Wednesday will bring thunderstorms to the region, with a mix of sun and cloud otherwise. Thunderstorms will be strong to severe at times.
Tomorrow will be another Advance Weather Alert Day due to extreme heat and severe weather. High temperatures in the upper 20s to low 30s are expected in Southwestern Ontario with Humidex values in the mid 30s to low 40s. Ensure you remain hydrated and reschedule outdoor work if possible.
Severe thunderstorms are likely to develop over any area during the afternoon and evening hours, however a thunderstorm may occur at any time for any area and become severe. Further information will be posted regarding the threat for severe weather, however torrential downpours, damaging winds, large hail and tornadoes are possible.
Temperatures in yellow represent forecasted Humidex values.