Houston and Southeast Texas are all but certain to get rained on Saturday, so the only mystery is: When will the rain turn into something more icy?

Texas officials are warning residents to use extreme caution when heating homes during potential winter power outages to prevent deadly fires and carbon monoxide poisoning.

Today, their primary focus will be applying brine to highly-traveled corridors, including I-35, I-14, SH 6, US 84, and other major roadways.