Some schools in the Greater Houston area will be closed on Tuesday, Jan. 21, as an arctic blast freezing precipitation and hazardous road conditions to Texas.

With an arctic blast on the way, Texas officials want to make sure people understand weather conditions are about to change.

As a slug of polar vortex-fueled arctic air overtakes the eastern two-thirds of the U.S. next week, a storm system could bring snow, sleet and freezing rain to places deep in the heart of Texas, but the forecast isn’t a lock just yet.