1.   Brief showers will dot the high ground from upstate New York to northern Maine.

2.   Building warmth will dominate in the valleys of the Pacific Northwest, while showers dot the peaks of the Cascades.

3.   Mountain snow and valley rain showers will dot most other places in the Northwest.

4.   Numerous showers will dot the northern Plains and Northwest as several jet stream disturbances push east.

5.   Showers will dot the northern Great Lakes as a jet stream disturbance passes overhead.

6.   Snow showers will dot most of the mountains of the interior Northeast and the Middle Atlantic States on Monday as a jet stream disturbance dives south from Ontario.

7.   Snow showers will dot the northern Sierra ahead of a jet stream disturbance.

8.   Snow showers will also dot the western slopes of the Rockies.

9.   Snow showers will dot the mountains of northern Wyoming and western Montana as cold air slides south from Canada.

10.   During the morning ... Widely scattered showers dotted interior southeast Puerto Rico.