Further details on the warning can be found on Environment Canada’s website. According to Environment Canada, 10 cm of snow will fall over northern sections of the Fort Nelson region, particularly near the Northwest Territories border on Tuesday as a low-pressure system crosses the area. Snow will begin Tuesday morning and intensify in the afternoon. The heavy snow will ease Tuesday evening as the low moves into Alberta. For up-to-date road conditions, you can visit drivebc.ca.Advertisement – Advertisement -Rapidly accumulating snow could make travel difficult over some locations. Visibility may be suddenly reduced at times in heavy snow. FORT NELSON, B.C. – Environment Canada has issued a snowfall warning for Fort Nelson.