The four-day conference will focus on the opportunities the SNP believe independence will bring Scotland, with Nationalists seeking to contrast these with the consequences of remaining part of the UK.
Scotland's First Minister Alex Salmond is set to give a welcome address when the conference kicks off later.
More top news
School fees, pricey private medical care and the fear of interest rate rises mean even those on £200,000 are feeling the pinch.
Overnight it will be cooler and fresher but most places will stay dry with a nippy start to Sunday.
X Factor contestant Raign seems to impress the Wembley audience with her own song even though Cheryl finds her "really annoying".