BOZEMAN – Friday afternoon a pattern change is impacting SW Montana and most of the state. Increasing wind, snow, and arctic cold air will produce hazardous to dangerous travel conditions this weekend.
Cold air is digging in from the north and warm moist air will over-run that cold air this weekend producing areas of moderate to heavy snow. Wind gusts over 30 mph will produce blowing snow and reduced visibility.
WINTER WEATHER HIGHLIGHTS
The National Weather Service continues a WINTER STORM WARNING for central and northern Montana counties through Sunday evening.
Snow accumulations of 6”-12” is likely across the hi-line and 3”-8” from Helena to White Sulphur Springs. Gusty winds will produce blowing snow and lower visibility and wind chill values colder than -30 below zero.
The National Weather Service issued a WINTER WEATHER ADVISORY for SW Montana east of the divide from 6 am Saturday to 6 pm Sunday.
Snow accumulations of 2”-6” for most valleys with 6”-12” for most mountains and passes. Gusty winds will produce areas of blowing snow and reduced visibility and below zero wind chills.
This is a major winter storm for not only Montana but for most of the western half of the country this weekend. Travel is not recommended.