Ottawa·NewEnvironment Canada has issued a rainfall warning for a swath of the region, which includes Maniwaki and Témiscaming. Between 40 and 60 millimeters of rain is expected overnight to Thursday evening.Environment Canada forecasting 40 to 60 mm in Maniwaki and surrounding areaCBC News · Posted: Jun 18, 2025 10:16 AM EDT | Last Updated: 19 minutes agoSignificant rainfall is expected overnight Wednesday and into Thursday night across a large swath of western Quebec. (Justin Tang/The Canadian Press)Heavy downpours are expected across a large area of western Quebec starting Wednesday night.Environment Canada has issued a rainfall warning for a swath of the region stretching from Maniwaki and Témiscaming. Between 40 and 60 millimetres of rain is expected overnight and into Thursday evening.”Heavy downpours can cause flash floods and water pooling on roads,” the warning reads.Environment Canada issues rainfall warnings when significant rainfall is expected.