With the chances of a historic Florida snow or ice storm inching upward, forecasters may issue a rare winter storm watch for a region more accustomed to squall lines and tropical threats.

The Arctic blast that is hitting the U.S. will sweep through parts of Texas with one forecaster predicting large snowfalls, and a map by Newsweek shows the hardest hit areas. A forecast shows "significant snow" across the southeast of the Lone Star State in the coming days,