Environment Canada has issued a snow squall watch for:
- North Bay – Powassan – Mattawa
- West Nipissing – French River
Officials say brief, intense snowfall is expected to develop. Under the snow squall, visibility will be significantly reduced due to the heavy snow.
Sudden whiteout conditions in heavy snow and local blowing snow.
Snowfall accumulations of 2 to 5 cm in an hour or two.
Environment Canada has also issued an extreme cold warning for the same areas.
Officials say widespread wind chills of minus 40 to minus 45 are expected tonight into Friday morning. Extreme cold wind chills are expected once again Friday night into Saturday morning for some areas. Temperatures will moderate through the day on Saturday bringing an end to the extreme cold spell.
The agency says risks are greater for young children, older adults, people with chronic illnesses, people working or exercising outdoors, and those without proper shelter.
They add to cover up, as frostbite can develop within minutes on exposed skin, especially with wind chill.