Updated by Environment Canada at 2:46 PM EDT Tuesday 30 June 2026
Impact Level: Moderate
Forecast Confidence: High
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 110 km/h.
Golf ball sized hail.
Rainfall amounts in excess of 50 mm.
Risk of tornadoes.
When: Continuing into this evening.
Additional information:
Thunderstorms may redevelop this afternoon or early this evening.
Local utility outages are possible. Fast-moving and rapidly rising water can sweep vehicles away and damage infrastructure.
When thunder roars, go indoors! Lightning kills and injures Canadians every year.
Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.
Heavy rain can cause flash flooding and significant reductions to visibility. Strong wind gusts can damage trees, buildings and overturn vehicles. 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.
In effect for: Barry’s Bay – Killaloe
