A cold front sweeping through northeastern Ontario is forecast to bring gusts reaching up to 70 km/h starting late tonight

WEATHER ALERT

ENV|IRONMEN|T CANADA

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Issued at 2025-12-20 11:19AM EST by Environment Canada:

Yellow level watch – snow squall – issued for:

Greater Sudbury and vicinity, Ont. 

Temiskaming Shores – Temagami, Ont. 

North Bay – West Nipissing, Ont. 

Espanola – Killarney, Ont. 

Manitoulin Island, Ont. 

Impact Level: Moderate

Forecast Confidence: High

A frontal snow squall is possible tonight.

What:

Near zero visibility at times in heavy snow and blowing snow.

West winds gusting up to 70 km/h.

When:

Late this evening or overnight.

Additional information:

After a period of snowfall today, a strong cold front will pass through the region. This front will bring strong wind gusts and a possible frontal snow squall, briefly reducing visibility to near zero in heavy snow and blowing snow.

Travel may be hazardous.

Prepare for the possibility of 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 [email protected] or post reports on X using #ONStorm.

For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.

More details on the alert are available here.

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