Telecom Calls, texts... and forecasts? Mobile phone towers can predict rain too Updated : October 18, 2019 09:02 PM IST Mobile phone towers transmit radio signals that are disturbed when it rains, providing data that enables local weather agencies to improve the accuracy of their rainfall predictions. Improved forecasting is key to helping farmers deal with the impact of climate change, which is making weather patterns harder to predict, he said. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.