11.   In the West, patchy snow will develop in the mountains of northern Utah and Wyoming.

12.   Intermittent snow will develop along west-facing slopes from western Montana to Utah.

13.   Intermittent snow will develop from the central Mississippi Valley to the northern Ohio River Valley as milder air rises over the cold air near the ground.

14.   Intermittent snow will develop near the eastern shores of the Great Lakes where winds from the southwest gather moisture over the water.

15.   Later Monday, snow will develop across the Front Range of the central Rockies.

16.   Light snow will develop from upper Michigan to eastern Montana.

17.   Light snow will develop in the northern Rockies, while the West will remain mild.

18.   Light snow will develop Tuesday afternoon in northern Colorado as colder air streams in from the northeast.

19.   Light snow will develop across the central and northern Appalachians as winds in advance of a cold front draw moisture northward.

20.   Light snow will develop ahead of this front in northern Minnesota and Wisconsin, while an icy mix of precipitation will be found over the central Missouri Valley.