8:42 a.m. EDT Friday 13 March 2026

Impact Level: Moderate

Forecast Confidence: High


Snow expected late this morning through Saturday morning.

What:
Total snowfall amounts of near 15 cm over some locations.
Snowfall rates up to 5 cm per hour.

When:
Beginning later this morning through Saturday morning.

Additional information:
Snowfall amounts near 15 cm are expected inland from Lake Ontario and over higher elevations such as the Oak Ridges Moraine.

Lesser amounts are expected near Lake Ontario where warmer temperatures are likely to result in a longer period of rain.

The major highways likely to be affected the most with hazardous winter driving conditions are Highways 400, 404, 407 and 115. A return to winter driving conditions is also expected on Highways 401 and 2.

Travel will likely be challenging. There may be a significant impact on rush hour traffic. Visibility will likely be reduced at times.

Prepare for quickly changing and deteriorating travel conditions.

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 X using #ONStorm.

In effect for:

• Pickering - Oshawa - Southern Durham Region