A yellow weather warning for snow and sleet remains in place until 9am
The Mountain Road is closed due to heavy snow.
The police say it's due to extremely poor conditions which could pose a 'serious road safety issue'.
It's expected to be shut until 4.30pm.
The Department of Infrastructure will review the necessity for the closure throughout the day.
Meanwhile, a yellow weather warning for snow and sleet remains in place until 9am.
Motorists urged to find alternative route home following crash
Mountain Road could be closed until 11pm
Car tax demand at vehicle testing centre 'causing a few problems'
Infrastructure minister admits the change has presented some challenges
Reinstating horse tram tracks will cost almost £2 million
Chief engineer tells Manx Radio 'no major problem' with business case
Businesses under threat from Steam Packet freight surcharge says Chamber
88 percent of respondents report a negative business impact from the surcharge
Section of Douglas Promenade reopens following RTC
Emergency services responding to incident near Castle Mona