yellow watch - severe thunderstorm - in effect
发布日期：2026-07-03T23:25+00:00
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain.What:Wind gusts up to 100 km/h.Up to ping pong ball sized hail.Heavy rain with amounts possibly exceeding 30 mm.When:This evening.###Local utility outages are possible.Heavy rain can cause flash flooding and significant reductions to visibility. Large hail can cause significant damage and injury. Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain.Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.For more information: https://www.ontario.ca/page/be-prepared-emergency.
orange warning - heat - in effect
发布日期：2026-07-03T20:50+00:00
A long duration heat event continues. For some areas, this is the first heat event of the season.What:Maximum temperatures of 32 to 35 degrees Celsius.Minimum temperatures of 20 to 22 degrees Celsius.When:Continuing through Saturday.Additional Information:Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high-risk category.###Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion.For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.htmlPlease continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
