Snow will track through the mid-Atlantic throughout tonight. This will help produce generally light snow across central Pennsylvania to the Delmarva Peninsula by tonight. snow will occur across this area through tonight. Across the higher elevations around the Appalachians from West Virginia to southern Pennsylvania 3-6 inches of snow is expected. Through Sunday, downwind of Lake Erie, there can be localized amounts of 8-10 inches of snow. Also on Sunday, east of Lake Ontario heavier snow squalls are expected to develop.
Turning our attention to the western United States, a storm system will move onshore later tonight into Sunday. This will spread snow into the southern Cascades to the Sierra Nevada. Some of this snowfall can be heavy, accumulating more than 6 inches.
In the meantime, a developing low pressure will spread moisture northward into the Plains Sunday night. First, Sunday morning, across southeast New Mexico spreading into northern Texas there can be a mixture of snow and sleet. Snow will be possible from Kansas eastward to Iowa, Missouri and Illinois Sunday night. As of now it appears to be just an inch or so of snowfall.
By Matthew Greene, meteorologist.
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