Roads are extremely slippery and several collisions have been reported the past 32-hours.
All roads and highways are open but extreme caution is urged.
There have been periodical delays on Highway 17 West of Dryden due to jack-knifed transports and minor collisions.
Other transports have had problems navigating hills, resulting in delays.
Dryden and Wabigoon Fire responded to a two vehicle collision this morning around 9 o'clock.
Officials say a SUV collided with a Highway Grader.
The SUV was totally destroyed and one person was transported to hospital with unknown injuries.