The Department of Infrastructure says the Mountain Road will remain closed until at least tomorrow night, along with two other routes on Snaefell.
Overnight snowfall has set back reopening efforts, with previously cleared areas iced over and covered in fresh snow.
The DOI says all three will stay shut until at least midnight tomorrow.
It says it will set out its plans for gritting the rest of the Island's roads later.
Baby fair returns to Santon this weekend
A popular event for mothers is returning this weekend.
0.03% of smart meter installations led to concerns or complaints, says Manx Utilities
Manx Utilities says only around 10 smart electricity meters caused difficulties during installation - out of 34,778 put in.
Event tonight to discuss historic church's future
An event in the south of the Island this week will discuss the future of a church.
Broadband firm has licence revoked
An Island broadband company has had its licence revoked after failing to pay fees and submit information to the regulator.
£484k spent on TT course after inspections by organisers and DOI
The Department of Infrastructure says it carried out just under £484,500 worth of work on the TT course after inspections with race organisers.
Yacht ran aground after leaving the Isle of Man
A yacht crew travelling from the Isle of Man had to be rescued from their vessel after it ran aground off the coast of Wales earlier this week.
Steam Packet sees nearly 38,000 TT passengers
The Steam Packet Company says it brought 37,941 passengers to the Island during TT this year.
300 cruise ship visitors arrive in Douglas
A cruise ship is visiting Douglas today, bringing more than 300 passengers.
