The ACT State Emergency Service (ACTSES) has received a total of 20 calls for help since 11am today following the wet weather.
ACTSES volunteers and ACT Fire & Rescue are responding to mostly minor flooding jobs.
The Bureau of Meteorology has issued a Severe Thunderstorm Warning for the ACT for heavy rainfall and large hail this afternoon.
The community is urged to stay well clear of flooded drains and other waterways. Motorists are also advised to take care and drive to the conditions.
Residents can call the ACT SES on 132 500 for storm or flood assistance.