Bus Vannin has announced 18 buses could be cancelled today.
Routes at risk include those between Douglas and Port Erin, Ballachrink, Ramsey and Birch Hill.
The disruption will run until 5.10pm.
Isle of Man Transport has apologised and says it will keep passengers updated.
Repairs on Peel Power Station to get underway
Manx Care doctor survey to be discussed by Tynwald
Weather warning for snow tonight
MHK queries safety at primary school in Ballabeg
Gales put two ferry sailings at risk tonight
Should the Island throw a birthday party for Barry Gibb?
Warning issued over icy roads
High ground could see 4 inches of snow on Saturday night