Warmer air will try to spread north, and this will change the snow to a wintry mix. This mix may get into the metro by late afternoon. The mix transition line will track north of I-64 Tuesday evening ...

On Monday, mostly sunny skies will allow for temperatures to get into the upper 30s and low 40s. Clouds will return Monday afternoon/evening as a storm approach from the west.

The National Weather Service has issued a winter storm watch for all of Northern Virginia Tuesday into Wednesday, with heavy snow possible.

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