A cold, northerly flow of air across Lake Erie will keep clouds and snow showers in the forecast across northwestern Pennsylvania today. Most of the activity will be this morning, with snow showers diminishing through the afternoon hours. It will remain cold today with highs in the mid teens.
Tonight will be mostly cloudy with a slight chance of a few snow showers. Lows will be around 10 degrees.
On Friday, low pressure will track from the northern Plains States into the Great Lakes. Clouds will thicken up early in the day with snow arriving by noon. Snow is likely to persist through the afternoon hours. This looks to be a fairly light snowfall with most locations picking up 2 to 4 inches of dry, fluffy snow. Highs on Friday will top out around 20 degrees.
The storm will move to the east Friday night with a north-northwesterly flow setting up across the area once again. Lake effect snow showers will develop and persist through the day on Saturday. Additional accumulations will be possible. Lows Friday night will dip to the mid teens with highs on Saturday reaching the mid 20s.
High pressure will bring sunshine and drier weather to the area for Sunday with high temperatures climbing to the mid to upper 20s.