<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Adelaide is facing its biggest rainfall of the year so far after a drier start to 2026.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The Bureau of Meteorology has forecast up to 20mm of rain today for the city, followed by 15mm tomorrow, and smaller falls in the following days.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Some forecast models suggest up to 40mm could fall in total.</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><span> </span><a href="https://www.9news.com.au/world/us-politics-live-updates-donald-trump-visits-china-may-15-iran-israel-middle-east-war-blog-rolling-updates/521fb26c-adc2-4a13-b3de-93e92045da89" rel="" target="_blank" title=""><strong><span>In a few words, one nation 'opens' Strait of Hormuz</span></strong></a><strong><span></span></strong></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>It's a welcome change for the South Australia capital, which has been notably dry for months.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="https://www.weatherzone.com.au/news/potential-for-adelaides-biggest-soaking-of-the-year/1891354" rel="" target="_blank" title="Weatherzone"><span>Weatherzone</span></a><span> catalogued that the first four months of 2026 were wetter than usual across most parts of South Australia – except for Adelaide and its surrounding areas.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>That pattern also applies to the past four years, which saw above-average rain in the north of the state, and lower than average falls to the south and south-east.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/adelaide-could-receive-biggest-rainfall-of-2026/41d43270-87a2-4880-b310-f227e13e9a06" 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/federal-budget-2026-opposition-leader-angus-taylor-pledges-huge-boost-to-instant-asset-writeoff-for-small-businesses/21358f58-9c3f-4b91-9eaa-dda3a546f209" rel="" target="_blank" title=""><strong><span>Taylor waves in a potential tradie bonanza</span></strong></a><strong><span></span></strong></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"Adelaide started 2026 with a completely dry January, and that dry city gauge was no localised anomaly," Weatherzone reported.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"Even up on Mount Lofty in the Adelaide Hills – where the annual average rainfall of 973mm is 81 per cent more than the city's 537.6mm – just 1.8mm of rain fell in January."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The current wet spell, with rain driving down from the state's north, is forecast to last until Wednesday next week.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"It's also a slow-moving system, with the trough and front sliding southeast rather than pushing east due to the blocking high over the Tasman," Weatherzone meteorologist Jess Miskelly said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"This means the system will be in the vicinity longer, hence able to cause more rain."</span></div></div><div class="block-content"><div 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