Much needed moisture is falling across western Montana bringing an end to the recent dry spell. This storm is coming in two phases.
The first phase is mild, moist Pacific air over running cold surface air. This has brought snow to western Montana late last night through the day today. Weather watcher reports include 4" in Carmen, ID, 3" in Troy and 3" in the Missoula area.
Much heavier snow is continuing in the mountains. The second phase of the storm arrives late tonight and tomorrow as an arctic cold front moves into the region.
A burst of heavier snow is expected with the front with additional accumulations expected over most of the area.