Official Resort Websites Provide Snow Forecasts & Current Conditions:

The first source for snow information is the official website of the ski resort you plan to visit. Many websites provide real-time updates on snowfall, base depth, current weather conditions and snow forecasts. Many resorts also include live webcams, allowing you to view the slopes and get a firsthand look at the snow conditions. Additionally, official websites often feature details about upcoming events, lift statuses, and any other relevant information you may need for your trip. Freshsnow maintains ski resort website links which in turn may give you details snow forecast and condition information. Be sure to click the VIEW button in the table below the map here or by click the ski resort in the map and then click the VIEW link in the popup.

Example of Hakuba Valley Current Snow Conditions

As an example, please see below images and links for 10 ski resorts located in Hakuba Valley. Hakuba maintains well coordinated information on current snow conditions, piste status (eg. what is open and closed) and lift status.

You can check out Hakuba Goryu’s webcams as here

Freshsnow maintains much of this information on its individual pages, including webcams, snow reports, reviews, and more. For example, check out Hakuba Goryu’s information here.

www.snowjapan.com

Snowjapan.com supplies daily snow reports for popular mountains (about 11 resorts at last count Mar 8, 2024). People on the ground write the reports. They really put a great personal touch reports by translating snow forecast into meaningful info for skiers and snowboarders alike. Check out their phenomenal reports out here. But that’s not all! You get a tremendous amount of analytical information like seasons temps, snowfall by day, month, season and year. It is all packed in there for your to analyze!

SnowJapan.com’s Massive Historical Snow Database

SnowJapan has a massive database of current and historical snow pact. It is also very up to date. I took the screenshot below on Mar 8, 2024, of Hakuba Goryu. While 2024 doesn’t look great compared to other years, you will see that it received almost 9.5m as of Mar, 2024 though!

www.snow-forecast.com

Snow-forecast.com offers global snow forecast information but stands out for its detailed forecasts for even the smallest resorts in Japan. Established by Robert Davies, a geophysicist with a PhD from Oxford, in 1997, the site pioneered the initial method of predicting snowfall. It provides comprehensive information, enabling users to access snow forecasts for any mountain up to 12 days in advance, with hourly forecasts available (free forecasts are accessible for today plus 5 days). Users can access data on wind direction, wind speed, meteorological maps, precipitation measurements in centimeters of snow or millimeters of rain, freezing levels, and segmentation by elevation (bottom, mid, and top of the mountain).

Snow-forecast.com – A Granular Snow Forecast for Many Mountains

The static image below, taken from snow-forecast.com, depicts Hakuba Goryu on Mar 8th, 2024. It gives you incredible amount of granular data and it is free for 5 day forecasts (you’ll need to pay for their longer 12 days forecasts).

Social Media and Forums:

Connect with fellow snow enthusiasts and local experts through social media platforms and online forums. X, formerly known as Twitter, provides a community-driven approach to sharing Japan snow forecasts and current snow information. Skiers and snowboarders often share real-time updates, photos, and tips, offering a more personalized perspective on current conditions. Engaging with these communities can also help you discover hidden gems or off-the-beaten-path resorts that may not be as well-known.

Japan Snow Forecasts via Weather Apps:

Stay informed on the go by using weather apps that provide detailed Japan snow forecasts for specific regions. Apps like AccuWeather, Weather.com, and Windy offer customizable settings, allowing you to track the weather conditions of your chosen ski resort. Set up alerts for snowfall, temperature changes, or any other parameters relevant to your skiing preferences. Having this information at your fingertips ensures that you can adapt your plans based on the latest weather updates.

Japan Meteorological Agency (JMA) Website

JMA is a great site for everything about weather in Japan. It includes a great amount of snow forecast data, current conditions and a great database of historical snowfall data and much of it is in English.

For a simple forecast, you can click here and then drill down to the area you are interested in. So is a lot of different ways that JMA presents it forecasts. I encourage you to dig around the site and find the presentation style but best suits your requirements.

Another great source is JMA’s Nationwide Alerts for volcanoes, high waves, thunder storms, frost, avalanches, dry air, and more. Most importantly is the category for heavy snow. That’s right, click and see instantly see where heavy snow is forecast. The image to the right displays a heavy snow warning for the northern part of Nagano, including Hakuba, issued on Mar 9, 2024. Clicking on the map allows you to access the data in table format or view an animated version over time for a 24-hour forecast.

You will also find a great array of historical data for download and analysis. For instance, here you can view total snowfall per month at one of many nationwide weather stations since 1953 (the link provided is for Nagano Prefecture). There is a total of 14 different historical measurements provided. For instance, take a look at Monthly Mean Air Temperature. Unfortunately, it is very clear that winters are getting warmer. If you further average the temperature per decade, you will see an alarming trend unfortunately, too.

JMA will also give you seasonal forecasts. Here you will find the probability of above or below average temperatures for all of Japan. As of Mar 9, 2024, forecasts for average air temperature are provided as far out as Jun to Aug, 2024. In years of El Nino in Japan, air temperature is normally higher than average and precipitation (and snow) is lower than normal.

Based on the above heavy snow warning, you can use other resources to check out the snow. For instance, you can view one of many webcams in Hakuba. Here is the parking lot webcam at the foot of Hakuba Happo One confirming the heavy snow forecast warning is spot on.

Diving back into snow-forecast.com, you can see that the snow will continue for the balance of Mar 9 and taper of Mar 10 and then a bluebird on Mar 11!

Learn How to Make Your Own Snow Forecast for Japan

There is a wealth of expertise and analysis available on various ski resorts to help you understand or even create predictions for heavy snowfall. Factors such as wind direction, the lake effect, orographic uplift, topography, radar, and remote sensing are all integrated into this discussion to assist you in predicting where heavy snowfall will occur in Hakuba. This thread serves as a tutorial to help you comprehend why certain mountains receive more (or less) snow than others on certain days, enabling you to build your micro snow forecast for Hakuba.

Visit the tutorial from ski.com.au here.