ONTARIO: Thunderstorm Forecast for Sunday, June 11, 2023

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FORECAST DISCUSSION

A system is expected to bring well-needed heavy rainfall to Southern Ontario starting Sunday afternoon and continuing into Monday. Within the cluster of rain, we could see some pockets of non-severe thunderstorms predominantly during the late afternoon and evening hours. We don’t expect they’ll be that strong but can still produce frequent lightning strikes and very heavy rainfall. A separate forecast focused on the rainfall over the next few days will be released on Sunday.