As winter weather confidence grows, some Houston-area school districts are canceling or postponing weekend events to reduce travel risks.

As a powerful Arctic front moves into Texas, winter weather is expected to stretch beyond Houston, with different parts of the state facing snow, sleet or freezing rain over the weekend.

Winter storm forces shutdowns, flaring and production losses across the state.

The declaration is to ensure resources are available to communities that need them.

The National Weather Service's Houston-area office forecasts southeast Texas could be hit by dangerously cold temperatures, with potentially life-threatening wind chills. Officials are opening warming shelters and pre-treating roads for ice.

Is it safe to drive in Houston on Monday morning? Here's which freeways and roads around the region are still covered with ice.

The storm, expected to be the most significant so far this winter season, will impact most of the nation east of the Rocky Mountains with snow and ice, and usher in some of the coldest temperatures seen in years,