{"id":677132,"date":"2026-05-18T08:51:12","date_gmt":"2026-05-18T08:51:12","guid":{"rendered":"https:\/\/www.newsbeep.com\/ca\/677132\/"},"modified":"2026-05-18T08:51:12","modified_gmt":"2026-05-18T08:51:12","slug":"severe-storm-risk-could-upend-outdoor-plans-monday-in-ontario","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ca\/677132\/","title":{"rendered":"Severe storm risk could upend outdoor plans Monday in Ontario"},"content":{"rendered":"<p>The strongest thunderstorms could produce strong wind gusts, large hail, and heavy rainfall. <a href=\"https:\/\/www.theweathernetwork.com\/en\/news\/weather\/seasonal\/tornado-warning-safety-heres-what-you-should-do\" target=\"_self\" rel=\"nofollow noopener\">One or two tornadoes<\/a> can\u2019t be ruled out.<\/p>\n<p><img url=\"\/\/images.twnmm.com\/c55i45ef3o2a\/4QDLAi0ufZQLU4irpXadTv\/774b605876229db3c27182945eb351fd\/Ontario_rainfall_timing_Monday_evening.png\" alt=\"Ontario rainfall timing Monday evening\" loading=\"lazy\" decoding=\"async\" data-nimg=\"fill\" style=\"position:absolute;height:100%;width:100%;left:0;top:0;right:0;bottom:0;object-fit:contain;object-position:center center;color:transparent\"   src=\"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2026\/05\/Ontario_rainfall_timing_Monday_evening.png\"\/><\/p>\n<p>Another low-pressure system developing to the west will pump additional warm air into southern Ontario for our Tuesday, renewing the instability that could fuel a fresh round of thunderstorms.<\/p>\n<p>Some storm activity is expected across southern Ontario later Tuesday evening and into the overnight hours as the cold front approaches. A marginal threat for severe weather exists, but forecaster confidence is low at this time.<\/p>\n<p>Winter weather threat builds in northern Ontario<\/p>\n<p>It\u2019s a seasonal split-screen across the province as the same system responsible for the severe storm threat brings wintry precipitation to portions of northwestern Ontario.<\/p>\n<p><img url=\"\/\/images.twnmm.com\/c55i45ef3o2a\/4GkHrPF1qhQa76T8CchplL\/4ab1e12466a04ad02e7278838605f802\/Ontario_precipitation_forecast_Tuesday_morning.png\" alt=\"Ontario precipitation forecast Tuesday morning\" loading=\"lazy\" decoding=\"async\" data-nimg=\"fill\" style=\"position:absolute;height:100%;width:100%;left:0;top:0;right:0;bottom:0;object-fit:contain;object-position:center center;color:transparent\"   src=\"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2026\/05\/Ontario_precipitation_forecast_Tuesday_morning.png\"\/><\/p>\n<p>Forecasters will pay close attention to conditions near and north of Thunder Bay, where the risk will exist for ice pellets, freezing rain, and even some wet snow.<\/p>\n<p>Expect temperatures to fall sharply across southern Ontario by Wednesday as a cold front finally advances through the region.<\/p>\n<p>Stay with The Weather Network for all the latest on conditions across Ontario.<\/p>\n<p>WATCH: El Ni\u00f1o threat grows in the coming months<\/p>\n","protected":false},"excerpt":{"rendered":"The strongest thunderstorms could produce strong wind gusts, large hail, and heavy rainfall. One or two tornadoes can\u2019t&hellip;\n","protected":false},"author":2,"featured_media":677133,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[49,48,44,905,18234],"class_list":["post-677132","post","type-post","status-publish","format-standard","has-post-thumbnail","category-canada","tag-ca","tag-canada","tag-news","tag-ontario","tag-thunderstorm"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/677132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/comments?post=677132"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/677132\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media\/677133"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media?parent=677132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/categories?post=677132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/tags?post=677132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}