Bureau of Meteorology issues a severe weather warning for southern NSW, hail unlikely in Canberra

Despite the balmy weather Canberrans experienced over the weekend, the deluge of rain and miserable weather is only set to worsen by Thursday as a thunderstorm hit the city in the morning.

Hail had been intially forecast by BoM, but duty forecaster Jake Phillips said on Thursday morning the likelihood of that was low.

"It's not looking very favourable for it now, but some of these storms that come through could be quite gusty," he said.

"There is still some risk we may be issuing thunderstorm warnings for the region so we do ask people to keep an eye out for any warnings that may be issued."

The storm forecast to push east across the ACT was expected to bring up to 10mm of rain and clear by the afternoon.

"The heavier falls are on the western side of the Brindabellas and down towards the Snowy Mountains," Mr Phillips said.

The weather bureau has issued a severe weather warning for parts of southern New South Wales with winds expected to reach between 60 and 70 km/h by mid-morning. Gusts are predicted to hit more than 90 km/h but will ease by the afternoon.

The storm front will move from the state's southern regions to the north-east by the afternoon where winds are anticipated to ease.

Mr Phillips said the weather would clear by Friday with a dry start to the weekend, but more showers may develop on Sunday.

"It's likely to remain fairly windy through this afternoon and evening behind the showers and storms," he said.

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In January this year, Canberra experienced a freak hail storm that devastated much of the city's buildings and private property. The "golf ball" sized hail resulted in more than 37,000 insurance claims being made and was deemed the largest hailstorm in more than 20 years.