You have been granted access, use your keyboard to continue reading.A WindBorne weather balloon filling with helium.Thanks to A.I., companies like WindBorne hope to usher in a golden age of forecasting. But they rely in part on government data — and the agency that provides it is in turmoil.A WindBorne weather balloon filling with helium.Credit...July 13, 2025Weather forecasts, believe it or not, have come a long way. A five-day forecast today is as accurate as a three-day forecast four decades ...