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"tell me when it's going to rain tommorrow"

Would the service tell you what time it would be raining/not raining the next day?

Or would it alert you the first day that the weather told it that it would be raining the day after?

This would depend which weather data provider is being used. On my AccuWeather app, there's a graph showing the temps and whether it will rain etc... by the hour, but I'm not sure how accurate it is.

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