Frost
E
Issued by Environment Canada
⏳ In force until Sun 18 Oct, 13:57 📍 Chatham-Kent - Rondeau Park; Windsor - Leamington - Essex County; City of Toronto; Mississauga - Brampton; Burlington -… (approximate) 🕑 9 h ago
Patchy frost is expected tonight. Temperatures are expected to fall to near the freezing mark for areas inland from the Great Lakes. Light to moderate southwesterly winds overnight may prevent frost formation in some areas. ### Damage to plants, trees, and crops is possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ON…
🗃 Archived report - it is no longer on the live map. Pages are kept for 30 days.
📡 CAP alert details
Common Alerting Protocol
Official alert linked
▾
📡 CAP alert details
Common Alerting Protocol
⚠
SeverityModerate
⏱
UrgencyFuture
❓
CertaintyLikely
Eventfrost
Response typeMonitor
CategoryMet
Affected areaChatham-Kent - Rondeau Park; Windsor - Leamington - Essex County; City of Toronto; Mississauga - Brampton; Burlington - Oakville; St. Catharines - Grimsby - Northern Niagara Region; Niagara Falls - Welland - Southern Niagara Region
Issuing authorityEnvironment Canada
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-17T18:57:06-00:00
Effective2026-10-17T18:57:06-00:00
Onset2026-10-17T18:50:00-00:00
Expires2026-10-18T10:57:06-00:00
📋 Official instructions
Take preventative measures to protect cold-sensitive plants, trees, and crops.📄 Message details
Alert identifierurn:oid:2.49.0.1.124.0569785686.2026
Message typeUpdate
Sendercap-pac@canada.ca
ScopePublic
CAP statusActual
Related messagesurn:oid:2.49.0.1.124.0701131269.2026 urn:oid:2.49.0.1.124.3123788784.2026 urn:oid:2.49.0.1.124.1104924404.2026 urn:oid:2.49.0.1.124.0466343813.2026 urn:oid:2.49.0.1.124.0286665566.2026 urn:oid:2.49.0.1.124.3286475362.2026 urn:oid:2.49.0.1.124.1257603065.2026 urn:oid:2.49.0.1.124.1103816161.2026 urn:oid:2.49.0.1.124.3916928179.2026
ⓘ 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:
- Patchy frost is expected tonight.
- Temperatures are expected to fall to near the freezing mark for areas inland from the Great Lakes.
- Light to moderate southwesterly winds overnight may prevent frost formation in some areas.
- ### Damage to plants, trees, and crops is possible.
- Please continue to monitor alerts and forecasts issued by Environment Canada.
- To report severe weather, send an email to ON…
ⓘ News summary · read the original report for full context.
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