A new and distinct cultivar of Impatiens plant named Tempest, characterized by its relatively large diameter red and very light pink bicolor flowers, a standard petal which is larger than the other petals, dark green leaves with heavy greyed-orange variegation around the midrib, early flowering habit, highly self-branching and floriferous habits, flowering entirely above leaf canopy, tolerance to both high and cool temperatures, and its adaptability to be grown in 10 cm up to 15-25 cm containers.