Environment Canada has now issued rainfall warnings for most of the Kawarthas region for Thursday evening (August 8) through Friday
A rainfall warning is in effect for Peterborough County, Kawartha Lakes, eastern Northumberland County. For western Northumberland County, a special weather statement for heavy rain is in effect.
A low-pressure system interacting with the remnants of tropical storm Debby is expected to create heavy rainfall over parts of southern Ontario Thursday evening through Friday, with the rain tapering off Friday night.
Peterborough County, Kawartha Lakes, eastern Northumberland County, and Hastings Highlands could see rainfall amounts of 50 to 75 mm, with locally higher amounts possible.
Western Northumberland County could see rainfall amounts exceeding 50 mm.
Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible.
The original version of this story has been updated with the latest forecast information from Environment Canada.