Freezing levels will drop to 1,300 to 1,500 metres Thursday overnight, leading to varying levels of rain and snowfall.

The central and northeastern part of New Brunswick will receive the worst of the weather.

Some communities surrounding Edmonton have been hit with a dump of May snow.

Environment Canada has issued a special weather statement for northern, central and eastern Nova Scotia as well as the southern half of Cape Breton Island. 

Environment Canada issued a snowfall warning for several parts of southern and central Alberta on Friday.

A snowfall warning has ended for Saskatoon, Prince Albert and east to the Manitoba border.

The warning stretches from Hope to Merritt, where 20 to 25 centimetres is expected.

Upwards of 20 centimetres of snow is possible in parts of the Capital Region by Tuesday morning.

The affected highways include Highways 1, 3, 5 and 97C, with snowfall amounts projected between 20 and 40 centimetres.

Areas in central and northern Alberta are being told to brace for as much as 15 centimetres of snow to fall by Tuesday morning.