<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Millions of people across southern and eastern Australia should expect a mixed bag of weather today, including 100km/h winds and temperatures nudging 40 degrees.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A strong low pressure system in the Southern Ocean is the driving force behind the mish-mash of heat and cold, Weatherzone reports.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"As polar air surges northwards, warm air from the interior of the continent is being dragged southwards in strong north-westerly winds, as air flows naturally from areas of high pressure to low pressure."</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/national/severe-tropical-cyclone-maila-tracking-towards-far-north-queensland/46a36351-f612-487f-b3d7-79a8a78f5234" rel="" target="_blank" title="Slow-moving Severe Tropical Cyclone Maila heading towards Queensland"><strong><span>Slow-moving Severe Tropical Cyclone Maila heading towards Queensland</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><h2><span>Feeling like winter in three states</span></h2></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The Bureau of Meteorology says the wintry change was first felt by residents in Tasmania overnight.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Maximum temperatures for the Apple Isle are about 17 degrees, but with the wind chill it will feel much colder – probably around 10 degrees for most of today.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/australia-weather-update-wild-winds-in-southern-states-heat-on-east-coast/7f1a3070-3324-4531-984c-b6bceb8d49f5" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>There will also be showers across the entire state, with the chance of hail and snow in western parts.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>When the polar air moves across the Tasman Sea in coming hours, Victoria and southern NSW can expect much of the same conditions.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A damaging wind warning has been issued for the state's eastern ranges, with gusts of 110km/h forecast for Alpine regions.</span></div></div><div class="tweet" data-tweet-id="2042049427863388641?ref_src=twsrc%5Etfw" data-user="9NewsAUS"></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><h2><span>Heat is on in the east</span></h2></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Meanwhile, mid-autumn will feel like high summer for parts of eastern NSW and South-East Queensland.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Brisbane is set for a sunny day with temperatures in the centre of the city reaching a top temperature of 30 degrees, while in the western suburbs the mercury will soar to 37 degrees.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>NSW residents should expect similar temperatures, with some parts pushing for record temperatures.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Central Sydney is forecast for a top of 33 degrees, with the city's west will be two degrees warmer.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Similar maximum temperatures are also set for the regional cities of Wollongong, Newcastle and Maitland. It will be even hotter through the north-west, with Bourke up to 39 degrees.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Forecasters say the hot conditions in NSW will be over by tomorrow as the cooler air moves north later today.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>With the polar conditions tightening their grip, there'll be snowfalls in the Victorian high country, the Snowy Mountains of NSW, and higher parts of Tasmania.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><em><span>NEVER MISS A STORY:</span></em></strong><span> </span><em><span>Get your breaking news and exclusive stories first by following us across all platforms.</span></em></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><ul><li><strong><em><span>Download the 9NEWS App here via</span></em></strong><span> </span><a href="https://apps.apple.com/au/app/9news/id1010533727" target="_blank"><strong><em><span>Apple</span></em></strong></a><span> </span><strong><em><span>and</span></em></strong><span> </span><a href="https://play.google.com/store/apps/details?id=nineNewsAlerts.nine.com&amp;hl=en_AU&amp;pli=1" target="_blank"><strong><em><span>Google Play</span></em></strong></a></li><li><strong><em><span>Make 9News your preferred source on Google by</span></em></strong><span> </span><a href="https://9.nine.com.au/8x987w" target="_blank"><strong><em><span>ticking this box here</span></em></strong></a></li><li><strong><em><span>Sign up to</span></em></strong><span> </span><a href="https://login.nine.com.au/edm?client_id=nineatnine" target="_blank"><strong><em><span>our breaking newsletter here</span></em></strong></a></li></ul></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span></span></div></div>