Winter Storm Watch Issued for Greater Sudbury and Vicinity
This alert is no longer in effect.
ECCC issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this ECCC weather alert directly from ECCC's official public data feed. See our methodology for full source attribution and refresh cadence.
Environment Canada has issued a winter storm watch for Greater Sudbury, warning of heavy snow, ice pellets, and freezing rain beginning late tonight.
Read this weather record in 30 seconds
- Record type
- Winter Storm
- Affected area
- Greater Sudbury and vicinity
- Issued
- April 6, 2026
- Issuing authority
- ECCC
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Greater Sudbury and vicinity.
Alert Details
Environment Canada has issued a winter storm watch (yellow watch) for the Greater Sudbury region. The alert indicates a potential for significant wintry precipitation, including freezing rain, snow, and ice pellets, as a low-pressure system moves through the area.
Affected Areas
This weather alert specifically impacts Greater Sudbury and the surrounding vicinity.
What You Should Do
Residents are advised to monitor local alerts and forecasts issued by Environment Canada. Because roads and walkways may become difficult to navigate, travelers should prepare for potential delays. To report severe weather, you can email ONstorm@ec.gc.ca or post reports on X using the hashtag #ONStorm.
Expected Conditions
A wintry mix is expected to bring the following conditions:
- Snow and Ice Pellets: Accumulations of 10 to 15 cm are possible.
- Freezing Rain: Several hours of freezing rain and ice pellets may lead to ice accretion or build-up of up to 4 mm.
- Blowing Snow: Local blowing snow is anticipated as precipitation transitions to all snow late Wednesday.
- Travel Hazards: Hazardous travel conditions are likely regardless of the final precipitation type.
Timeline
The event is expected to begin late tonight or Wednesday morning, continuing through Wednesday night. Precipitation is forecast to change to all snow late Wednesday before tapering off Wednesday night. Environment Canada notes that confidence remains low regarding exact precipitation amounts and types due to uncertainty in the track of the low-pressure system.
Original source: ECCC Official Notice ↗
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