I. Introduction 1:1
II. A past day of the Lord: a locust invasion 1:2-20
A. An initial appeal 1:2-4
B. A call to mourn 1:5-13
C. A call to repent 1:14
D. The significance of the plague 1:15-20
III. A near future day of the Lord: a human invasion 2:1-27
A. The invading army 2:1-11
1. The nearness of the army 2:1-2
2. The destructive power of the army 2:3-5
3. The relentlessness of the army 2:6-9
4. The invincibility of the army 2:10-11
B. A call to repentance 2:12-17
1. An appeal for private repentance 2:12-14
2. An appeal for public repentance 2:15-17
C. The possibility of forgiveness and restoration 2:18-27
1. The Lord's gracious response 2:18
2. The Lord's promise of blessing 2:19-27
IV. A far future day of the Lord: another human invasion and deliverance 2:28-3:21
A. Israel's spiritual renewal and deliverance 2:28-32
B. God's judgment on Israel's enemy nations 3:1-17
1. The announcement of judgment 3:1-8
2. The description of judgment 3:9-17
C. Israel's ultimate restoration 3:18-21