First Baptist Church is a Thermopolis church that has been preaching the Gospel and serving the community since 1904. The church holds regular Sunday morning services and emphasizes Bible preaching and teaching from the Authorized Version of the Bible, commonly known as the King James Version. Its worship is traditional and conservative, with a focus on doctrinally sound, Christ-honoring music and old hymns. The church also emphasizes fellowship and weekly gathering for spiritual growth, accountability, and encouragement.