When you hear our 12 News meteorologists say there’s a “30% chance of rain,” it might sound simple — but what exactly does that mean? Meteorologists call this number the Probability of Precipitation, ...

For years, social media users have been lecturing one another about what percentages mean in weather forecasts. "Y'all know on the weather app the percentage isn't a "chance" of rain. It means it will ...

QUAD CITIES, Iowa/Ill. (KWQC) - Have you ever wondered what the terms “isolated” or “scattered” actually mean, or how meteorologists come up with the percentages for the chance of rain? A lot of times ...