<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="https://www.9news.com.au/sydney" rel="" target="_blank" title="Sydneysiders"><span>Sydneysiders</span></a><span> are among those in </span><a href="https://www.9news.com.au/new-south-wales" rel="" target="_blank" title="New South Wales"><span>New South Wales</span></a><span> being told to take appropriate steps to prepare for a </span><a href="https://www.9news.com.au/heatwave" rel="" target="_blank" title="heatwave"><span>heatwave</span></a><span> that will last into the weekend.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Temperatures are set to hit 33 degrees in Sydney today, and will soar in the coming days as a hot airmass moves across the state.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The mercury is expected to reach 42 degrees on Saturday in the state capital, with similar temperatures expected in many areas of New South Wales.</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>LIVE UPDATES: </span></strong><a href="https://www.9news.com.au/national/extreme-weather-live-updates-heatwave-fires-heavy-rain-cyclone-warnings/83b0dcd3-39df-4a51-a3ca-db54ef910df3" rel="" target="_blank" title=""><strong><span>'Tomorrow is going to be a catastrophic day'</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Whilst the heat is expected to ease off on Sunday, NSW Ambulance's Steve Vaughan warned having such a long stretch of heat will take its toll.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"The important take-home message is that it isn't individual hot days, but concurrent, higher than average temperatures - both daytime and nighttime - that have a compounding effect on individuals' health," he said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"[We are] likely to experience those conditions until at least Saturday."</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/australia-heatwave-warning-health-officials-urge-sydney-nsw-residents-to-prepare-for-hot-weekend-weather/b1ff5f9c-b173-4eeb-a465-18b6f7d78fc8" 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><span> </span><a href="https://www.9news.com.au/national/towns-evacuated-as-two-victorian-fires-continue-to-burn-through-bushland/22e0192a-8f6c-4048-9ce7-254e3fff9d4a" rel="" target="_blank" title=""><strong><span>Towns evacuated as Victorians warned of 'catastrophic' bushfire conditions</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Vaughan said it was important for residents of New South Wales to look after each other, especially people who may be more vulnerable to heat.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>This includes the elderly, people who are homeless or socially isolated, he said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"If you know someone in that cohort [of] vulnerable people, please reach out to them, make sure they're aware of the conditions and assist them to get through the next few days," he added."</span></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/australia-heatwave-wa-reaches-record-breaking-temperatures-hot-weather-update/8587f140-07e4-4634-96ca-9622b6e60ef3" rel="" target="_blank" title=""><strong><span>WA reaches nearly 50 degrees as record-breaking heatwave continues</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>He offered several pieces of advice on how people can ensure they stay cool in the coming days.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"You can wear loose, light-fitting clothing, close windows, blinds, doors to block out the hot air, and use cooling devices wherever possible," Vaughan said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"If you don't have access to cooling devices at home, go to community facilities within your area, such as shopping centres, that may have cooler areas for you to seek some respite."</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"><em><strong><span>DOWNLOAD THE 9NEWS APP</span></strong></em></a><em><strong><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. 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