Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.

Both Hobby and Bush airports are shut down on Tuesday due to the winter storm. If you were planning to fly out this week, here's what you need to know.

Airport officials said they would monitor weather conditions throughout the day Tuesday to decide if the airports will resume operations Wednesday.

The Terminal B lobby at George Bush Intercontinental Airport used for flight check-ins, TSA security and baggage claim will temporarily close.

The Terminal B lobby at George Bush Intercontinental Airport (IAH) will temporarily close on Jan. 21, marking a significant milestone in United Airlines ’ $2.5 billion project to redevelop the terminal. The lobby is expected to reopen in 2026, according to a Houston Airport System press release.

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as residents along the East Coast contend with a thick blanket of snow — and more snowfall in the forecast.

More than 130 flights have been canceled or delayed due to icy conditions across Texas. Dozens of flights at the Austin-Bergstrom International Airport have been canceled Tuesday as winter weather brings snow and icy conditions to Central Texas and much of Texas.

If you're flying out of these large airports in Texas, here's what the delays look like as of 10 a.m. CT on Jan. 21, according to FlightAware.

A powerful and rare winter storm swept across the South on Tuesday, bringing the first-ever Blizzard Warning to the Gulf Coast and blasting communities from Texas to Florida to the Carolinas with record-shattering snow that snarled travel and brought daily life to a halt.

HOUSTON — All Houston airports will close Tuesday due to the winter storm expected in the area, officials said Sunday. An arctic front with wintry precipitation is expected to move into the area overnight Monday.

George Bush Intercontinental Airport and William P. Hobby Airport will close at midnight on Tuesday due to the incoming Arctic front.