Weather alerts – Wednesday, July 15, 2026

Active weather alerts for the Greater Montreal area

SQUALL: Cornwall to Montréal squall watch in effect Issued: 11:50 PM EDT, Tuesday, July 14, 2026 Expires: 3:59 AM EDT, Wednesday, July 15, 2026 Urgency: Expected Severity: Severe Conditions are favourable for the development of squalls accompanied by gusts up to 95 km/h, frequent lightning, hail and poor to very poor visibilities due to showers, at times heavy. Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Consider delaying or postponing travel in areas under the Squall Watch. SQUALL: Richelieu River and Northern Lake Champlain squall watch in effect Issued: 11:50 PM EDT, Tuesday, July 14, 2026 Expires: 3:59 AM EDT, Wednesday, July 15, 2026 Urgency: Expected Severity: Severe Conditions are favourable for the development of squalls accompanied by gusts up to 95 km/h, frequent lightning, hail and poor to very poor visibilities due to showers, at times heavy.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations. Consider delaying or postponing travel in areas under the Squall Watch.

THUNDERSTORM: Soulanges area yellow watch – severe thunderstorm – in effect Issued: 11:48 PM EDT, Tuesday, July 14, 2026 Expires: 3:59 AM EDT, Wednesday, July 15, 2026 Urgency: Expected Severity: Moderate Nautical activities may be hazardous due to sudden, severe wind gusts over bodies of water. 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 QCstorm@ec.gc.ca or post reports on X using #QCStorm. When thunder roars, go indoors!

Lightning kills and injures Canadians every year.