A deepening upper level trough will swing eastward through the Great lakes tonight and Tuesday. Surface low pressure developing ahead of this trough will track northward through the eastern Great Lakes tonight.
A band of precipitation moved across the region today with rain, freezing rain, sleet, and snow occurring. Eventually, most of the precipitation across the region will change to rain as milder air spreads northeastward across the region. The exception will be across portions of western New York and northern Pennsylvania where a wintry mix of snow, sleet, and freezing rain will persist tonight.
It will be windy near the south shore of Lake Erie tonight with gusts in excess of 45 mph possible.
A cold front will sweep eastward across the region late tonight and early Tuesday, changing any lingering precipitation back to snow showers.
A cold cyclonic flow across the area on Tuesday will promote the continuation of scattered snow showers. By later in the day, the air aloft will become sufficiently cold to produce some lake enhanced/effect snow showers downwind of the lakes.
Areas of lake effect snow will continue across snow belt areas Tuesday night and Wednesday as the cold air continues to deepen across the area. Outside of the snow belts, scattered snow showers and flurries will be possible.
Below normal temperatures and scattered snow showers will likely continue through the end of the week.
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