Environment Canada has upgraded its “special weather statement” for the upper Ottawa Valley to an official “winter storm watch.”
“Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions,” the agency said in an update Friday afternoon.
The forecast currently calls for a 60 per cent chance of drizzle or rain this evening and after midnight with temperatures steady near plus 4C.
Saturday will see rain mixed with snow, changing to “ice pellets mixed with snow” in the morning.
“Risk of freezing rain in the morning and afternoon. Ice pellet amount 5 to 10 cm. Wind up to 15 km/h. Temperature falling to minus 6 in the afternoon. Wind chill minus 12 in the afternoon.”
Ice pellets mixed with snow will continue Saturday night with northeast winds of 20 km/h, gusting to 40.
“Low minus 11. Wind chill minus 12 in the evening and minus 19 overnight.”
Periods of snow will continue Sunday with a high of minus 8.
“Please refer to the latest public forecasts for further details and continue to monitor the situation,” Environment Canada urges.