Winter Storm Watch Issued for Greater Sudbury and Vicinity

Weather Alerts medium ECCC · · Greater Sudbury and vicinity

Environment Canada has issued a winter storm watch for Greater Sudbury, warning of heavy snow, ice pellets, and freezing rain beginning late tonight.

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 [email protected] 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.

Source: ECCC Official Notice