CHUM will activate the Gloria Dei and Harmony Club warming centers Saturday and Sunday nights as temperatures are expected to fall below 10 degrees.

The Gloria Dei Center is located at 219 N. Sixth Ave. E. The Harmony Club Center is in the former Lincoln Park Elementary School, with an entrance off 25th Avenue West between Fourth and Fifth Streets. Both centers are open 8 p.m. to 8 a.m., and CHUM is continuing to advise guests not to arrive early.

The CHUM Drop-In Center, 125 N. 1st Ave W., is also operating as a warming center and is open every night, regardless of temperature.

The Duluth Transit Authority offers free rides for anyone specifying that they are going to a warming center.

In Superior, the Ruth House warming center, 632 Grand Ave., is open from 7 p.m. to 7 a.m. when the temperature is 40 degrees or colder.