SUDBURY -- Environment Canada has issued a special weather statement for areas near Sault Ste. Marie and around Lake Superior.

Areas covered by the statement are the Sault, Agawa, Lake Superior Park, Searchmont, Montreal River Harbour, Batchawana Bay, Wawa, Pukaskwa Park, White River and Dubreuilville.

"An area of heavy showers and thunderstorms crossing Lake Superior and beginning tonight," Environment Canada said in a news release. "Showers and thunderstorms moving across the region may give local amounts of 20 to 40 millimeters tonight into early Wednesday morning."

There is some uncertainty in the rainfall amounts predicted, the release said. A few locations may receive higher amounts and rainfall warnings may be needed. Some local flooding and road washouts are possible, as well as poor visibility while driving.

To report severe weather, send an email to or tweet reports using #ONStorm.