It has been since Monday evening that temperatures have been above freezing and we really haven’t even been too close to freezing during this time as the Arctic air that invaded has been sticking around. Our lowest high temperature during this time at BWI occurred Friday with 22 degrees and our lowest temp of 11 during this bitter outbreak also occurred Friday. The good news is that the stretch of very cold weather will be coming to an end as we go through early next week. Unfortunately though, as this warming starts, there will also be some moisture that comes in that will could result in a little wintry weather Monday. Then after “warm” weather, a lot of clouds, and perhaps some wet weather Tuesday and Wednesday, colder air will come back in for the end of the work week.
High pressure will be approaching from the west in the wake of the system that brought a general light snowfall mid Friday afternoon into the evening. We will have an active northwest flow of cold air across the region with dry air, and some sunshine, but there have been a few light flurries flowing across the area on radar early Saturday morning.
As the high builds eastward Saturday night and overhead Sunday we look for very cold weather again with mainly clear skies. Clouds will eventually work back in later Sunday night and Monday as the high pressure moves off to our east and moisture coming northward with a warm front spreads to Michigan and central Ohio by the end of the day. This moisture will keep advancing northward and eastward and bring us a period of wintry weather Monday. It looks like it could be a little sleet and freezing rain to start, but the biggest concern is for freezing rain that can make things very icy Monday morning into Monday afternoon. Not a lot, but enough. The cold surfaces we have had with this recent Arctic outbreak will not help. Temperatures will hold steady or rise Monday night with some rain and drizzle continuing for a time.