Active AlertsGrey Highlands, ON

Dangerous snow squalls and blizzard conditions Monday into Tuesday.

What:
Blizzard conditions.
Total local snowfall amounts of 20 to 40 cm.
Strong wind gusts of 70 to 90 km/h.

When:
Monday morning easing to scattered flurries Tuesday afternoon.

Additional information:
Lake effect snow squalls off Lake Huron will develop early Monday morning. Widespread blowing snow and blizzard conditions will be the primary concern as northwesterly wind gusts of 70 to 90 km/h are expected Monday into Monday night.

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Travel will likely be extremely hazardous and some routes will likely be impassable. Visibility will likely be suddenly reduced to near zero at times. Road closures are likely. Prolonged, widespread utility outages are likely.

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.

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

Prepare for extremely dangerous travel conditions.

Strong winds expected on Monday.

What:
Strong southwesterly and northwesterly wind gusts of 70 to 90 km/h.

When:
Beginning Monday morning and easing Monday evening.

Additional information.
Strong southwesterly winds are expected to develop Monday morning with the passage of a strong cold front. The winds will become northwesterly through the afternoon. The winds will ease through Monday evening. Areas with significant ice build-up from freezing rain will be most vulnerable.

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Utility outages are possible. Significant disruptions to services and travel are likely. Significant damage to buildings and/or trees is possible.

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.

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

Secure loose objects. Stay away from fallen power lines. Prepare for some disruptions to transportation, services, and utilities.

Near zero visibility in fog continues.

When:
Continuing early this morning.

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Travel will likely be hazardous in some locations. Visibility will likely be suddenly reduced at times.

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.

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

Be prepared for areas of near-zero visibility and allow extra time to reach your destination.