Your weather when it really mattersTM


Please choose your default site


Asia - Pacific


Bryanston, ON

Alerts in Effect

Snowfall Warning

Issued at 15:33 Tuesday 01 December 2020

Heavy snow and local blowing snow continues into this evening. An additional 10 to 20 cm of snow is expected, mainly between Sarnia and London.

10-20 cm of additional snow
Blowing snow
Wind gusts to 70 km/h

Poor visibility in quickly accumulating snow and blowing snow
Poor road conditions
Worst impacts expected between Sarnia and London

Continuing now through early Wednesday morning

22cm of snow has been reported at London Airport and by a weather spotter in Parkhill so far through this event, however regional RADAR depicts the heaviest snow in a lake enhanced band between Sarnia and London now. Widespread snow will continue across the area, but the bulk of the heavy snow should be focused between Sarnia and London this evening before gradually easing overnight.


Rapidly accumulating snow will make travel difficult.

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

Track the Storm

Latest News

See All News

Default saved

Search Location


Sign In

Please sign in to use this feature.