Winter Storm Warning Issued for Greater Sudbury and Vicinity
Environment Canada has issued a winter storm warning for Greater Sudbury, forecasting up to 15 cm of snow and ice pellets along with freezing rain through tonight.
Alert Details
Environment Canada has issued a yellow winter storm warning for the Greater Sudbury region. The alert is currently in effect and was issued on March 12, 2026, as hazardous winter conditions impact the area.
Affected Areas
The primary geographic scope of this alert includes Greater Sudbury and its immediate vicinity.
What You Should Do
Residents are advised that travel will likely be challenging due to the mix of precipitation and ice. Environment Canada recommends that residents continue to monitor local alerts and forecasts. To report severe weather, you can send an email to ONstorm@ec.gc.ca or post reports on X using the hashtag #ONStorm.
Expected Conditions
The storm involves a transition from freezing rain and ice pellets to snow. Specific hazards include:
- Snow and Ice Pellets: Total accumulations of 10 to 15 cm are expected.
- Ice Accretion: A build-up of up to 4 mm of ice is possible.
- Blowing Snow: Local blowing snow is expected to impact visibility.
Timeline
The alert remains in effect through tonight. Freezing rain and ice pellets are expected to change to all snow this evening. The snowfall will diminish in intensity from west to east as the night progresses. The current alert window is scheduled to expire at 12:04 PM on March 12, 2026.
Source: ECCC Official Notice