The Bureau of Meteorology has warned that,even after the rain clears,the flood risk will continue for weeks as the extra water makes its way through the river system.
Heavy rainfall,damaging winds and hail will threaten large parts of the state across Friday night and Saturday morning.
A major fire burning in the ACT is moving in an easterly direction towards NSW,the RFS has warned.
Every capital city except Hobart has at least one day over 30 degrees this week,while a cool change affecting southern cities may bring a dumping of snow to the alps.
It comes on the back of what was set to be a drier-than-usual March before Friday night's downpour.
The Bureau of Meteorology issued a storm warning for the ACT on Friday night.
One expert has said hotter than average summers are causing Canberra's trees to be less colourful during the colder months.
The Australian Conservation Foundation has partnered with the Australian National University to show voters how their electorate will be hit by climate change.
The Bureau of Meteorology's seasonal report revealed December and January marked Canberra's hottest summer on record.
There's no end in sight to the warm weather that has battered Canberra throughout summer,with tops above 30 degrees expected for the first week in March.