A severe weather warning has been issued for the south-west, with heavy rainfall potentially leading to flash flooding and large hailstones.
The Bureau of Meteorology says a very humid and unstable air stream is moving across the state with a slow moving low pressure trough in the west.
Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding and large hailstones in Warrnambool over the next several hours.
Winds northwest to northeasterly 15 to 20 km/h tending northwest to southwesterly in the early afternoon then tending southwesterly in the evening.
Temperatures reached 29.8 degrees at 12pm on Friday but have since dropped to about 23 degrees.
Locals are being advised to secure any loose items around their properties, never drive through floodwater and keep their vehicles undercover or away from trees.
The State Emergency Service advises that people should:
- Be aware that in fire affected areas, rainfall run-off into waterways may contain debris such as ash, soil, trees and rocks
- Be alert that in areas recently affected by fires, heavy rainfall increases the potential for landslides and debris across roads
- Check that loose items such as outdoor settings, umbrellas and trampolines are safely secured and move vehicles under cover or away from trees
- Stay indoors and away from windows
- If outdoors, move to a safe place indoors. Stay away from trees, drains, gutters, creeks and waterways
- If driving conditions are dangerous, safely pull over away from trees, drains, low-lying areas and floodwater
- Stay safe by avoiding dangerous hazards, such as floodwater, mud, debris, damaged roads and fallen trees
- Stay away from fallen powerlines always assume they are live
- Stay informed monitor weather warnings, forecasts and river levels at the Bureau of Meteorology website, and warnings through VicEmergency.
There is a 50 per cent chance of showers on Saturday, most likely in the morning and early afternoon.
Overnight temperatures are expected to fall to around 15 degrees over the weekend, with Sunday reaching a top of low to mid 20s.
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