Public sector debt now stands at 66 percent of GDP - it is more and more likely that Chancellor George Osborne will ditch the target of debt moving down by 2015.
Government borrowing has been revised down for April - July, but mainly down to a big fall in local council borrowing, central government borrowing was up £200m.
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After a frosty start, southeastern areas will be dry with increasing amounts of sunshine developing. It will remain cold throughout the day.
Higher food and petrol prices are expected to send inflation to its highest level in 28 months when official figures are released later.
The Prime Minister will detail her 12-point plan on negotiating Britain's exit from the European Union during a speech on Tuesday.