Reuters with the weather forecast!
Unless its an example of the Chinese hacking of the Aussie weather bureau!
El Niño is a weather phenomenon that leads to dry conditions in much of Australia and New Zealand and thus weighs on agricultural production. If its easing then we may see better agricultural production to come.
Don't go day trading the AUD or NZD on this, K? At least, not all by itself. there are other factors at play too.