From the bureau of meteorolgy’s website.
A low pressure system and associated trough over northwestern Victoria will drift slowly southeastwards today. The low will then drift westwards to be south of Mt Gambier by late Tuesday. The low is expected to be slow moving during Wednesday before moving southeastwards and deepening on Thursday.
Forecast for the rest of Monday
Cloudy. Areas of rain. The chance of thunderstorms and local heavy falls. Winds east to northeasterly averaging 10 to 20 km/h tending east to southeasterly up to 25 km/h around midday. Daytime maximum temperatures in the low 20s.
Warrnambool Rain at times. Max22
Hamilton Rain easing. Max20
Colac Rain at times. Max22
Fire Danger: Low-Moderate
UV Alert from 10:40 am to 4:40 pm, UV Index predicted to reach 7 [High]
Forecast for Tuesday
Cloudy. Areas of rain. Light winds tending west to northwesterly up to 25 km/h during the morning. Overnight temperatures falling to around 15 with daytime temperatures reaching the low 20s.
Warrnambool Morning showers then rain. Min15 Max 20
Hamilton Rain at times. Min14 Max 20
Colac Rain at times. Min16 Max 22
Forecast for Wednesday
Cloudy. Rain. Winds north to northwesterly averaging 20 to 30 km/h tending west to northwesterly during the afternoon. Overnight temperatures falling to around 13 with daytime temperatures reaching around 17.
Warrnambool Rain. Min 14 Max 17
Hamilton Rain. Min 12 Max 16
Colac Rain. Min 14 Max 18