{"id":1725,"date":"2026-04-30T01:12:19","date_gmt":"2026-04-30T01:12:19","guid":{"rendered":"https:\/\/www.europesays.com\/australia\/1725\/"},"modified":"2026-04-30T01:12:19","modified_gmt":"2026-04-30T01:12:19","slug":"perth-wakes-shrouded-in-thick-fog-as-main-roads-issue-traffic-warning","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/australia\/1725\/","title":{"rendered":"Perth wakes shrouded in thick fog as Main Roads issue traffic warning"},"content":{"rendered":"<p class=\"paragraph_paragraph___QITb\">Perth has been blanketed with thick fog, prompting warnings for motorists to use caution in the conditions.<\/p>\n<p class=\"paragraph_paragraph___QITb\">The fog could be seen as early as 4am local time on Thursday and persisted into peak hour, with visibility extremely limited along some roads.<\/p>\n<p><img decoding=\"async\" alt=\"Low cloud over the Swan River early on Thursday morning.\" class=\"Image_image__5tFYM ContentImage_image__DQ_cq\"  src=\"https:\/\/www.europesays.com\/australia\/wp-content\/uploads\/2026\/04\/04de1b5bd521c39e5354ba351c37f11d.jpeg\" loading=\"lazy\" data-component=\"Image\" data-lazy=\"true\"\/><\/p>\n<p class=\"Typography_base__sj2RP FigureCaption_text__zDxQ5 Typography_sizeMobile12__w_FPC Typography_lineHeightMobile20___U7Vr Typography_regular__WeIG6 Typography_colourInherit__dfnUx\" data-component=\"Typography\">Low cloud over the Swan River early on Thursday morning. (Supplied: Anna Fantasia)<\/p>\n<p class=\"paragraph_paragraph___QITb\">Humidity reached 99 per cent at 1am Thursday, and was still at 93 per cent by 8am, triggering the foggy conditions.<\/p>\n<p><img decoding=\"async\" alt=\"The Swan River blanketed in fog\" class=\"Image_image__5tFYM ContentImage_image__DQ_cq\"  src=\"https:\/\/www.europesays.com\/australia\/wp-content\/uploads\/2026\/04\/6f68092ee976fde302b65a32ae4ef825.jpeg\" loading=\"lazy\" data-component=\"Image\" data-lazy=\"true\"\/><\/p>\n<p class=\"Typography_base__sj2RP FigureCaption_text__zDxQ5 Typography_sizeMobile12__w_FPC Typography_lineHeightMobile20___U7Vr Typography_regular__WeIG6 Typography_colourInherit__dfnUx\" data-component=\"Typography\">The Swan River was blanketed in fog on Thursday morning. (Supplied: Vicki Garrett)<\/p>\n<p class=\"paragraph_paragraph___QITb\">The Bureau of Meteorology said fog may be present in parts of WA&#8217;s South West Land Division, with the high humidity stretching from the northern Wheatbelt across to the edge of the Goldfields.<\/p>\n<p class=\"paragraph_paragraph___QITb\">Main Roads has urged commuters to use caution on parts of the Tonkin Highway, the Narrows Bridge, and the Mitchell and Graham Farmer Freeways.<\/p>\n<p><img decoding=\"async\" alt=\"Fog clouds a river \" class=\"Image_image__5tFYM ContentImage_image__DQ_cq\"  src=\"https:\/\/www.europesays.com\/australia\/wp-content\/uploads\/2026\/04\/a081511bac739a5f2167a76daca4e465.jpeg\" loading=\"lazy\" data-component=\"Image\" data-lazy=\"true\"\/><\/p>\n<p class=\"Typography_base__sj2RP FigureCaption_text__zDxQ5 Typography_sizeMobile12__w_FPC Typography_lineHeightMobile20___U7Vr Typography_regular__WeIG6 Typography_colourInherit__dfnUx\" data-component=\"Typography\">South Perth&#8217;s skyline is usually visible from Elizabeth Quay. (Supplied: Vicki Garrett)<\/p>\n<p class=\"paragraph_paragraph___QITb\">People texting in to 102.5 ABC Perth reported fog across the city including City Beach, Mt Helena, Malaga and Banksia Grove.