The Surface Water Monitoring Centre of the Ministry of Natural Resources and Forestry is forecasting significant amounts of rain through the Victoria Day weekend for Southern Ontario starting later this morning. Locally, upwards of 15mm of rain may fall between 9 and 11 am with possible thunderstorms for Friday. No rain is expected for Saturday. An additional 35, 15 and 10mm is forecasted for Sunday, Victoria Day and Tuesday.
Heavy downpour associated with thunderstorms may result in flooding of urbanized areas. Flooding along the Credit River is not expected on Friday. However, water levels may remain high as the additional rain move in starting on Sunday. Based on the current forecast, some low-lying areas along the Credit River may experience flooding starting early Sunday.
East to west winds and storm surge may result in onshore waves starting Saturday through to Tuesday. Flooding and erosion along the Lake Ontario shoreline may occur.
Local streams, rivers, and shorelines remain dangerous, especially in the vicinity of culverts, bridges and dams. People should be warned to stay away from all watercourses and shorelines, especially children and pets.
CVC will continue to closely monitor weather and water levels in the watershed. The Watershed Conditions Statement for Flood Outlook will be in effect through Wed-May-20-2020, or until further notice.
To view current watershed conditions, please visit the CVC's real-time monitoring website.