Cold air will continue to spread across northwestern Pennsylvania through this afternoon. Westerly winds will pick up moisture off the lake and deposit it in the form of snow showers across the area today. Amounts through this afternoon should be limited to an inch or two, mainly across the interior higher terrain.
High temperatures today will be around 30 degrees.
A disturbance will drop southward across the area tonight bringing and increase in moisture and a shift in the winds. The winds will gradually turn to the northwest and lake effect snow bands will reorganize on this new flow late tonight. Some heavier squalls are possible, especially after midnight.
Several inches of snow could accumulate in areas where squalls persist. The heaviest snow will likely fall across inland Erie county and Crawford county.
Lows will dip to around 20 overnight.
The lake effect snow will continue through the day Thursday. The snow could be heavy at times with several inches of additional accumulation possible. By Thursday evening, some locations could receive in excess of 10 inches of snow.
Highs on Thursday will be in the mid to upper 20s.
The snow showers will continue Thursday night and Friday with additional accumulation possible.
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