Angry Red Skies is a mythos card. It first appeared in the Dunwich Horror expansion.
Mythos Type: Environment (Weather)
Gate Opens: Wizard's Hill
Clue Appears At: *Gardner's Place
Mythos Ability: Will checks in Arkham are made at a -1 penalty. Lore checks in Arkham are made at a +1 bonus. Fliers do not move to or from the Sky.