https://www.theguardian.com/tv-and-radio/2021/apr/26/always-take-the-weather-with-you-100-years-of-forecasting-broadcasts

In the century since the first on-air report in 1921, meteorologists have - almost - got the science of forecasting down to a fine art

Exactly 100 years ago today, at 10.05am on 26 April 1921, an unassuming cleric and academic, Rev William F Robison, the president of St Louis University, made history as the first person in the world to broadcast a weather report. He was launching the university’s own radio station, WEW, and followed some opening remarks with a 500-word meteorological bulletin.