Forecast issued at 4:26 pm EDT on Thursday 19 January 2017.
A large high pressure system to the southeast of Tasmania will continue move eastwards reaching the Tasman Sea tonight. A deepening low pressure trough over South Australia, will approach western Victoria tonight. As the trough moves rapidly eastwards across Victoria on Friday, a low pressure centre expected to develop along the trough. This low will move eastwards across the Tasman Sea on Saturday as the next high pressure system approaches from the west. The high will drift to the east of Tasmania during Sunday. Another cold front will approach Victoria from the west during Monday.
Forecast for the rest of Thursday
Cloudy. Medium (60%) chance of showers near the Otways, slight (30%) chance elsewhere. Winds southeast to southwesterly 15 to 20 km/h tending northeast to southeasterly in the late evening.
Friday 20 January
Cloudy. Very high (95%) chance of rain, most likely in the morning. Locally heavy falls during the morning. Winds northwest to northeasterly 15 to 20 km/h tending west to southwesterly 20 to 30 km/h in the morning then tending south to southwesterly 25 to 40 km/h in the middle of the day. Overnight temperatures falling to around 15 with daytime temperatures reaching the low 20s.
Fire Danger - High
Sun protection 9:30am to 6:00pm, UV Index predicted to reach 14 [Extreme]
Saturday 21 January
Partly cloudy. Slight (20%) chance of a shower in the east in the early morning. Winds south to southwesterly 15 to 25 km/h tending south to southeasterly during the day. Overnight temperatures falling to between 8 and 14 with daytime temperatures reaching the low to mid 20s.
Sunday 22 January
Sunny. Winds east to southeasterly 15 to 20 km/h becoming light during the morning. Overnight temperatures falling to between 9 and 13 with daytime temperatures reaching 27 to 32.
Monday 23 January
Partly cloudy. Medium (60%) chance of showers, most likely in the afternoon and evening. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly 15 to 25 km/h during the morning then tending north to northeasterly during the evening. Overnight temperatures falling to around 18 with daytime temperatures reaching the low to mid 30s.
The next routine forecast will be issued at 5:40 am EDT Friday.