Heavy snow and snow storms are forecast for the northern parts of Japan through Monday.

Japan's Meteorological Agency says that cold air is flowing into Japan, bringing heavy snow mainly in Hokkaido and on the areas facing the Sea of Japan on the main island of Honshu.

Forecasters say up to one meter of snow is expected in Niigata Prefecture and 70 centimeters of snow in the Hokuriku and Tohoku regions over the 24 hours through Monday morning.

They also urge caution against strong gusts of wind, high waves, and avalanches.

Bad weather could disrupt public transportation and cause blackouts. Drivers are advised to be careful on slippery roads.