forecasting (n.)

• aerology
• apocalypse
• climatology
• foreboding
• forecast
• foresight
• foretelling
• guesswork
• improbability
• meteorology
• nephology
• omen
• pneumatics
• prediction
• prefiguration
• presage
• presentiment
• probability
• prognosis
• prognostication
• promise
• prophecy
• prospectus
• speculation
• vaticination