Winds will be northerly 15 to 20 km/h shifting west to south-westerly 20 to 30 km/h in the morning.

At 7am in Warrnambool it was 7.2 but felt like a cool 2.9.

Warrnambool is expecting a top of 21 degrees, Hamilton 25, Colac 24, Casterton 26, Mortlake 25, Heywood 23, Portland 20, Port Fairy 20, Terang 21 and Camperdown 21.

A high pressure system over the Tasman Sea extends a ridge across Victoria.

A weak trough will cross the state on Monday night then another high pressure system will develop west of Tasmania on Tuesday and move slowly eastwards, reaching the Tasman Sea on Wednesday.

Meanwhile, a cold front and associated trough will move into the Bight on Wednesday and are expected to cross Victoria during Thursday.

For the week ahead it's all plain sailing - Tuesday partly cloudy 15, Wednesday a stunning 28, Thursday cloudy 23, Friday 17, Saturday 16, Sunday 17 and next Monday 21.

Have you signed up to The Standard's daily newsletter and breaking news emails? You can register below and make sure you are up to date with everything that's happening in the south-west.