Koshi Kogen Ski Area 16 Day Snow Forecast

This 16-day snow and weather forecast for Koshi Kogen Ski Area provides a detailed outlook on upcoming snowfall, temperature trends, wind conditions, and freezing levels. Use this long-range forecast to plan ski days, powder hunts, and travel decisions with confidence as mountain weather patterns evolve over the coming weeks.

37.32, 138.884
Variable Fri
Jun 12		 Sat
Jun 13		 Sun
Jun 14		 Mon
Jun 15		 Tue
Jun 16		 Wed
Jun 17		 Thu
Jun 18		 Fri
Jun 19		 Sat
Jun 20		 Sun
Jun 21		 Mon
Jun 22		 Tue
Jun 23		 Wed
Jun 24		 Thu
Jun 25		 Fri
Jun 26		 Sat
Jun 27		 Sun
Jun 28		 Mon
Jun 29
Sunrise 04:23 04:23 04:23 04:23 04:23 04:23 04:23 04:23 04:24 04:24 04:24 04:24 04:25 04:25 04:25 04:26 04:26 04:26
Sunset 19:05 19:05 19:05 19:06 19:06 19:07 19:07 19:07 19:07 19:08 19:08 19:08 19:08 19:08 19:09 19:09 19:09 19:09
Rain Sum (mm) 3.5 - 0.3 - - - - - 9.5 2.7 0.1 - - 18.3 6.4 - - -
Snowfall Sum (cm) - - - - - - - - - - - - - - - - - -
Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather Weather
Precipitation Sum (mm) 4.3 - 1.7 1.2 - - 6.3 - 12.4 4.1 13.6 4.3 - 18.7 16.9 0.1 - -
Max Temperature (°C) 24 24 27 24 27 30 30 28 26 24 20 21 25 26 22 24 25 26
Min Temperature (°C) 12 13 16 13 16 17 15 18 18 18 14 12 16 17 18 15 13 14
Max Wind Gusts (km/h) 17 16 9 7 12 14 13 13 27 43 43 10 10 14 16 10 9 10
Max Wind Speed (km/h) 16 17 10 7 14 8 20 16 12 25 24 11 14 18 10 9 12 13
Dominant Wind Direction (°)
Precipitation Probability (%) 36 23 50 37 - - 60 14 83 84 98 40 22 42 78 14 8 5
Freezing Level
Top 442 m
Mid 375 m
Bot 307 m