Weather Watches, Warnings, and Advisories

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Saturday

Squall Warning

  • Barrie – Collingwood – Hillsdale
  • Orillia -Lagoon City – Washago
  • Midland – Coldwater – Orr Lake
  • Blue Mountains – Grey

Snow squalls are expected. Under the snow squall bands, visibilities will be significantly reduced due to the heavy snow combined with blowing snow, and snow will quickly accumulate.

Hazard:
Local heavy snow with amounts of 15 to 25 cm.
Local blowing snow.

When:
Until Sunday morning.

Prepare for quickly changing and deteriorating travel conditions. Visibility will be suddenly reduced to near zero at times in heavy snow and blowing snow. Consider postponing non-essential travel until conditions improve. Road closures are possible.

Squall Watch

  • Bracebridge – Gravenhurst
  • Port Severn – Port Carling


Snow squalls will continue today and are expected to push out of the region this evening.

Local snowfall accumulations of 10 to 15 cm are expected by late this evening with amounts up to 20 cm possible in areas that experience persistent snow squalls.

The heavy snow will combine with strong northwesterly winds resulting in reduced visibilities in heavy snow and blowing snow at times.

Squall Watch

  • New Tecumseth – Essa – Innisfil
  • Newmarket – Georgina – northern York Region
  • Beaverton – Uxbridge – northern Durham Region

Snow squalls possible this afternoon through tonight.

Snow squalls are forecast to develop today and are expected to move over portions of the area later this afternoon and continue through tonight.

Local snowfall accumulations of 10 to 15 cm will be possible by early Sunday morning.

The heavy snow will combine with strong northwesterly winds resulting in reduced visibilities in heavy snow and blowing snow at times.

Travel will likely become difficult and motorists are advised to exercise caution.

These snow squalls are forecast to weaken by early Sunday morning.

Winter Storm Advisory

  • Huntsville – Baysville
  • Town of Parry Sound – Rosseau – Killbear Park

Winter storm expected Sunday afternoon through Monday.

Hazards:
Heavy snow. Total snowfall accumulations of 10 to 25 cm.
Strong winds with gusts of 60 to 70 km/h.
Risk of freezing rain for some areas.
Heavy rain for some areas.

When:
Sunday afternoon through Monday evening.

Impacts:
Hazardous travel conditions are expected.

Discussion:
A strengthening low pressure system is expected to track east across the Great Lakes Sunday through Monday. There remains some uncertainty in the track of this low pressure system and as a result, the snowfall amounts and areas affected by freezing rain and heavy rain could change. At this time, areas north and west of Sudbury are expected to receive mainly snow, whereas areas east and south of Sudbury could see a wintry mix of precipitation. Warnings will be issued as the event draws nearer.