Clerk of the Course has announced a one-hour delay to today's TT schedule due to this morning's weather conditions.
The Mountain Road had been due to close from 9am, but organisers say the road closures will now start at 10am instead.
A further update will be issued at 9.30am.
Three races are due to take place today, including the Superstock 1 race which was postponed on Saturday.
Fundraiser for TT rider Maria Costello surpasses £220k
Warmer than average May for Island
Manx BirdLife awarded funding for new warden
Increased DfE support 'to tackle rising costs and global pressures'
Police appeal after two motorcycles involved in collision