The present progressive can suggest that an action is going to happen in the future, especially with verbs that convey the idea of a plan or of movement from one place or condition to another: "The team is arriving in two hours. He's moving to Portland this summer." Because the present progressive can suggest either the present or the future, it is usually modified by adverbs of time.
Generally, progressive forms occur only with what are called dynamic verbs and not with stative verbs. If you wish to review that concept now, click