Karuizawa Snow Park Weather (Next 3 days): The snow forecast for Karuizawa Snow Park is: Drizzle at first, then turning colder with dusting of snow on Wed night. Freeze-thaw conditions (max 11°C on Mon afternoon, min -7°C on Wed night). Winds increasing (calm on Tue afternoon, strong winds from the W by Wed night).
Karuizawa Snow Park Weather (Days 4-6): A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat morning, min -6°C on Thu morning). Winds decreasing (fresh winds from the WNW on Thu morning, calm by Sat morning).