As an Arctic blast barrels into Southeast Texas this weekend, Houston-area businesses and event organizers are announcing closures and cancellations due to the threat of freezing temperatures and potentially dangerous conditions.

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.

Ice is creating dangerous travel conditions across Houston. Use this live tracker to see which roads are closed and where conditions are worsening.

National Weather Service predicts freezing temps might be even colder than expected for this weekend's winter storm, placing Houston under extreme cold watch.

Monday morning is frigid with temperatures in the 20s and wind chills in the low teens. As we move into the afternoon, we'll get some partial sun to help only slightly warm things up.

CenterPoint Energy has mobilized a massive workforce of 3,300 line workers and 700 natural gas personnel as Southeast Texas prepares for a significant winter storm expected to bring ice and freezing winds Saturday night.

Houston benefits from a dose of rain Wednesday ahead of a powerful arctic front that could deliver a dangerous wintry mix of freezing rain and ice.

The region is expected to briefly thaw Monday afternoon before another hard freeze at night. The National Weather Service forecasts more freezing weather this weekend.

Winter weather is disrupting flights nationwide. Houston Airports have crews ready as passengers face delays, cancellations, and changing travel plans.

Climate scientists and policy experts say extreme weather is inevitable-but how Houston prepares for it can make all the difference.

Chronicle reporters and photographers are following road conditions, power outages and other storm impacts for the duration of the freeze. Follow along here for updates.