Temperatures early Tuesday hovered near zero, and unsafe wind chill values below zero were expected to persist throughout the day, according to the National Weather Service.
A low of 6 below zero was expected overnight with wind chills 10 degrees lower.
Afternoon high temperatures will be mainly in the single digits above and below zero, trending a little bit colder in northeastern Montana. Make sure any outdoor animals have warm shelter.
Temperatures will fall below zero in parts of CNY tonight and Wednesday night.
Friday Night: Mostly cloudy, with a low around -8.
Coldest air of the season arrives tonight
This will result in widespread snow across the Treasure State, beginning on Wednesday and wrapping up on Saturday. The NWS may decide to add more counties to the watch later Tuesday.
The advisory begins at 10 p.m. Tuesday and continues until 10 a.m. Wednesday. It was also 54 degrees colder than the record high for Christmas Day in Grand Forks. Wind northwest at 20 km/h becoming light early in the evening. Northwest winds 5-15 miles per hour.
On Saturday, we'll get a few inches of snow. Night: Partly cloudy with northwest winds 5-10 miles per hour.
Sunday, a chance of snow showers.