Kusatsu Onsen Snow Report and Forecast
Snow Forecast for Kusatsu Onsen
When will there be fresh snow?
This is the Snow Forecast for Kusatsu Onsen, Japan for 16 days from 31 March.
Updated 31 March 2025 19:33 BST.
| Next Snow Expected | 31 March |
|---|---|
| Next Snow Amount | 3cm 1in |
| Next 48 Hours | 12cm 5in |
| Next 7 Days | 12cm 5in |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Kusatsu Onsen.
Forecast for today in Kusatsu Onsen
Max 1℃ 33°F
Min -6℃ 21°F
Valley temperatures from an overnight low of -6℃ 21°F to daytime highs around 1℃ 33°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
31
3cm 1in New Snow
Clear sky first, fair then snow showers, heavy snow showers later.
Snow falling to resort level.
Powder Alert!
Updated 31 March 2025 19:40 BST
Powder Possible :- 12cm 5in of Fresh Snow is forecast for Kusatsu Onsen over the next 2 days.
To get Powder Alerts and Snow Storm Early Warnings by e-mail, Subscribe to our Snow Mail below .
Kusatsu Onsen Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Kusatsu Onsen 7-Day Snow Forecast Overview
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| Mon 31 | Tue 01 | Wed 02 | Thu 03 | Fri 04 | Sat 05 | Sun 06 | |
|---|---|---|---|---|---|---|---|
| Wind | W F2 | SE F2 | SW F3 | ||||
| 1,600m 5,249ft | 1℃ 33°F
+3cm +1in
| 2℃ 35°F
+9cm +4in
| 4℃ 39°F
 | 3℃ 38°F
| 2℃ 36°F
| 4℃ 38°F
| 9℃ 48°F
|
| W F2 | SE F2 | NW F3 | |||||
| 1,423m 4,667ft | 1℃ 33°F
+3cm +1in
| 2℃ 35°F
+9cm +4in
| 4℃ 39°F
| 3℃ 38°F
| 4℃ 39°F
| 6℃ 43°F
| 10℃ 51°F
|
| W F2 | W F3 | ||||||
| 1,245m 4,085ft | 1℃ 33°F
+3cm +1in
| 2℃ 35°F
+9cm +3in
| 4℃ 39°F
| 3℃ 38°F
| 6℃ 43°F
| 6℃ 44°F
| 11℃ 53°F
|
| Snow Line | 1,245m 4,085ft | varying 1,399m 4,590ft | 1,319m 4,327ft | ||||
| Max Town | 1℃ 33°F | 2℃ 35°F | 4℃ 39°F | 3℃ 38°F | 6℃ 43°F | 6℃ 44°F | 11℃ 53°F |
| Min Town | -6℃ 21°F | -3℃ 26°F | -2℃ 29°F | -4℃ 26°F | -1℃ 31°F | 1℃ 34°F | 2℃ 36°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.
Kusatsu Onsen 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.
Max 1℃ 33°F
Min -6℃ 21°F
Valley temperatures from an overnight low of -6℃ 21°F to daytime highs around 1℃ 33°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
31
3cm 1in New Snow
Clear sky first, fair then snow showers, heavy snow showers later.
Snow falling to resort level.
Max 2℃ 35°F
Min -3℃ 26°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ 26°F and rising to 2℃ 35°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
01
9cm 3in to 4in New Snow
Snow showers, heavy snow showers, light snow later.
Snow Line from 1,399m 4,590ft to resort level.
Max 4℃ 39°F
Min -2℃ 29°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ 29°F and rising to 4℃ 39°F
Temperature at BaseTemp at Base
Wed
02
Snow unlikely
Light drizzle, cloudy, fair later.
Max 3℃ 38°F
Min -4℃ 26°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ 26°F and rising to 3℃ 38°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
03
Snow unlikely
Fair first, rain showers then fair, clear spells later.
Max 6℃ 43°F
Min -1℃ 31°F
Valley temperatures from an overnight low of -1℃ 31°F to daytime highs around 6℃ 43°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Fri
04
Snow unlikely
Clear spells early, then fog later.
Max 6℃ 44°F
Min 1℃ 34°F
Valley temperatures from an overnight low of 1℃ 34°F to daytime highs around 6℃ 44°F
Temperature at BaseTemp at Base
Sat
05
Snow unlikely
Cloudy early, then fog later.
Max 11℃ 53°F
Min 2℃ 36°F
Valley temperatures from an overnight low of 2℃ 36°F to daytime highs around 11℃ 53°F
Temperature at BaseTemp at Base
Sun
06
Snow unlikely
Clear spells, cloudy, clear spells later.
This Snow Forecast for Kusatsu Onsen, 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 Kusatsu Onsen, on any given piste 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.
Kusatsu Onsen Snow Forecast updated at 19:33 BST, next update expected 01:00 BST.
Snow Forecast near Kusatsu Onsen
| Snow Report and Forecast | 48 Hr | Mon | Tue | Wed | Thu | Fri | Sat | Sun | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Naeba | 9cm 4in | 10cm 4in | |||||||
| Karuizawa | 5cm 2in | 5cm 2in | |||||||
| Kagura | 2cm 1in | 4cm 2in | |||||||
| Kijimadaira | 1cm 1in | 1cm 1in |
Understanding and predicting Snow Conditions in Kusatsu Onsen
Here are our tips for making the most of a trip to Kusatsu Onsen, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Kusatsu Onsen, 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 Kusatsu Onsen is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, 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 Kusatsu Onsen 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 Kusatsu Onsen 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.