45°26'N / 73°17'V / Höjd 13 m / 16:27 2026-06-12, America/Montreal (UTC-4)
från: 2026-06-12, 12:02
till: 2026-06-13, 02:00
This afternoon and evening, conditions are favourable for the development of squalls with wind gusts of up to 50 knots, numerous lightning strikes and poor to very poor visibilities due to rain showers at times heavy. ### Proceed with caution as visibility may suddenly be reduced to near-zero. Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
rivière Richelieu et lac Champlain Nord
Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.
Environment Canada
2026-06-12, 12:03
från: 2026-06-12, 15:34
till: 2026-06-13, 02:01
Yellow watch - severe thunderstorm - ended ###
secteur de Saint-Jean - MarievilleEnvironment Canada2026-06-12, 15:37från: 2026-06-12, 16:22
till: 2026-06-12, 19:21
Yellow warning - severe thunderstorm - in effect At 4:22 p.m. EDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts, up to quarter size hail and heavy rain. ### Driving conditions will likely be difficult. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.
secteur de Saint-Jean - MarievilleTake immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail.Environment Canada2026-06-12, 16:22