Monday, isolated to widespread showers along with possible, ( no definite,) thundery showers/ storm for the Southeast and NE NSW. Below is the GFS and EC stormcast. Once agin the models are not picking up the Southeast area to well but is doing a good job with the monsoonal low and heavy rain up North. At this stage it looks like we are in a holding pattern of warm temperatures and showers.

The gfs and ecmwf





Forecast sounding