There have been about 300,000 lightning strikes in Victoria during the past 24 hours.

Moorabbin has had its wettest November day on record while Ballarat and Yarrawonga district suffered wind damage.

The SES said on Monday morning it had 385 calls for help in the previous 24 hours.

A storm also hit the north-east on Sunday afternoon, with a 70-year-old woman taken to hospital after being blown off her feet at Yarrawonga Holiday Park.

Strong winds in and around Ballarat on Monday morning also meant one building lost its roof.

There were 170 SES calls in and around Melbourne, particularly because of flash flooding.

Suburban Moorabbin reported 63mm of rain to 9am on Monday.

Earlier: Warrnambool has received 30mm of rain since 9am Sunday.

Casterton received 17mm, Portland airport 11.8, Dartmoor 8.8, Westmere 24.6, Hamilton 32.8, Mortlake 28.4, Mount Gellibrand 29.6 and Port Fairy 16.

Today across the south-west will be cloudy with a medium (50 per cent) chance of drizzle.

Winds south to south-westerly 25 to 35 km/h becoming light in the evening.

At 7.30am it was 13.7 in Warrnambool.

The city is expecting a top of 18 degrees, Hamilton 19, Colac 21, Ararat 21, Casterton 21, Mortlake 20, Heywood 19, Portland 18, Port Fairy 17, Terang 18 and Camperdown 18.

A broad trough of low pressure across the state will continue to move slowly east and will clear eastern Victoria during Monday.

A high pressure system building over the Bight will extend a ridge across southern Victoria from the west on Monday.

The high centre will weaken on Tuesday as a cold front moves south of the Bight, with the centre re-emerging over the Tasman Sea by Tuesday night.

Another high centre will build over waters south of the Bight on Wednesday, and become the dominant high in the area by Wednesday night, rapidly extending a ridge across Bass Strait before the high centre moves near Tasmania during Thursday.

For the week ahead - Tuesday partly cloudy 19, Wednesday sunny 27, Thursday partly cloudy 19, Friday partly cloudy 28, Saturday mostly cloudy 26, Sunday mostly cloudy 19 and Monday partly cloudy 22.

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