Residents in Grimsby, Ontario, should prepare for a wet and windy week as a slow-moving cold front moves through the region. According to Environment Canada, showers and a risk of thunderstorms are expected to continue through Tuesday night, with gusty winds and rain likely to impact the area through midweek.
The forecast calls for wind gusts to increase significantly after midnight tonight, reaching up to 70 km/h. Residents can expect continued showers throughout the day on Tuesday, with up to 5 mm of rainfall forecasted. As the system continues into Tuesday night and Wednesday morning, an additional 10 to 15 mm of rain is expected to fall, accompanied by a shift in wind direction and cooler temperatures dropping to 6°C.
While the weather will remain unsettled through the middle of the week, there are currently no active weather alerts in effect for the St. Catharines, Grimsby, and Northern Niagara region. The Weather Network notes that this wet stretch is part of a broader weather pattern moving across southern Ontario and Quebec.
Following the stormy weather, residents should be aware that the province is set to conduct a test of the Alert Ready emergency system on May 7, 2026. This test is held as part of Emergency Preparedness Week to ensure the system remains an effective way to deliver critical alerts to the public.
