Weather Conditions
The Ministry of Natural Resources and Environment, along with Climate Change Canada, advises that a major low-pressure system will continue to move across the watershed over the next 48-72 hours bringing further rainfall accumulations of 30-36mm and periods of warmer temperatures exceeding 10°C. These conditions, combined with the existing snowpack, are expected to cause significant snowmelt, resulting in increased runoff, with peak flows anticipated now through Wednesday.
Due to frozen ground conditions, runoff absorption will be limited, increasing the risk of localized flooding in low-lying areas and ponding on roadways. Elevated water levels from rainfall and runoff will also make local streams and rivers hazardous, particularly near culverts, bridges, and dams. The public is urged to exercise caution and avoid all watercourses, especially for the safety of children and pets.
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The Nottawasaga Valley Conservation Area (NVCA) will continue to closely monitor weather conditions, ice formation, and water levels within the watershed. The Watershed Conditions Statement for Flood Watch will remain in effect until the end of day, March 12, 2026, or until further notice.
Issues
Water levels are currently elevated as a result of heavy rainfall, warm temperatures, and snowmelt. 36mm of rain is forecasted in the following 48-72 hours. Water may overflow banks and cause flooding in some areas. Widespread flooding is not anticipated at this time, but low-lying and flood-vulnerable areas may be impacted.
Other notes:
The NVCA has 18 member municipalities:
Simcoe County:
Adjala-Tosorontio
City of Barrie
Bradford-West Gwillimbury
Clearview
Collingwood
Essa
Innisfil
New Tecumseth
Oro-Medonte
Springwater
Wasaga Beach
Dufferin County:
Amaranth
Melancthon
Mono
Mulmur
Shelburne
Grey County:
The Blue Mountains
Grey Highlands
The NVCA manages a watershed covering approximately 3,700 square kilometres.
In addition to the river systems, the NVCA manages 11 conservation areas and protects significant ecosystems including:
- The Minesing Wetlands (an internationally significant wetland through which the Nottawasaga River flows.)
Major river systems including the Nottawasaga, Boyne, Mad, Pine and Willow rivers, as well as Innisfil creek.
Source: NVCA
