The weather forecast shows 70%. What do you mean?

The weather forecast shows that 70% means that the probability of rain or snowfall is 70%. In weather forecast, probability forecast refers to the possibility of a certain weather phenomenon. The numbers 1 to 100 represent the possibility, 1 represents the possibility of 10%, 2 represents the possibility of 20%, and so on. If the forecaster predicts that the probability of rain tomorrow is 70%, then he means that the probability of rain tomorrow is 70%.