NORTHERN ONTARIO: Thunderstorm Forecast for Sunday, May 7, 2023

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Rain, heavy at times is expected to affect southern portions of Northeastern Ontario to the north of Georgian Bay starting pre-dawn on Sunday. This cluster of heavy rain may have a few embedded non-severe thunderstorms around Sault Ste. Marie, Elliot Lake, Manitoulin Island, Sudbury and North Bay. The highest probability for thunderstorms will be during the late morning to early afternoon hours with the risk diminishing later in the day.