A deepening low will generate showers and thunderstorms across South Australia, Victoria, Tasmania, and New South Wales, ending days of extreme heat.
A trough will produce showers and storms in northern parts of South Australia and Western Australia, while onshore winds will direct coastal showers in central and northern Queensland.
High pressure will keep southwest Western Australia mostly clear.
Here's your state-by-state forecast for Sunday November 22, 2020:
A slight to medium chance of showers about the east coast north of Mackay.
Mostly sunny elsewhere and temperatures above average in the southwest and southern interior.
Light to moderate east to northeasterly winds, tending fresh at times over northern, central and western districts.
The Fire Danger is set to be Very High for Peninsula, Northern Goldfields and Upper Flinders, Central Highlands and Coalfields, Darling Downs and Granite Belt.
NSW & ACT
A shower or two and the chance of a thunderstorm, most likely during the afternoon and evening, and chiefly in the south.
Mostly dry and partly cloudy in the north. Hot with daytime temperatures above average, particularly across the inland districts.
Northwesterly winds inland, fresh at times. Fresh northeasterly sea-breezes along the coast. A southwesterly change entering the far southwest later.
Fire Danger will be Very High for the North Western and Far North Coast fire areas.
Patchy early fog in Gippsland. Mostly cloudy with scattered showers and isolated thunderstorms over the southwest extending throughout during the day with showers increasing at night.
Thunderstorms possibly severe in the afternoon in the north and east. Mild in the south, warm to hot in the north.
Light winds tending moderate northwesterly over the north during the day.
Fire Danger will be Moderate to High, reaching very high in the Mallee.
Showers, easing then mostly clearing during the evening.
East to northeasterly winds turning southerly in the afternoon and evening.
The chance of showers and gusty thunderstorms apart from in the northeast, more likely over the central and eastern parts of the agricultural area, the North West Pastoral and far south of the North East Pastoral.
Warm near southern and western coasts grading to hot inland and very hot in the northeast.
Moderate to fresh northeast to northwesterly winds ahead of a cooler southwest to southerly change in the west extending eastwards, reaching eastern parts of the state in the late afternoon or evening.
Showers and thunderstorms over the Kimberley, eastern Pilbara, far northeast Gascoyne and Interior.
Showers and thunderstorms possible over the Eucla and far eastern Goldfields in the morning.
Mostly sunny in the Barkly and northeast Simpson Districts. A slight to medium chance of showers and storms elsewhere. Very hot south of Elliott.
Light to moderate north to northeast winds, tending southeast to southwest over the southwest Lasseter District, extending across the Lasseter District and into the Tanami District during the evening. Winds fresh and gusty during the morning in the Lasseter, southeast Tanami and southwest Simpson Districts.
Fire Danger - High in the Simpson, Lasseter, southern Tanami and southeast Gregory Districts.
- Reported with Weatherzone and the Australian Bureau of Meteorology.
Source: 9News https://www.9news.com.au/national/weather-forecast-australia-severe-thunderstoms-forecast-to-break-heatwave-southeast-weatherzone/2e4b325d-64a2-482f-a925-d3352f331252