Iwappara Snow Report and Forecast
Snow Forecast for Iwappara
When will there be fresh snow?
This is the Snow Forecast for Iwappara, Japan for 16 days from 25 March.
Updated 26 March 2025 09:34 AEDT.
| Next Snow Expected | 30 March |
|---|---|
| Next Snow Amount | 6cm |
| Next 48 Hours | - |
| Next 7 Days | 8cm |
| Free Snow Reports by e-Mail | Sign Up for Powder Alerts |
For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Iwappara.
Forecast for today in Iwappara
Max 18℃
Min 9℃
Valley temperatures from an overnight low of 9℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Tue
25
Snow unlikely
Clear sky.
Iwappara has no new snow forecast in the next 48 hours.
Iwappara Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Iwappara 7-Day Snow Forecast Overview
Get this snow forecast by e-mail Join J2Ski's Snow Mail Here
NEW FOR 24/25 - Improved Forecasts for Iwappara - high-resolution weather models, updated more often - Subscribe
| Tue 25 | Wed 26 | Thu 27 | Fri 28 | Sat 29 | Sun 30 | Mon 31 | |
|---|---|---|---|---|---|---|---|
| Wind | NW F3 | SW F2 | |||||
| 985m | 18℃
| 12℃
| 20℃
 | 12℃
 | 3℃
 +1cm
| -1℃
+6cm
| 0℃
+1cm
|
| NW F2 | |||||||
| 693m | 18℃
| 12℃
| 20℃
| 12℃
| 5℃
+1cm
| 1℃
 +6cm
| 3℃
|
| W F2 | |||||||
| 400m | 18℃
| 12℃
| 20℃
| 12℃
| 7℃
+1cm
| 3℃
+3cm
| 4℃
|
| Snow Line | varying 469m | varying 519m | varying 449m | 400m | |||
| Max Town | 18℃ | 12℃ | 20℃ | 12℃ | 7℃ | 3℃ | 4℃ |
| Min Town | 9℃ | 4℃ | 13℃ | 1℃ | 1℃ | -2℃ | -1℃ |
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.
Iwappara 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 18℃
Min 9℃
Valley temperatures from an overnight low of 9℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Tue
25
Snow unlikely
Clear sky.
Max 12℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 12℃
Temperature at BaseTemp at Base
Wed
26
Snow unlikely
Clear spells, fair, clear sky later.
Max 20℃
Min 13℃
Valley temperatures from an overnight low of 13℃ to daytime highs around 20℃
Temperature at BaseTemp at Base
Thu
27
Snow unlikely
Clear sky, clear spells, rain showers later.
Max 12℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 12℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
28
Snow unlikely
Cloudy, drizzle, clear spells later.
Max 7℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 7℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
29
1cm New Snow
Cloudy.
Snow Line from 519m to resort level.
Max 3℃
Min -2℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 3℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
30
3cm to 6cm New Snow
Light snow, light snow showers, snow showers later.
Snow Line from 449m to resort level.
Max 4℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 4℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
31
up to 1cm New Snow
Light snow first, clear sky then clear spells, cloudy later.
Snow falling to resort level.
This Snow Forecast for Iwappara, 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 Iwappara, 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.
Iwappara Snow Forecast updated at 09:34 AEDT, next update expected 15:00 AEDT.
Snow Forecast near Iwappara
| Snow Report and Forecast | 48 Hr | Tue | Wed | Thu | Fri | Sat | Sun | Mon | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Kagura | - | 14cm | |||||||
| Naeba | - | 11cm | |||||||
| Kawaba | - | 8cm | |||||||
| Yuzawa Kogen | - | 6cm | |||||||
| Yuzawa Nakazato | - | 4cm | |||||||
| Yuzawa ParK | - | 4cm | |||||||
| Ipponsugi | - | 2cm |
Understanding and predicting Snow Conditions in Iwappara
Here are our tips for making the most of a trip to Iwappara, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Iwappara, 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 Iwappara 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 Iwappara 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 Iwappara 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.