The Department of Infrastructure says it's closed Glen Darragh Road because of flooding.
Heavy rain has led to standing water on roads.
The DOI says the situation in Marown is so bad it's had to shut Glen Darragh Road between Braaid Crossroads and Glen Vine.
Meanwhile, a fallen tree is blocking the road in West Baldwin Village.
An amber weather warning for rain and flooding runs until 11am.
New amber warning issued for tonight's storm
Police appeal over theft of building materials
One of capital's oldest buildings may become housing
New NHS safety rule to be brought in on Island
Two city streets to shut for over six months
Revamp of airport terminal planned, says DOI
Four ferries now listed as cancelled today
One weekend sailing cancelled, others at risk because of weather