Karuizawa Snow Report and Forecast
Snow Forecast for Karuizawa
When will there be fresh snow?
This is the Snow Forecast for Karuizawa, Japan for 16 days from 31 December.
Updated 30 December 2024 22:34 PST.
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Karuizawa. | |
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Forecast for today in Karuizawa
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
31
Snow unlikely
Clear sky, snow showers, clear sky later.
Karuizawa has very light new snow forecast in the next 48 hours.
Karuizawa Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Karuizawa 7-Day Snow Forecast Overview
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| Tue 31 | Wed 01 | Thu 02 | Fri 03 | Sat 04 | Sun 05 | Mon 06 | |
|---|---|---|---|---|---|---|---|
| Wind | NW F3 | ||||||
| 3,789ft | 40°F
| 33°F
| 42°F
| 39°F
 | 32°F
| 34°F
| 34°F
 |
| NW F3 | |||||||
| 3,437ft | 40°F
| 33°F
| 42°F
| 39°F
| 33°F
| 36°F
| 35°F
|
| NW F3 | |||||||
| 3,084ft | 40°F
| 33°F
| 42°F
| 39°F
| 36°F
| 38°F
| 35°F
|
| Snow Line | 3,084ft | ||||||
| Max Town | 40°F | 33°F | 42°F | 39°F | 36°F | 38°F | 35°F |
| Min Town | 24°F | 27°F | 31°F | 26°F | 24°F | 29°F | 32°F |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
Snow Forecast at a glance
| Tue | Wed | Thu | Fri | Sat | Sun | Mon |
|---|---|---|---|---|---|---|
For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Karuizawa.
Karuizawa Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
31
Snow unlikely
Clear sky, snow showers, clear sky later.
Temperature at BaseTemp at Base
Wed
01
Snow unlikely
Clear sky.
Temperature at BaseTemp at Base
Thu
02
Snow unlikely
Clear sky.
Temperature at BaseTemp at Base
Fri
03
Snow unlikely
Clear sky first, clear spells then clear sky, fair later.
Temperature at BaseTemp at Base
Sat
04
Snow unlikely
Clear spells early, then fair later.
Temperature at BaseTemp at Base
Sun
05
Snow unlikely
Clear spells first, clear sky then clear spells, cloudy later.
Temperature at BaseTemp at Base
Mon
06
Snow unlikely
Cloudy, light sleet, clear sky later.
No significant snowfall is forecast for this period.
This Snow Forecast for Karuizawa, Japan gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Karuizawa, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Karuizawa Snow Forecast updated at 22:34 PST, next update expected imminently.
Snow Forecast near Karuizawa
| Snow Report and Forecast | 48 Hr | Tue | Wed | Thu | Fri | Sat | Sun | Mon | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Kusatsu Onsen | 4in | 6in |
Understanding and predicting Snow Conditions in Karuizawa
Here are our tips for making the most of a trip to Karuizawa, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Karuizawa, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.
Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:
Pistes (Groomers) or Off-Piste
These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.
- Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
- Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.
WARNING - skiing off-piste (out-of-bounds) at Karuizawa is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, ski with safety kit (and know how to use it), and never ski alone.
Analyzing Weather and Snowfall Forecasts
Whilst no forecast can tell you exactly how snow conditions in Karuizawa will develop, checking the forecast regularly should give you an idea of what to expect.
New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.
Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.
Predicting Future Snow Quality
Regularly check our snow and weather forecasts for Karuizawa for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.
Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.