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Ontario Braces for Snow Amidst Spring Rain Deluge
29 Apr
Summary
- Spring rain systems will bring heavy rainfall and potential flooding this week.
- Snow is possible in some parts of Ontario as cooler air follows the rain.
- Temperatures are expected to drop below normal, with freezing overnight lows.
Ontario is set for a week of dynamic weather, blending significant rainfall with a surprising risk of snow. Early in the week, rain systems are expected to sweep across northern and southern parts of the province. These systems will bring substantial precipitation, with eastern Ontario anticipating 30-50+ mm of rain by Thursday morning, increasing the threat of localized flooding given current high water levels. The arrival of a second low-pressure system by Wednesday will intensify the rain across Lake Erie, the GTHA, and Niagara, becoming heavier in eastern Ontario by Wednesday evening. As this system departs, a notable shift to colder air is anticipated, ushering in below-normal temperatures starting Friday and extending into the weekend. This cooler pattern will be centered around the Great Lakes region in North America. Daytime highs from Thursday into Friday are expected to struggle to reach double digits, with overnight lows potentially dropping near or below the freezing mark. Parts of southern Ontario could see overnight lows dip below 0°C on Saturday and Sunday nights, with near-freezing conditions affecting the GTA.
