After facing iced-over roads and snow, Houston-area package delivery companies are set to resume regular hours for the rest of the week. Delivery services such as Amazon and UPS temporarily pauses services earlier this week due to the winter weather.

Houston mayor John Whitmire and Harris County Judge Lina Hidalgo both warned that the conditions will worse before they get better.

Houston is preparing for a historic winter storm expected to bring up to 6 inches of snow, a rare event not seen in decades.

Houston airports reopen after closing down due to the winter storm. FOX 26's Leslie DelasBour and Nate Griffin are live from Bush and Hobby airport with a look inside as travelers begin checking in for their previously canceled flights.

After shutting down Monday ahead of significant snowfall in Houston, the Houston Airport System announced it planned to reopen airports Wednesday morning. Some travelers got stuck at the airport thanks to the winter storm that slammed southeast Texas with its snowiest day since 1973.

Houston's two main airports remained closed for winter weather on Tuesday, leading to hundreds of canceled flights. George Bush Intercontinental and William P. Hobby closed at midnight Tuesday. United Airlines and Southwest Airlines both have major operations in Houston.

All Houston airports will reopen Wednesday after shutting down on Jan. 21 as a winter storm barreled through South Texas.