Miracle Child (1993)

A despairing young widow who abandons her baby at pond-side among bulrushes and a man who's fighting to reclaim his own son are drawn together. A baby plops out of a rainy, stormy sky into the arms of the town's beloved, vaguely addled spinster. Miracles suddenly reverse the fortunes of the town as drought and unemployment disappear, only to be replaced by boosterism and greed.

Unfortunately the movie Miracle Child is not yet available on HBO Max.