CHICAGO — National Weather Service officials issued a cold weather advisory in effect until 2 p.m. Tuesday for portions of central, east central and northeast Illinois as well as northwest Indiana. Officials said dangerously cold wind chills may reach as low as 28 below zero causing frostbite to those exposed to the frigid temperatures in as little as 30 minutes.

Members of the Aviation Security Advisory Committee received a memo Tuesday saying that the department is eliminating the membership of all advisory committees as part of a “commitment to eliminating the misuse of resources and ensuring that DHS activities prioritize our national security.