Severe Weather Alerts - Thornton, Ontario

  • Heat Warning

    Heat Warning in effect until 3:03 AM EDT. Source: Environment Canada


The mid summer heat episode will continue today with temperatures once again soaring at least into the low thirties this afternoon. Afternoon humidex values will be in the mid to upper thirties in a somewhat less humid airmass.

As a result of the less humid airmass in place today, temperatures tonight will likely drop to the upper teens in most areas, providing some relief from the heat. As a result, the heat warning may be ended tonight, with temperatures Sunday and next week remaining quite warm, but just below the heat warning threshold.

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Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to storm.ontario@ec.gc.ca or tweet reports to #ONStorm.