Source: The Great Interpretation of Dreams (Ibn Sirin)
Steam in a dream indicates worry, grief, and an incomplete matter. It indicates false speech.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Steam indicates confusion and hesitation. Whoever sees it coming out of his mouth is telling lies.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Steam is interpreted as worry. Whoever sees it will be afflicted with worry.