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    Severe Weather Alerts - St. Catharines, Ontario

    • Special Weather Statement

      Special Weather Statement in effect until 7:47 AM EST. Source: Environment Canada

    Widespread accumulating snow on tap tonight.

    An Alberta Clipper low pressure area will sail across Southern Ontario tonight into Tuesday. This weather disturbance will bring a general snowfall of 5 to 10 cm with it by Tuesday morning.

    Snow will continue tonight before tapering off to flurries overnight into Tuesday morning. Although localized amounts of 10 to 15 cm are possible, the snowfall warning criterion of 15 cm snow in 12 hours is not expected to be reached.

    Poor winter driving conditions are likely tonight into Tuesday morning. Untreated roads may become snow covered and slippery.

    Environment Canada will continue to monitor this situation and update statements accordingly.


    Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ec.cpio-tempetes-ospc-storms.ec@canada.ca or tweet reports using #ONStorm.