Authorities are urging Texans to take precautions out on the roads as a winter storm starts to hit parts of Texas, including the El Paso area.

The Texas power grid system, which failed during a previous winter storm, could be put to the test this weekend as the region faces subfreezing temperatures and dangerous wind chills.

North Texas is feeling the impact of the winter storm that is sweeping across the region. With forecasts calling for freezing rain, sleet and snow, roads are expected to be hazardous.

CapMetro will stop buses, trains and paratransit at 4 p.m. Saturday due to ice; limited service will support cold-weather shelters.

Follow live winter storm updates and breaking weather news as snowstorms are predicted to fall across the U.S. this weekend, affecting states as far south as Texas.

A winter storm and the coldest temperatures of the season will be arriving in North Texas starting Friday. Ice, freezing rain and snow are all in the forecast and make for a dangerous combination for roads.

A tenth of an inch of ice can lead to slick roadways and sidewalks, while a quarter-inch of ice or more could snap tree limbs and down power lines.

There are a few things you can count on in life: Death, taxes and H-E-B being there for Texans during a crisis.