The Bureau of Meterology is warning that a severe thunderstorm is likely for the Canberra region.

It said at 3.24 pm on Friday that storms were "likely to produce damaging winds, large hailstones and heavy rainfall", perhaps leading to flash flooding over the next few hours.

The bureau has issued a severe thunderstorm warning for Canberra.

The affected area extends from Sydney down to Bega on the coast and inland to Wagga Wagga, including Canberra.

The State Emergency Service advises people should: