Finer snow forecasts, new ways to explore ski resorts, and easier access to the places you care about.

❄️ Snowly provides access to high-resolution snowfall forecasts for Europe in both 2D and 3D. Snowfall is recomputed on the terrain at about 400 m resolution across Europe. The 3D mode includes detailed terrain, allowing you to see how topography affects snowfall.

The forecasts are generated using a post-processing model of Snowly, that performs downscaling on several Numerical Weather Prediction systems. Input data come from:
• ICON-EU (DWD)
• IFS (ECMWF)
• GFS (NOAA)
• GEM (CMC)

Updates arrive twice per day, around midday and midnight (UTC), for the 00z and 12z model runs.

Two snowfall variables are available:
• 3-hour snowfall - total model precipitation classified as snowfall, over the past 3 hours at each timestep.
• Accumulated snowfall - cumulative model precipitation classified as snowfall, since model initialization time.

Snow line (3-hour view, tick it in the menu): when you zoom in, a dashed line on the terrain shows the lowest height where the temperature allows snowfall in those 3 hours (precipitation might not be present). Click any point to see each model's snowfall and snow level over time.

Snowly does not predict snow depth. The model analyzes total precipitation and strictly classifies it as snowfall only when atmospheric conditions allow. Values represent liquid-water equivalent (1 mm = 1 L/m²), not snow height or existing snowpack.

Additional map layers allow you to display cities, roads and ski centres and pistes.

👥 This application is developed by Giannis Dravilas and Giorgos Kyros. Giannis holds an MSc in Artificial Intelligence from the University of Amsterdam. He has worked in several Data Science and AI roles for weather companies and organizations. Giorgos holds an MSc in Web Intelligence and works as a Data Analyst and Visualization Specialist in the weather and climate domain at the National Observatory of Athens / meteo.gr and Climatebook.gr.

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Data & Attributions:

This service presents snowfall forecasts generated by Snowly. Our model downscales and processes data from the following major weather agencies to create new predictions. Please note that none of the agencies below endorse this website or are responsible for the specific forecasts presented here. Snowly provides these forecasts 'as is' without warranty of any kind, and accepts no liability for decisions made based on this information.

• • NOAA/NCEP (USA): Input data from the GFS model. Source: NOAA/NCEP (Public Domain).
• • Environment and Climate Change Canada (CMC): Input data from the GEM/GDPS model. Based on data provided by Environment and Climate Change Canada, licensed under the Data Server End-use Licence.
• • Deutscher Wetterdienst (Germany): Input data from the ICON-EU model. Source: DWD, licensed under dl-de/by-2-0.
• • ECMWF (Europe): Input data from the IFS model. Copyright © 2025-2026 European Centre for Medium-Range Weather Forecasts (ECMWF). Source: www.ecmwf.int. Licensed under CC BY 4.0.
  Disclaimer: ECMWF does not accept any liability whatsoever for any error or omission in the data, their availability, or for any loss or damage arising from their use.
• Altitude contours, the model's terrain and the heights of places and ski resorts produced using Copernicus WorldDEM-90. © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved.
• Ski centre and piste layers sourced from OpenSnowMap.org contributors (based on OpenStreetMap), licensed under CC BY-SA.
• Ski resort names, areas and heights from © OpenStreetMap contributors, available under the Open Database License (ODbL).
• Terrain (3D view and the detailed snowfall drawing): Mapzen Terrain Tiles (SRTM, GMTED, ETOPO1 and other sources listed there).
• City data by GeoNames (licensed under CC BY 4.0).
• Road data by Natural Earth.