Storm risk, heavy rain to build into southern Ontario with warmth
Bouts of heavy rainfall will accompany temperatures in the 20s in the days ahead
Be sure to grab your umbrella before heading out over the next couple of days as a warmer pattern pushing into southern Ontario will bump up the chance for heavy rainfall.
Some areas could see as much as 100 mm of precipitation through the week ahead.
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Temperatures and rain odds rise into next week
An active and unsettled pattern is in the forecast over the next couple of days. Several systems are expected to sweep across southern Ontario, including surges of remarkably warm temperatures for the middle of April.
The first wave of heavy rainfall will accompany a warm front lifting across the region on Sunday afternoon.
We’ll see the heaviest pockets of rain target cottage country and communities surrounding Georgian Bay, where amounts could locally push 30-40+ mm. Additionally, a chance for thunderstorms will build Sunday night into Monday around and north of cottage country.
Folks around the Greater Toronto Area (GTA) can expect generally less than 10 mm of rainfall, with higher amounts up to 20 mm across northern sections of the region.
Showers will continue across much of eastern Ontario into Monday morning.
Temperatures will peak on Tuesday as another low-pressure system moves north of the region. This setup will feature a widespread potential for temperatures in the lower 20s from Toronto-Pearson Airport to Windsor, as well as the Niagara Peninsula.
Another opportunity for thunderstorms will build on Tuesday afternoon and evening ahead of a cold front approaching the region. The greatest threat for thunder will fall along the 401 corridor. Be sure to check back for more on this potential as it draws closer.
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Stay tuned to The Weather Network for the latest forecast updates across southern Ontario.