A rainfall warning is in effect for Kingston, Odessa, Frontenac Islands, Napanee, Consecon, Picton, and Sandbanks Park.
Environment Canada says that significant rainfall is expected through Friday morning.
“Showers and isolated thunderstorms are expected to continue through Thursday before moving out Friday morning,” says the national weather service in an advisory.
“Rainfall amounts of 60 to 90 mm are expected by early Friday morning with a few localities possibly exceeding 100 mm.”
Environment Canada says this widespread rainfall event is due to a cold front and a moisture laden low pressure system that will arrive from the American Mid-west.
“Heavy downpours can cause flash floods and water pooling on roads,” Environment Canada warns. “If visibility is reduced while driving, turn on your lights and maintain a safe following distance. Localized flooding in low-lying areas is possible.”