Major winter storm expected Sunday (Chapleau – Missinaibi Lake)

Orange Watch – Winter Storm

5:11 PM EDT Friday 13 March 2026

Impact Level: High
Forecast Confidence: High

Major winter storm expected.

What:

• Total snowfall accumulations of 30 to 50 cm.
• Near zero visibility in heavy snow and blowing snow.
• Wind gusts of 70 to 80 km/h.
• Ice buildup from freezing rain.

When: Sunday through Monday night.

Additional information: Confidence is increasing in a hazardous winter storm impacting northeastern Ontario.

At this time, most regions are expected to see rapidly accumulating snowfall and blowing snow. Regions from Manitoulin Island toward Kirkland Lake and east are expected to switch over to freezing rain or ice pellets by Monday, lowering their total snowfall amounts.

Travel on Highways 11, 17 and 101 will be impacted. Visibility may be suddenly reduced to near zero at times. Road closures are possible.

Prolonged utility outages are possible.

Prepare for possibly prolonged disruptions to transportation, services, and utilities.

• Author
• Recent Posts

Environment Canada

Yellow Alert = Hazardous weather
Orange Alert = Severe weather
Red Alert = Very dangerous and possibly life-threatening weather

For road conditions and other traveller information from the Ministry of Transportation, visit https://www.ontario.ca/511, or call 5-1-1.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or tweet reports using #ONStorm.

Latest posts by Environment Canada (see all)

• Major winter storm expected Sunday (Agawa – Lake Superior Park) - March 13, 2026
• Major winter storm expected Sunday (Montreal River Harbour – Searchmont) - March 13, 2026
• Major winter storm expected Sunday (Gogama – Foleyet) - March 13, 2026