A trough is triggering storms over central WA, southeastern SA and northwestern VIC. Hot northerly winds ahead of this trough are bringing heat to SA and VIC. A broad region of low pressure is producing a few thundery showers in the tropics and the southern NT.
Thu 17:37 EDT Adelaide has nudged 43 degrees, making it the hottest December day since 1931 and the second hottest on record.
Thu 14:19 EDT The longest day of the year will see cooling across many of the nation's southern capitals this year.
Thu 12:13 EDT Melbournians will be getting a real taste of summer today as the mercury soars into the high 30s and low 40s across the metropolitan region.