The northern branch of the jet stream features a weak blocking ridge between Siberia and Alaska extending up towards the pole. The polar vortex across Canada. And some weak ridging over eastern Canada. This is a cold pattern for central and eastern Canada, mild in the west. The southern branch of the jet stream features a migratory trough moving through the ridge in the eastern pacific. A ridge over the western US. And a trough over the eastern US.
Subtropical high pressure is located over the southwest atlantic.
The US and European models are ...