Heat wave gripping Ontario set to reach peak as temperatures even out in Manitoba

TORONTO - Ontario is expected to start feeling the worst of its latest heat wave today as forecasters predict temperatures to reach the mid- to high 30s, and humidex readings near the mid-40s.

Heat wave gripping Ontario set to reach peak as temperatures even out in Manitoba To continue reading, please subscribe: Digital Subscription One year of digital access for only $205* - Enjoy unlimited reading on winnipegfreepress.com - Read the E-Edition, our digital replica newspaper - Access News Break, our award-winning app - Play interactive puzzles *First annual payment billed as $205.00 + GST for one year. This annual subscription will automatically renew at $233.00 + GST every 52 weeks (10% off the regular annual price of $259.35). Offer available to new and qualified returning subscribers only.

Cancel any time. To continue reading, please subscribe: Add Free Press access to your Brandon Sun subscription for only an additional $1 for the first 4 weeks* * Your next Brandon Sun subscription payment will increase by $1.00 and you will be charged $17.95 plus GST for four weeks.

After four weeks, your payment will increase to $24.95 plus GST every four weeks. TORONTO – Ontario is expected to start feeling the worst of its latest heat wave today as forecasters predict temperatures to reach the mid- to high 30s, and humidex readings near the mid-40s. Much of northern Ontario spent Monday under a severe orange warning, spanning areas from Kenora and Thunder Bay to Fort Hope and Timmins.

Forecasters said those areas could see highs of 36 C, with the humidex making it feel as hot as 42 C, before letting up later this week. Less severe yellow warnings remain in effect for southern Ontario, including Windsor, Toronto, North Bay and east to Ottawa and Cornwall, with similar temperature and even higher humidex forecasts. Several municipalities, including Toronto and Hamilton, have opened cooling stations and pools for residents to keep out of the heat.

Meanwhile, similar temperatures being felt next door in southern Manitoba are expected to even out, with daytime highs set to drop to the low-30s or high-20s for the rest of the week. This report by The Canadian Press was first published July 14, 2026.