Following some record-breaking levels of rain Thursday, another downpour hit the region Sunday night.
Environment Canada had issued a rainfall warning for London-Middlesex, Windsor-Essex and Chatham-Kent, but it ended at around 3am Monday.
The weather agency was calling for up to 50 mm (2 in) of precipitation. They say that flash floods and water pooling are possible with the heavy downpour.
A severe thunderstorm warning was also issued for Windsor-Essex around 9pm on Sunday, but it has since ended.
