
Brockville – Environment Canada has issued a YELLOW WATCH – SEVERE THUNDERSTORM Watch for Brockville and Leeds-Grenville for this afternoon and early evening.
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain.
Wind gusts up to 110 km/h, quarter sized hail, rainfall amounts 30 to 50 mm over a few locales and a risk of a tornado.
Thunderstorms are expected to develop and track over the area this afternoon and possibly early this evening.
Driving conditions may be difficult. Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible.
When thunder roars, go indoors! Lightning kills and injures Canadians every year. Secure loose objects.
Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.
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: ontario.ca/page/be-prepared-emergency.



More Stories
Brockville Braves Hosting Pembroke Royals in First Pre-Season Game of 2026-27 Season Tonight
96th Annual North Augusta Labour Day Festival This Weekend in the Village
Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Tuesday, September 1, 2026