Residents in Grimsby, Ontario, should prepare for a mix of freezing rain and thunderstorms throughout the day on Friday, March 20, 2026. This unsettled weather is expected to bring slippery morning roads followed by the potential for storms later in the afternoon.
According to Environment Canada, periods of rain will begin early in the morning and continue until late in the afternoon. There is a specific risk of freezing rain during the early morning hours, which could create slick conditions for the morning commute.
As the day progresses, the weather agency warns there is a 40 per cent chance of rain showers and a risk of a thunderstorm in the afternoon. The temperature is expected to reach a high of 10°C, with southwest winds blowing at 20 km/h and gusts reaching 40 km/h during the morning.
While the forecast warns of messy conditions, there were no official weather watches or warnings in effect for the area as of Friday morning. Residents are encouraged to stay updated and adjust their travel plans as conditions change throughout the day.