At 8:45 p.m. EDT, a line of severe thunderstorms is located from Grimsby to James N. Allan Provincial Park. These severe thunderstorms are moving quickly to the east at 65 km/h. Strong wind gusts, up to quarter size hail and heavy rain are possible.
Locations and nearby areas that could be impacted include: Beamsville, Dunnville, Vineland, St. Catharines, Thorold, Welland, Port Colborne, Niagara Falls, Fort Erie
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Heavy rain may cause flash flooding and significant reductions to visibility. Large hail may cause significant damage and injury.
Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.