Origin: Germanic Old English prefix
Definition, synonyms and related words
plural of forecast
"The meteorologist presented three distinct forecasts for the weekend, predicting rain on Saturday and clear skies on Sunday."
Third-person singular simple present indicative form of forecast
"The meteorologist forecasts heavy rain later today."
In plain English: To forecast is to make an educated guess about what will happen later based on current information.
"The meteorologist forecasts heavy rain for tomorrow morning."