6:42 PM EST Thursday 07 November 2019
Snow squall warning in effect for:
- London - Parkhill - Eastern Middlesex County
- Strathroy - Komoka - Western Middlesex County
Intense snow squalls expected this evening through Friday.
Snow squalls are forecast to develop off southern Lake Huron this evening and then intensify tonight, producing local amounts up to 25 cm by Friday morning. Visibilities will be significantly reduced at times due to heavy snow. Occasional lightning and thunder may accompany these snow squalls.
Additional snowfall accumulations in the 10 to 15 cm range are expected during the day Friday bringing total snowfall accumulations to 30 to 40 cm locally.
The snow squalls are forecast to weaken by Friday evening.
Snow squalls cause weather conditions to vary considerably; changes from clear skies to heavy snow within just a few kilometres are common. Prepare for 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
ONstorm@canada.ca or tweet reports using #ONStorm.