The storm system that brought snow and rain to western Montana is exiting the area. However, a moist and mild Pacific flow will keep clouds rolling through the region. And, there will be a chance for a brief sprinkle or shower through tomorrow west of the divide around Missoula northward to Kalispell. Lows in the low to mid 30s with mild temperatures on Thanksgiving. Highs in the 40s.
A strong plume of moisture will enter the northern Rockies on Friday, bringing rain and snow showers. It will still be mild with highs in the 40s.
An arctic front will slowly sag southward across the region late Friday night and Saturday. It will make it as far south as Missoula and Bozeman by late Saturday. Rain and snow showers in advance of it with all snow behind the front. Becoming windy with the front. By Saturday night and Sunday wind chills will drop below zero. Highs in the 10s Saturday in Kalispell but still warming to the 30s before the front arrives in Missoula, Bozeman and Butte. Lows Sunday in the single digits below zero in Kalispell, above zero in Bozeman and Butte to around 10 in Missoula. Highs Sunday in the 10s to around 20.