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  • Writer's pictureAdvance Weather

UPDATE: Excessive Rainfall Through Thursday

Updated: Sep 21, 2021

A heavy rainfall event will begin across Southern Ontario tonight and last through Thursday evening in some areas. Showers and Non-Severe thunderstorms will start moving across the region this evening.

Our Rainfall Outlook is above. Amounts for individual areas may be higher for areas that receive multiple thunderstorms. This is a rather tricky forecast due to the nature of this system.

Areas along the Lake Huron shoreline, Bancroft and the Parry Sound region can expect 100+ mm of rain over the next three days, with locally higher amounts possible. Across the rest of the region, the rainfall amounts will be different right down to individual postal codes.

Our forecast will be updated as needed.


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