A map of California shows where drivers are advised against taking detours during a winter storm. A map of California shows where drivers are advised against taking detours during a winter storm.

An incoming atmospheric river will usher in a winter storm with up to 4 feet in some ... to 4 feet of snow during the same time period. A map from AccuWeather shows that the areas anticipating ...

In the NWS map above, the Michigan U.P. counties in pink are under Winter Storm Warnings until early Thursday. To the west of us on the map, you can see more Winter Storm Warnings - even a big ...