Monday 11 a.m.
Light snow affected the Boston and Philadelphia areas last night, but it missed most of the New York City region. Another fast-moving low pressure area brought 3 inches of snow to much of the Chicago area early this morning. The storm will spread a stripe of snow eastward this afternoon and tonight. It will become slippery overnight in the I95 corridor between Washington, D.C., and New York City. An inch or two of snow could accumulate in much of that area by the time the system moves off the East coast early tomorrow. This video has more.
Another clipper-type low pressure area follows the first, but it will take a track 50-100 miles farther north than today's low pressure area. Its speed suggests that the snow will hold off until after the morning commute in Chicago tomorrow, then it will reach the area from Philadelphia to Boston tomorrow night and early Wednesday. It has little moisture at the moment but will gain more strength moving into the East.
Toward the end of the week and during the coming weekend, the upper air flow will become more westerly or even southwesterly for the lower Great Lakes and the Middle Atlantic states. This means it won't be as cold then as it will be the next few days. As the pattern continues to evolve next week, it appears that we could see a storm that tracks from the southern Plains to the Great Lakes then into eastern Canada. Such a storm would pull much milder air up the East Coast, followed by colder weather after the storms and its associated cold front have gone by.
One question mark is whether there is a significant precipitation event before the "warm storm" arrives. Such a system could cause a nasty assortment of snow, ice and rain early next week in the Northeast.
This map shows the snowfall that is predicted from the low pressure area that whisks through the Middle Atlantic states tonight.
Comments that don't add to the conversation may be automatically or manually removed by Facebook or AccuWeather. Profanity, personal attacks, and spam will not be tolerated.