<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Heatwave warnings are in place across Australia, with temperatures set to spike up to 15 degrees above their March average, before a cool change tomorrow night.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"We are seeing a burst of autumn heat across southeast Australia, this is being driven by very hot winds coming down from the centre of the country,"  BoM Meteorologist Jonathan How said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Hot conditions have been building all week, and are mostly expected to peak today, except for Sydney which will likely be hottest tomorrow.</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/influencer-who-grabbed-baby-wombat-apologises-for-scandal/eab92418-c5bd-4fe7-b950-7809044ff215"><strong><span>Influencer who grabbed baby wombat apologises for scandal</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Temperatures are expected to be 6-15 degrees above their March average.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>That means lots of the country will be in the mid-high 30s, temperatures but could reach the low 40s for inland parts of NSW and South Australia.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Adelaide has a top of 39 on the way, Melbourne could hit 34, Canberra 35 degrees, and Hobart a warm 26 degrees.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/severe-heatwave-to-hit-multiple-states-this-weekend/9b12f4a5-e7f0-495b-b472-f27fb8713102" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/world/mark-carney-is-sworn-in-as-canadas-new-prime-minister-as-country-deals-with-trumps-trade-war/2781e2a3-0e2c-4b53-be95-42f4b44838ac"><strong><span>New Canada PM's slap-in-the-face vow to Trump</span></strong></a><strong><span></span></strong></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Sydney is expected to hit 37 degrees when the heat peaks tomorrow, with an uncomfortable night on the way tonight for many.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Record-breaking March minimum temperatures are predicted for Victoria and NSW.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>There is also elevated fire risk due to the dry, windy conditions.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The Bureau of Meteorology said it expected to issue an extreme fire danger warnings for NSW tomorrow.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A cool change is predicted to sweep across the country tomorrow evening.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="https://www.9news.com.au/national/how-to-follow-9news-digital/29855bb1-ad3d-4c38-bc25-3cb52af1216f" target="_blank"><strong><em><span>DOWNLOAD THE 9NEWS APP</span></em></strong></a><strong><em><span>: Stay across all the latest in breaking news, sport, politics and the weather via our news app and get notifications sent straight to your smartphone. Available on the</span></em></strong><span> </span><a href="https://apps.apple.com/au/app/9news/id1010533727" target="_blank"><strong><em><span>Apple App Store</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><strong><em><span>.</span></em></strong></div></div>