The Saugeen Valley Conservation Authority (SCVA) advises that a strong storm system will be moving across Southern Ontario over the weekend, bringing multiple waves of rain and thunderstorms.
Depending on storm system tracking, the watershed could receive between 40 to 50 millimetres of rain between Friday and Sunday, with the heaviest rain forecast to fall on Saturday. Heavier downpours caused by thunderstorms are possible in localized areas.
As a result of recent drought conditions, dry soils may not effectively absorb heavy rainfall, which could contribute to additional runoff into our streams. Higher than normal water levels and flows can be expected in our streams, especially in the vicinity of culverts and bridges. While significant flooding is not expected, rivers could reach or exceed bank-full conditions, with minor flooding in traditional low-lying areas. More extensive flooding is possible should the region receive rainfall amounts greater than what are currently forecast.
Residents are reminded to stay away from all watercourses and structures such as bridges, culverts, and dams. Elevated water levels, fast flowing water, and slippery conditions along stream banks make these locations extremely dangerous. Municipal and County staff should monitor problem areas and prepare to close low-lying roads.
This Flood Outlook Statement will be in effect through Tuesday June 29, 2021, or until further notice. The Saugeen Valley Conservation Authority will continue to monitor stream conditions and will provide updates as required.