YELLOW WARNING – HEAT WARNING: A heat event continues today and ending tonight for regions over central and northeastern Ontario. Persisting into Wednesday or Thursday for areas over southern Ontario. Maximum temperatures of 30 to 37 degrees Celsius. Minimum temperatures of 20 to 25 degrees Celsius. Humidex values of 38 to 45.
Brockville — Today, a mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of thunderstorms. Wind southwest 30 km/h gusting to 50. High 35°C. Humidex 42. UV index 9 or very high.
Tonight, partly cloudy with 30 percent chance of showers and risk of thunderstorms. Wind west 20 km/h gusting to 40 becoming light this evening. Low 21°C.
Wednesday, mainly sunny. Wind becoming west 30 km/h gusting to 50 in the morning. High 31°C. Humidex 32. UV index 9 or very high.
Your 5-day local forecast:
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