Heat loss in rear of journey

What is your question?

2013 Dodge Journey RT blowing cool air in middle and rear sections of car when temperature set high. Also issue with side windows fogging up more than usual during the cooler temps. Front heat on full, temp is warm most the time but does tend to be cooler than should be for high temp setting

What makes this problem better or worse?

Cooler weather

How long has your 2013 Dodge Journey had this problem?

Past few weeks