Thunderstorms with heavy downpours possible tonight.
Showers at times heavy with embedded thunderstorms will affect portions of Southwestern Ontario tonight as a strong disturbance approaches from the us Midwest.
Current indications suggest that some areas may see rainfall amounts of 20 to 40 mm by Monday morning with local amounts of near 50 mm quite possible for locales that receive two or three thunderstorms in a row.
Environment Canada continues to closely monitor this situation. Warnings may be issued if necessary.
Please monitor the latest forecasts and warnings from Environment Canada at www.weather.gc.ca.