<\/p>\n<p><img decoding=\"async\" alt=\"Fog shrounds suburban Perth. \" class=\"Image_image__5tFYM ContentImage_image__DQ_cq\"  src=\"https:\/\/www.europesays.com\/australia\/wp-content\/uploads\/2026\/04\/0256663083fdc36d7c6f953420d822ca.jpeg\" loading=\"lazy\" data-component=\"Image\" data-lazy=\"true\"\/><\/p>\n<p class=\"Typography_base__sj2RP FigureCaption_text__zDxQ5 Typography_sizeMobile12__w_FPC Typography_lineHeightMobile20___U7Vr Typography_regular__WeIG6 Typography_colourInherit__dfnUx\" data-component=\"Typography\">The fog was widespread.\u00a0 (ABC News: Gian De Poloni)<\/p>\n<p>What causes fog?<\/p>\n<p class=\"paragraph_paragraph___QITb\">Fog forms when air cools overnight to the point it can no longer hold all its moisture.<\/p>\n<p class=\"paragraph_paragraph___QITb\">As temperatures drop, humidity reaches 100 per cent and excess moisture condenses into tiny droplets.<\/p>\n<p><img decoding=\"async\" alt=\"Fog shrounds suburban Perth. \" class=\"Image_image__5tFYM ContentImage_image__DQ_cq\"  src=\"https:\/\/www.europesays.com\/australia\/wp-content\/uploads\/2026\/04\/9033c31a6f984abd059611e362727827.jpeg\" loading=\"lazy\" data-component=\"Image\" data-lazy=\"true\"\/><\/p>\n<p class=\"Typography_base__sj2RP FigureCaption_text__zDxQ5 Typography_sizeMobile12__w_FPC Typography_lineHeightMobile20___U7Vr Typography_regular__WeIG6 Typography_colourInherit__dfnUx\" data-component=\"Typography\">Fog seen at Meltham train station. (ABC News: Gian De Poloni)<\/p>\n<p class=\"paragraph_paragraph___QITb\">These droplets remain suspended in the air, creating mist and fog, most commonly during the night as the surface loses heat.<\/p>\n<p class=\"paragraph_paragraph___QITb\">The Bureau of Meteorology said fog was most common in valleys and formed when skies were clear and there was no wind.<\/p>\n<p><img decoding=\"async\" alt=\"Fog shrounds suburban Perth. \" class=\"Image_image__5tFYM ContentImage_image__DQ_cq\"  src=\"https:\/\/www.europesays.com\/australia\/wp-content\/uploads\/2026\/04\/c547f85a01e14d10e840a338ac93eca1.jpeg\" loading=\"lazy\" data-component=\"Image\" data-lazy=\"true\"\/><\/p>\n<p class=\"Typography_base__sj2RP FigureCaption_text__zDxQ5 Typography_sizeMobile12__w_FPC Typography_lineHeightMobile20___U7Vr Typography_regular__WeIG6 Typography_colourInherit__dfnUx\" data-component=\"Typography\">The fog set across suburban streets, pictured here in Dianella. (Supplied)<\/p>\n","protected":false},"excerpt":{"rendered":"Perth has been blanketed with thick fog, prompting warnings for motorists to use caution in the conditions. The&hellip;\n","protected":false},"author":2,"featured_media":1726,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[2821,2822,2826,335,2828,2829,463,2827,2825,464,2824,2823],"class_list":["post-1725","post","type-post","status-publish","format-standard","has-post-thumbnail","category-perth","tag-fog","tag-fog-in-perth","tag-fog-perth-weather","tag-perth","tag-perth-fog","tag-perth-fog-pics","tag-perth-news","tag-perth-weather","tag-wa-fog-forecast","tag-wa-news","tag-wa-weather-forecast","tag-what-causes-fog"],"_links":{"self":[{"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/posts\/1725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/comments?post=1725"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/posts\/1725\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/media\/1726"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/media?parent=1725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/categories?post=1725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/australia\/wp-json\/wp\/v2\/tags?post=1725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}