Updated: Dec 30, 2018
An Alberta Clipper will move through the Northern Plains on Sunday bringing with it some light snow and extremely cold temperatures. The animation above shows the clipper move through Saskatchewan and North Dakota bringing most of the precipitation into Manitoba.
This hazardous weather outlook is for portions of eastern North Dakota, west central and northwest Minnesota. .DAY ONE...Today and Tonight Hazardous wind chill values are expected through 9 AM this morning. .DAYS TWO THROUGH SEVEN...Sunday through Friday Accumulating snow will be possible Sunday and Sunday night with areas of blowing snow possible on Monday. However, details remain uncertain at this time. Hazardous wind chills will be possible again new years eve and into new years morning.
The main story with this Clipper will be the extremely cold temperatures and wind chill it will bring to the Northern Plains. Below is an animation of expected temperatures (in C). You can see some cold air intrusion into most of the N Plains and Manitoba. Temperatures in the -30C will be possible on New Year's Eve into New Years Day, with wind chills approaching or exceeding the -40 mark in parts of Manitoba and North Dakota.
Make sure to keep updated with watches/warnings for Canada here: https://weather.gc.ca/warnings/index_e.html