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Elev 738 ft, 44.92 °N, 79.37 °W

Gravenhurst, Ontario, Canada Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Gravenhurst, Ontario, Canada
Elevation: 738ft
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Active Weather Alerts

Yellow Warning - Snow Squall
Issued: 1:15 PM Dec. 21, 2025 – Environment and Climate Change Canada
Lake effect snow squalls continue today.

What:
Near zero visibility at times in heavy snow and blowing snow.
Local snowfall amounts of 15 to 25 cm.

When:
This morning through this afternoon.

Additional information:
Lake effect snow squalls off of Lake Huron and Georgian Bay will continue today. The primary hazard  with these snow squalls will be near zero visibility, as strong northwest winds and blowing snow will continue through the day.

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Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero 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.
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