system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
What does the percentage chance of rain in a weather forecast indicate?


assistant
This provides the probability of rain from models projected by meteorologists. For example, a 50% chance of rain translates to meteorologists seeing rain in 50% of the scenarios with the similar air pressure, temperatures, time period, and other factors they use in their modeling scenarios.