Environment Canada has issued a rainfall warning due to “significant rainfall midweek.”
The forecaster says rainfall amounts of 30 to 50 millimetres are possible. Locally higher amounts are possible in thunderstorms.
Rain begins Wednesday morning over extreme southwestern Ontario before reaching the Golden Horseshoe Wednesday afternoon. With thunderstorms expected, rainfall amounts may exceed 50 mm over some areas, particularly over southwestern Ontario.
Rain will end from west to east Wednesday night into early Thursday morning.
The Essex Region Conservation Authority has issued a flood watch for Wednesday, until noon on Thursday.
Rainfall warnings may be required for some areas as the event draws nearer. Localized flooding in low-lying areas is possible.
