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Weather Notices & Alerts

  • Solar Eclipse Safety Information - April 8 2024
    On Monday, April 8, 2024, from 2:00-4:30 p.m., Dufferin County will experience a partial eclipse (approximately 99%). Here are some tips to stay safe and protect you and your family’s vision during the Eclipse.
  • Credit Valley Conservation Water Safety Statement - March 8, 2024

    Environment Canada and the Ministry of Natural Resources and Forestry’s (MNRF) Surface Water Monitoring Centre (SWMC) is forecasting significant rainfall for Friday through Saturday with amounts ranging from 20 to 40mm or higher.

  • Grand River Watershed Conditions Statement - Water Safety March 8, 2024

    A strong low-pressure system is forecast to move through the Grand River watershed starting late Friday, March 8, 2024 through to Sunday, March 10, bringing widespread rain and potentially mixed precipitation or snow as the system tapers off on Sunday. The bulk of the rain, up to 25 mm is forecast for Saturday, March 9.

  • Significant Weather Event ENDED - January 15 2024

    Significant Weather Event - ENDED
    January 15, 2024 at 9:00 a.m.

  • Grand River Water Safety Statement January 8 2024

    The current weather system crossing the watershed is bringing above freezing temperatures and approximately 30-40 mm of mixed snow and rain on Tuesday, January 9, resulting in increased river flows throughout the Grand River watershed.

  • Grand River Water Safety Statement July 13 2023
    The Grand River Conservation Authority is issuing the following Watershed Condition Statement – Water Safety.
    A slow-moving weather system crossed the Grand River watershed overnight Wednesday, resulting in 50-70mm of rainfall in northern and central portions of the watershed. 
  • Credit Valley Conservation - Flood Outlook Statement June 24 2023
    Credit Valley Conservation (CVC) advises that Environment Canada is predicting showers and localized significant rainfall in the amounts of 50-75mm.
    Heavy rainfall may cause pooling on roadways, flash floods and flooding in low-lying areas. Higher water levels will result in local streams and rivers becoming dangerous, especially in the vicinity of culverts, bridges, and dams. 
  • GRCA Flood Message #4 – Updated Combined Flood Warning/Flood Watch

    The strong low-pressure system that moved into the region early Friday, March 31, resulted in 30-60 mm of rain throughout the Grand River watershed. Thunderstorms overnight resulted in periods of intense rainfall. Watershed received an additional 10 to 20 mm of rain through the day on Saturday.

  • GRCA Flood Message #4 – Updated Combined Flood Warning/Flood Watch

    The Grand River Conservation Authority (GRCA) is issuing the following updated combined Flood Warning/Flood Watch message.

    The strong low-pressure system that moved into the region early Friday, March 31, resulted in 30-60 mm of rain throughout the Grand River watershed. 


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