At least seven roads are currently closed across the Horsham district, due to trees falling over the weekend.
The affected roads are Thakeham Road, Storrington, Broadfield Bridge Road, West Chiltington, The Haven, Billingshurst, Swallows Lane, Dial Post, Hookman Lane, near Spear Hill, Grouse Road, Colgate and Church Lane, Plummers Plain.
The closures in Plummers Plain, Spear Hill and Dial Post are due to trees falling on power cables.
West Sussex County Council added the closures in Storrington and West Chiltington are likely to take two days to clear.
Tree surgeons are on site at Colgate.