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🏛 Official alert Frost Weather & disasters Moderate

Frost

E Issued by Environment Canada ⏳ In force until Sun 18 Oct, 05:00 📍 Longueuil - Varennes area; Laval area; Montréal Island area; Châteauguay - La Prairie area; Soulanges area; Vaudreuil a… (approximate) 🕑 1 h ago
🌐 Translate: ·

Temperatures will drop near the freezing mark overnight tonight. ### 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 social media using #QCStorm.

📡 CAP alert details

Common Alerting Protocol
Official alert linked ▾
⚠
SeverityModerate
⏱
UrgencyFuture
❓
CertaintyLikely
Eventfrost
Response typeMonitor
CategoryMet
Affected areaLongueuil - Varennes area; Laval area; Montréal Island area; Châteauguay - La Prairie area; Soulanges area; Vaudreuil area; Saint-Rémi area; Valleyfield - Beauharnois area; Hemmingford area; Huntingdon area
Issuing authorityEnvironment Canada
ContactNot supplied

🕓 Alert timing · EAT

Sent2026-10-17T10:01:08-00:00
Effective2026-10-17T10:00:11-00:00
Onset2026-10-18T06:00:00-00:00
Expires2026-10-18T02:00:11-00:00

📋 Official instructions

Take preventative measures to protect cold-sensitive plants, trees, and crops.

📄 Message details

Alert identifierurn:oid:2.49.0.1.124.2594256240.2026
Message typeUpdate
Sendercap-pac@canada.ca
ScopePublic
CAP statusActual
Related messagesurn:oid:2.49.0.1.124.1735905309.2026 urn:oid:2.49.0.1.124.3860841372.2026
ⓘ CAP fields populate when an official alert is linked.

🛡 Safety advice

General guidance for this type of incident - not official instructions.
  • Take preventative measures to protect cold-sensitive plants, trees, and crops.
  • Stay aware of your surroundings in this area.
  • Follow official updates from the police and local authorities.
  • In an emergency call 112 (police) or 112 (ambulance), or request help through Jilinde.

📰 Story summary

From the report shown in the feed:
  • Temperatures will drop near the freezing mark overnight tonight.
  • ### 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 social media using #QCStorm.
ⓘ News summary · read the original report for full context.

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