More than 400 departing flights were cancelled from Houston, Dallas and Austin airports.

Several parts of Texas are under a winter weather advisory, including counties east of El Paso, Dallas, Austin, and areas north of San Antonio.

Spend the warmer time Thursday and early Friday figuring out how to protect your pipes, plants, pets and people before the frigid temperatures set in.

On a day when conditions were deemed too treacherous to open schools or government offices, they didn't keep Rockets fans from lining up for hours outside the Toyota Center to score a free bobblehead.

Thousands of homes and businesses were without electricity Sunday morning in the Houston region, where residents awoke to cold, wet and in some cases icy conditions as a winter storm moved in.

Houston and all of Texas remain in the grips of a very cold Arctic air mass. Morning temperatures were solidly below freezing, with wind chills in the teens. A few lingering icy patches remain a concern,

Temperatures will continue to drop this evening, however.

This historic storm will spread destructive ice and heavy snow over 34 states through Monday in the South, Midwest and Northeast, including a potential nor’easter. Here is the very latest forecast.