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Snow Showers and Squalls from Northern Plains, Rockies into the Great Lakes; Fire Weather Concerns for Southern California; Potent Storm for Alaska

Clipper systems will track across the northern tier of the country through Friday. Snow showers, a few squalls are expected for the northern Plains and Rockies with lake effect snow downwind of the Great Lakes. Dry conditions and gusty winds continue for Southern California with trends of some wet weather arriving this weekend. An atmospheric river event will impact Alaska with heavy precipitation Read More >

A disturbance this evening into Friday will allow light, dry snow through the morning. With well developed cold pools in valleys, western MT valleys may receive slightly higher amounts due to the depth of the dendritic layer. Allow extra travel time due to slick roads.
Cold temperatures continue but Sunday morning may be a little colder than recent mornings. Here’s a preview of the expected temperature ranges for the coldest period, spanning January 25–26.
Stable high pressure will bring an increasing chance of valley inversions, along with freezing fog and stratus. Watch for reduced visibility and a few slick spots with any freezing fog. Air quality is expected to gradually decrease due to limited mixing.