Temps have already plummeted across Southeast Texas, but the main story will be the chance of significant snow and ice later this week.

As a significant winter storm approaches the Houston area, snow, sleet and ice are all becoming certainties as the temperatures decrease and conditions are forecasted to be more frosty than expected.

Houston mayor John Whitmire says warming centers will be open beginning on Sunday for Houstonians who need to get out of the weather. HOUSTON - Preparations are underway for the big chill and ice expected to hit Houston.

A blast of cold air is expected to move into Houston on Sunday, and we could see snow and ice early next week. Here's our forecast.