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Biwako Valley Snow Forecast - 13th March 2025

Snow Mail

Biwako Valley Snow Report and Forecast

Snow Forecast for Biwako Valley

When will there be fresh snow?

This is the Snow Forecast for Biwako Valley, Japan for 15 days from 13 March.

Updated 13 March 2025 09:37 AEDT.

Biwako Valley Snow Forecast Highlights
Next Snow Expected17 March
Next Snow Amount3cm
Next 48 Hours-
Next 7 Days18cm
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For Forecast detail, see below.

For current snow depths and skiing conditions, see our Current Snow Report for Biwako Valley.

Forecast for today in Biwako Valley

Max 7℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 7℃

Temperature at BaseTemp at Base

Thu
13

Snow unlikely

FairMixedFairClear

Fair first, clear spells then fair, clear sky later.

Biwako Valley has no new snow forecast in the next 48 hours.

Biwako Valley Snow Report

Biwako Valley Snow Depths and Conditions.
Upper Snow Depths
-
Lower Snow Depths
-
Snow Conditions
-

Biwako Valley 7-Day Snow Forecast Overview

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 NEW FOR 24/25 - Improved Forecasts for Biwako Valley - high-resolution weather models, updated more often -  Subscribe

Summary Weather and Snow Forecast for Biwako Valley from OpenMeteo
Thu
13
Fri
14
Sat
15
Sun
16
Mon
17
Tue
18
Wed
19
WindSW F2SW F4NW F3NW F2
1,174m
7℃
Mixed
5℃
Fair
3℃
Mixed
6℃
Light Snow
+3cm
-3℃
Lt Snow Shwrs
+6cm
-1℃
Lt Snow Shwrs
0℃
Snow
+8cm
SW F2SW F4W F3NW F2
1,057m
7℃
Mixed
5℃
Fair
4℃
Mixed
7℃
Light Snow
+1cm
-2℃
Lt Snow Shwrs
+3cm
-1℃
Lt Snow Shwrs
+1cm
0℃
Snow
+8cm
SW F2SW F4W F3NW F2
940m
7℃
Mixed
5℃
Fair
5℃
Mixed
8℃
Light Snow
+1cm
-1℃
Lt Snow Shwrs
+2cm
0℃
Lt Snow Shwrs
+1cm
1℃
Snow
+8cm
Snow Line

varying 979m
to 940m

940m

940m

940m

Max Town7℃5℃5℃8℃-1℃0℃1℃
Min Town1℃-2℃0℃-1℃-6℃-4℃-6℃

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.

Biwako Valley 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 7℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 7℃

Temperature at BaseTemp at Base

Thu
13

Snow unlikely

FairMixedFairClear

Fair first, clear spells then fair, clear sky later.

Max 5℃
Min -2℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 5℃

Temperature at BaseTemp at Base

Fri
14

Snow unlikely

ClearClearFairFair

Clear sky early, then fair later.

Max 5℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 5℃

Temperature at BaseTemp at Base

Sat
15

Snow unlikely

FairMixedMixedLt Rain

Fair, clear spells, light rain later.

Max 8℃
Min -1℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -1℃ and rising to 8℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Sun
16

1cm to 3cm New Snow

Lt RainCloudLt RainMixed

Light rain first, cloudy then light rain, clear spells later.

Snow Line from 979m to resort level.

Max -1℃
Min -6℃

Below freezing at all levels, with valley temperatures as low as -6℃ and not getting above -1℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Mon
17

2cm to 6cm New Snow

SnowCloudFairFair

Snow showers, cloudy, fair later.

Snow falling to resort level.

Max 0℃
Min -4℃

Valley temperatures from an overnight low of -4℃ to daytime highs around 0℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Tue
18

up to 1cm New Snow

CloudLight SnowFairClear

Cloudy first, light snow then fair, clear sky later.

Snow falling to resort level.

Max 1℃
Min -6℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -6℃ and rising to 1℃

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Wed
19

8cm New Snow

CloudSnowSnowMixed

Cloudy first, snow showers then heavy snow showers, clear spells later.

Snow falling to resort level.

This Snow Forecast for Biwako Valley, 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 Biwako Valley, 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.

Biwako Valley Snow Forecast updated at 09:37 AEDT, next update expected imminently.

Snow Forecast near Biwako Valley

Snow Forecasts for Ski Resorts near Biwako Valley
Snow Report and Forecast 48 HrThuFriSatSunMonTueWed 7 Day
Happo One7cm 27cm
Hakuba 477cm 26cm
Tsugaike Kogen5cm 18cm
Myoko Suginohara3cm 16cm
Myoko Pine Valley-11cm
Myoko Ikenotaira-9cm
Togari Onsen-4cm

Understanding and predicting Snow Conditions in Biwako Valley

Here are our tips for making the most of a trip to Biwako Valley, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Biwako Valley, 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 Biwako Valley 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 Biwako Valley 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 Biwako Valley 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.