The heat is building in Ontario, Sunday, and the sticky weather will stick around for a few days. Details with meteorologist Nicole Karkic. #ontario #heat #theweathernetwork READ MORE: Heat, humidity set to intensify in southern Ontario as ridge settles in www.theweathernetwork.com/en/news/weather/forecasts/heat-humidity-set-to-intensify-in-southern-ontario-as-ridge-settles-in Never miss a weather alert with The Weather Network app 📱 link.theweathernetwork.com/TWNYouTube or check your forecast on our website 💻 www.theweathernetwork.com Captured a weather video or photo that you want to share? Join The Weather Network community by signing up and submitting your videos or photos. ___ SUBSCRIBE to our channel: www.youtube.com/weathernetwork?sub_confirmation=1 FOLLOW us here: Facebook: www.facebook.com/theweathernetworkCAN X: twitter.com/weathernetwork Instagram: www.instagram.com/weathernetwork/ TikTok: www.tiktok.com/@weathernetwork The Weather Network is committed to delivering weather updates and information to audiences in Canada and around the world 24 hours a day, 365 days a year. For over 25 years The Weather Network has been an English-language weather news and information specialty channel that is owned by Pelmorex Media.