RhymeZone: nowcast definitions

Definitions of nowcast:

verb: To predict the weather for a very short upcoming period (usually a few hours).
verb: (statistics, modelling) To estimate what is currently happening based on knowledge of how data is biased.
noun: (meteorology) A weather forecast predicting the weather for a very short upcoming period, usually only a few hours.
noun: (statistics, modelling) An estimate made by nowcasting.

(Definitions from Wiktionary)