Humid long weekend fuels storm potential in Ontario

Saturday, August 30, 2014, 9:24 AM - Temperatures in Ontario were on the cool side for the latter half of the past week.

But people who prefer their summer more sweltering will be happier this weekend, with temperatures feeling like the low thirties in many communities.

At the same time, it won't be all sun. Heavy rain began moving into the Nickel Belt and environs, sparking rainfall warnings and a special weather statement predicting 30-50 mm in some areas from that system by Sunday.

In more southern areas, don't expect as much rain, except locally in downpours from thunderstorms.

Such storms will be fueled by deep humidity, and some were already sparking along the Lake Huron shores by Saturday morning.

For the rest of the south, however, will feel the storms more into the late afternoon in the southwest, and into the overnight in the Greater Toronto Area.

While most areas are looking at only non-severe storms, isolated severe thunderstorms are possible here and there from the London to Barrie areas, and few likely in the GTA.

A cold front is expected to pass through the region on Sunday, again sparking storms, this time over a more widespread area stretching into eastern Ontario also.

On Sunday, it's the Ottawa region that may see some severe storms, likely in the afternoon.

But though the cold front will be a trigger, it won't make it feel much cooler, thanks to humidity making it seem like at least 30, with real temperatures hovering in the mid 20s.

In fact, expect the humidity to stay in place until past Labour Day.

TUNE IN: Watch the Weather Network on TV for updates on these storms. If it's safe to do so, upload your pictures and videos here.