A Winter Weather Advisory is in effect for several mountainous regions in Montana and Idaho, with snow accumulations of up to a foot in some areas and winds gusting as high as 40 mph. The advisory is set to last from 11 PM Wednesday until 11 PM Thursday, affecting pass levels and lower elevations below 6000ft. A weak disturbance brought light snow to parts of northwest Montana overnight, with temperatures in the 30s and 40s expected.
An area of low pressure is expected to move south of the region on Thursday into Friday, bringing wrap-around moisture and light snow accumulations of up to 3 inches in valley locations and 3 to 6 inches in higher elevations. Gusty northerly winds are also anticipated. However, a break from wintry weather is on the horizon for the weekend as a ridge of high pressure brings warmer and drier conditions, with temperatures above seasonal averages. The mild weather will be short-lived, as long-range models indicate a return to cooler and more active weather next week.
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