High pressure will gradually build across the region today. Residual moisture over the area combined with the colder westerly flow in place will result in some light snow or flurries today, but any accumulations will be quite limited. Clouds could begin to break up a bit this afternoon as some drier air arrives.
Any lingering flurries will end this evening as high pressure becomes well established across northwestern Pennsylvania. Skies will become partly cloudy overnight.
On Wednesday, a storm in the southern branch of the jet stream will move across the Tennessee Valley and into the Mid Atlantic states. Precipitation associated with this system could make it as far north as southwestern Pennsylvania, but our area will most likely remain dry. It will become mostly cloudy however, as high level cloudiness from the passing system spreads across the area.
Sky conditions will improve Wednesday night as the Mid Atlantic system moves away. Then our attention turns to the west. A clipper will move southeastward through the Great Lakes late Thursday. Clouds will increase once again across the area on Thursday with rain or snow showers possible, especially during the afternoon.
The clipper will pass by to our north Thursday night, dragging a cold front across the area. Snow showers will continue in the cold northwesterly flow behind the cold front. More organized lake effect snows are possible on Friday as the northwesterly flow persists and cold air deepens across the area.
Chilly temperatures and scattered snow showers will likely persist through the weekend as trough digs into the eastern part of the country.
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