44°36'N / 80°35'V / Altitudine 181 m / 15:12 18.05.2026, America/Toronto (UTC-4)
de la: 18.05.2026, 15:00
la: 19.05.2026, 02:00
Conditions are favourable for the development of squalls with wind gusts up to 45 knots and hail. Thunderstorms are expected to move eastward across the area this afternoon into this evening. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Southern Georgian Bay
Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.
Environment Canada
18.05.2026, 11:24
de la: 18.05.2026, 15:00
la: 19.05.2026, 02:02
Yellow watch - severe thunderstorm - in effect Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and large hail. Hazards: Wind gusts up to 100 km/h Hail up to toonie size Timing: This afternoon and evening Additional information: Thunderstorms are expected to move eastward into the area from Lower Michigan. The main hazard will be damaging wind gusts. ### Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible. 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 [email protected] or post reports on X using #ONStorm. For more information: https://www.ontario.ca/page/be-prepared-emergency.
Owen Sound - Blue Mountains - Northern Grey CountyWhen thunder roars, go indoors! Lightning kills and injures Canadians every year.
Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.Environment Canada18.05.2026, 13:06