The probability of measurable precipitation is calculated by each computer model used in weather forecasting, but the probability numbers sometimes vary considerably between models. The forecaster ...

The chance of rain, shown on a weather app, is given as a percentage. This is a relative frequency, based on real data. The chance of rain, shown on a weather app, is given as a percentage. This is a ...

The probability in weather forecasts leaves many people perplexed on if, or when, they should continue with plans, cancel or delay. As summer ramps up across North America, millions of travelers, ...