Following the storm that brought snow, ice and rain to the Midwest and Northeast, a quick shot of cold air can create icy conditions by early Tuesday.
Just enough cold air will filter to cause some wet and untreated surfaces to become icy from the Ohio Valley states to the interior mid-Atlantic and New England during Monday night into Tuesday morning.
In some cases, the rain from Monday will have washed away ice-melting compounds. In other areas where snow fell on Monday, partial melting from Monday afternoon will have diluted the existing amount of salt on roads, parking lots and sidewalks.
Icy spots can extend as far south as the southern Appalachians and to the mid-Atlantic and southeastern New England coasts.
Motorists and pedestrians are urged to travel with caution as surfaces that may appear wet may, in fact, be icy.
Typically, enough wind occurs in the wake of a storm to cause wet surfaces to dry off. While this will take place in some areas, winds may not be strong enough to dry all surfaces before they have a chance to become icy as temperatures fall.
Where a few inches of snow fell from Monday's storm, melting and re-freezing cycles will continue to be a problem in parts of the Midwest and interior Northeast through the middle of the week.
Light winds and clear skies over areas with snow cover can lead to frigid conditions through the middle of the week during the nighttime hours.
With the exception of where there is snow cover, the weather this week will not bring the extreme level of cold from last week. In most cases, temperatures from the Midwest to the East will average 10-20 degrees higher this week compared to last week.