Daily Forecast: July 20, 2023

Tomorrow will begin with a mix of sun and cloud as temperatures become hot and humid through the afternoon.

Thunderstorms are expected to develop during the afternoon and evening hours. We anticipate that some of these thunderstorms will be severe. A Severe Weather Outlook is currently being created and an update will be shared as soon as possible. The highest risk appears to be within Extreme Southwestern Ontario, including Windsor, Chatham and Sarnia at this time.

We encourage the public to have a plan in place if severe weather strikes. Know where to go and have multiple ways to receive weather alerts.

High temperatures will range from 23°C to 31°C across the region. Temperatures in pink represent forecasted humidex values.