ON/QU: Snowfall Warning (15 to 20 cm) for TCH #17 in Ottawa Valley and AutoRoutes 20, 30, 40 along the St Lawrence Valley from Mattawa to Montreal to Quebec City
Snowfall amounts of near 15 centimetres are expected until tomorrow. Note that the precipitation will fall as rain for some areas late this afternoon and early this evening before changing to snow. Peak snowfall rates of 2 to 4 cm per hour possible. Rapidly accumulating snow could make travel difficult over some locations. There may be a significant impact on rush hour traffic in urban areas.
