100% rain, according to weather forecasts, means that precipitation is highly likely during the specified period.
Based on the provided reference, a 100% chance of rain indicates:
- You will receive precipitation at some point during the forecast period.
- The precipitation may last the whole time period or just an individual window of time.
In simpler terms, if the forecast states a 100% chance of rain, you should expect rain. This doesn't necessarily mean it will rain continuously, but you can be almost certain that rain will occur at some point within the forecast period.
