Wind chills may be as low as 20 to 30 below zero in the mountains and far north.
Extreme cold warnings are issued when very cold temperatures or wind chill creates an elevated risk to health such as frost bite and hypothermia. Make sure to wear hats and gloves when going outside.
Partly cloudy tonight with wind up to 15 km/h.
This will result in widespread snow across the Treasure State, beginning on Wednesday and wrapping up on Saturday.More news: Raul Castro To Step Down in April 2018
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Tuesday Night: Mostly cloudy, with a low around -3. Wind up to 15 km/h.
This comes after accumulating snow that gave the area a white Christmas. Wednesday won't see too much more accumulation, but a big storm developing off the coast of Washington will move East towards us, reaching Montana by Thursday. West northwest wind around 5 miles per hour becoming calm.
With similar values expected, more wind chill advisories in at least parts of the region are certainly fair game. South southeast wind 5 to 15 miles per hour.
Today will be mainly cloudy with a 30 per cent chance of flurries. Night: Partly cloudy with northwest winds 5-10 miles per hour.