Image of the Day
Wednesday: Lows Friday and Saturday mornings will be quite cold across the Midwest to Northeast as a glancing blast of frigid temperatures races through. The Northeast will be coldest Saturday morning with NYC into the lower 20s. Demand will be strong late this week but will moderate next week as milder conditions gradually return.

The image shows the heat signature just off the surface for Friday as a frigid air mass provides a quick glancing blow across the Midwest and Northeast.