Summary

A high-pressure ridge along the west coast will amplify as far north as the Arctic Circle and will work in unison with an Alaskan shortwave to draw arctic air and Pacific moisture into the Northern Rockies Fri & Sat. Moderate to heavy accumulations of 6 – 18” will be likely at many locations. Another shortwave will pull arctic air east to west over the Divide Fri PM making for a frigid weekend.

Short Term Forecast