Moderate Cold Wave ● Monitoring
yellow advisory - frost - in effect — City of Toronto, Canada
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
Freezing temperatures are expected early this morning.
Temperatures are expected to fall to near the freezing mark early this morning, particularly for areas north of Highway 401. For areas closer to Lake Ontario, temperatures will remain a few degrees warmer.
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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 ONstorm@ec.gc.ca or post reports on social media using #ONStorm.
Measurements
| Coordinates | 43.7257, -79.3574 |
|---|---|
| Region | City of Toronto |
| Location Precision | polygon |
| Issuing Authority | Canada — ca-msc-xx |
| Cap Urgency | Future |
| Cap Certainty | Likely |
| Cap Expires | 2026-10-17T13:29:54-00:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportAlso reported by: WMO
This event as JSON · API and licence
Source updated 2 days ago (Oct 17, 2026 08:22 UTC) · we last heard from WMO Alert Hub (national weather services) 10 seconds ago
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Official authorities in Canada
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for Canada →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Hypothermia and frostbite prevention, home heating safety, and surviving being stranded in a vehicle.
Open Severe Cold & Winter Storm Safety →Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.