Updated on February 10, 2021 at 6:23 am NBCUniversal, Inc. Across North Texas, preparations are underway for the extreme cold snap that could linger for the next seven days. “We pre-treated with our brine solution, which is a saltwater combination, we like to spray that on there and let it dry and we do so that when the winter weather precipitation falls it hits that brine solution and creates something of a saltwater slush,” said Val Lopez with the Texas Department of Transportation. The National Weather Service issued a Winter Weather Advisory through Thursday morning. The advisory said freezing drizzle or freezing rain could impact the Wednesday morning commute, including light icing on bridges and overpasses.