US Weather Spotlight: 12-21-18 | weatherology°
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By: Meteorologist Phil Genskow
Updated: Jan 25th 2022

US Weather Spotlight: 12-21-18

Large storm system continues to produce precipitation in the eastern third of the country, with the heaviest activity expected ahead of the low center to the north and east as it moves from the southeast early today to the Mid-Atlantic by afternoon/evening, and then into New England and eastern Canada during the overnight. Some snow will be possible as well with this system, mainly on the west and northwest side, with some accumulation possible, especially in the Appalachian Mountains and maybe parts of eastern OH and KY, and western NY and PA with a gradual changeover potentially.

A low pressure system will track quickly through southern Canada today as well, with a frontal boundary extending southward into the Northern Plains. This system will bring snow showers in eastern MT early, into ND and northern SD through the evening, and into northern MN during the overnight. Some areas in eastern MT and the Dakotas could see a changeover to rain or mix with rain.  

Weather quiets down briefly in the northwest with just scattered mountain snow showers and isolated valley rain showers, but then the next system approaches western WA during the overnight increasing rain chances once again in that region towards Saturday morning.