Storm chaser Aaron Jayjack reports roads and highways covered in snow and ice in the aftermath of the historic winter storm in Houston, Texas, on Jan. 22. But warmer weather is coming to thaw the ice.

With freezing temperatures holding firm, much of Houston remains at a standstill, as schools, businesses and many roads remained closed Wednesday morning. State of play: Driving on roads is still not advised as melted snow has refrozen.