---
title: ICON (DWD)
summary: Germany's ICOsahedral Nonhydrostatic model: global, with nested ICON-EU and the convection-permitting ICON-D2.
mount: <div class="card"><p class="kicker">Models</p><div class="wx-scroll" tabindex="0"><svg class="mg" viewBox="0 0 994 336" width="994" height="336" role="img" aria-label="ICON (DWD): what it is connected to"><style>.mg text{font:12px var(--sans);fill:var(--ink)}.mg .mg-sub,.mg .mg-verb{font-size:10px;fill:var(--ink-2)}.mg-node rect{fill:var(--surface);stroke:var(--line-2)}.mg-node.me rect{stroke:var(--focus);stroke-width:2}.mg-node.unstated rect{stroke-dasharray:2 3;fill:var(--paper)}a.mg-node:hover rect,a.mg-node:focus rect{stroke:var(--focus);stroke-width:2}.mg-edge{fill:none;stroke:var(--ink-2);stroke-opacity:.55;stroke-width:1}.mg-edge.unv{stroke-dasharray:5 4}</style><path class="mg-edge" d="M232 23C306 23 306 168 380 168"><title>stated on the page: opendata.dwd.de</title></path><text class="mg-verb" x="240" y="19" text-anchor="start">carries</text><a class="mg-node " href="data-dwd-open.html"><rect x="2" y="8" width="230" height="30" rx="4"/><text x="9" y="21">DWD open data server</text><text class="mg-sub" x="9" y="33">Open data and APIs</text></a><path class="mg-edge" d="M232 63C306 63 306 168 380 168"><title>stated on the page: open-meteo.com</title></path><text class="mg-verb" x="240" y="59" text-anchor="start">redistributes</text><a class="mg-node " href="data-open-meteo.html"><rect x="2" y="48" width="230" height="30" rx="4"/><text x="9" y="61">Open-Meteo</text><text class="mg-sub" x="9" y="73">Open data and APIs</text></a><path class="mg-edge" d="M232 103C306 103 306 168 380 168"><title>stated on the page: dwd.de</title></path><text class="mg-verb" x="240" y="99" text-anchor="start">runs</text><a class="mg-node " href="body-dwd.html"><rect x="2" y="88" width="230" height="30" rx="4"/><text x="9" y="101">Deutscher Wetterdienst</text><text class="mg-sub" x="9" y="113">Bodies</text></a><path class="mg-edge" d="M232 143C306 143 306 168 380 168"><title>stated on the page: community.windy.com</title></path><text class="mg-verb" x="240" y="139" text-anchor="start">visualises</text><a class="mg-node " href="site-windy.html"><rect x="2" y="128" width="230" height="30" rx="4"/><text x="9" y="141">Windy</text><text class="mg-sub" x="9" y="153">Sites and apps</text></a><path class="mg-edge" d="M232 183C306 183 306 168 380 168"><title>stated on the page: ventusky.com</title></path><text class="mg-verb" x="240" y="179" text-anchor="start">visualises</text><a class="mg-node " href="site-ventusky.html"><rect x="2" y="168" width="230" height="30" rx="4"/><text x="9" y="181">Ventusky</text><text class="mg-sub" x="9" y="193">Sites and apps</text></a><path class="mg-edge" d="M232 223C306 223 306 168 380 168"><title>stated on the page: windguru.cz</title></path><text class="mg-verb" x="240" y="219" text-anchor="start">visualises</text><a class="mg-node " href="site-windguru.html"><rect x="2" y="208" width="230" height="30" rx="4"/><text x="9" y="221">Windguru</text><text class="mg-sub" x="9" y="233">Sites and apps</text></a><path class="mg-edge" d="M232 263C306 263 306 168 380 168"><title>stated on the page: meteopt.com</title></path><text class="mg-verb" x="240" y="259" text-anchor="start">visualises</text><a class="mg-node " href="site-meteopt.html"><rect x="2" y="248" width="230" height="30" rx="4"/><text x="9" y="261">MeteoPT</text><text class="mg-sub" x="9" y="273">Sites and apps</text></a><path class="mg-edge" d="M232 303C306 303 306 168 380 168"><title>stated on the page: lusometeo.com</title></path><text class="mg-verb" x="240" y="299" text-anchor="start">shows a forecast of</text><a class="mg-node " href="site-sc-lusometeo.html"><rect x="2" y="288" width="230" height="30" rx="4"/><text x="9" y="301">Luso Meteo: &quot;Tempestade Charles pod…</text><text class="mg-sub" x="9" y="313">Sites and apps</text></a><g class="mg-node me"><rect x="380" y="153" width="230" height="30" rx="4"/><text x="387" y="166">ICON (DWD)</text><text class="mg-sub" x="387" y="178">Models</text></g></svg></div><p class="wx-legend meta">Left: what points at it. Right: what it points at. Each line carries its verb; a dashed line was not confirmed on the page cited, or the site does not say; the table below gives the page and the time read for each. <span class="prov">From <a href="model-icon.json">model-icon.json</a></span></p></div>
---
# ICON (DWD)

> Kept by incident.meteorology@web-summit.dinis, 11 November 2026, 11:36 UTC

[Where a forecast comes from](../index.md) · Models · id `model-icon` · [as data](model-icon.json)

Germany's ICOsahedral Nonhydrostatic model: global, with nested ICON-EU and the convection-permitting ICON-D2.

**Address:** [https://www.dwd.de/EN/research/weatherforecasting/num_modelling/01_num_weather_prediction_modells/icon_description.html](https://www.dwd.de/EN/research/weatherforecasting/num_modelling/01_num_weather_prediction_modells/icon_description.html) (leaves this site)

## What it is connected to, and who says so

| This | Verb | That | The page that says so | Read | Check |
|---|---|---|---|---|---|
| ICON (DWD) | **is what DWD open data server carries** | [DWD open data server](data-dwd-open.md) | [opendata.dwd.de](https://opendata.dwd.de/weather/nwp/): "Index of /weather/nwp/ Index of /weather/nwp/ ../ icon/ 25-Mar-2023 14:39:17 - icon-d2/ 25-Mar-2023 09:43:48 - icon-d2-eps/ 25-Mar-2023 10:31:17 - icon-eps/ 25-Mar-2023 14:41:19 - icon-eu/ 25-Mar-2023 11:36:17 - icon-eu-" *The directory listing of the server itself.* | 11:29 UTC, 11 Nov | stated on the page |
| ICON (DWD) | **redistributed by** | [Open-Meteo](data-open-meteo.md) | [open-meteo.com](https://open-meteo.com/en/docs/dwd-api): "DWD ICON API / Open-Meteo.com Open-Meteo Home Features Pricing API Docs Animations GitHub X Toggle theme DWD ICON API Open data weather forecasts from the German weather service" | 11:29 UTC, 11 Nov | stated on the page |
| ICON (DWD) | **run by** | [Deutscher Wetterdienst](body-dwd.md) | [dwd.de](https://www.dwd.de/EN/research/weatherforecasting/num_modelling/01_num_weather_prediction_modells/icon_description.html): "Wetter und Klima - Deutscher Wetterdienst - Numerical weather prediction models - ICON (Icosahedral Nonhydrostatic) Model Content Main Menu Search MetaNavigation Main- Menue Press Con­tact De zur Suche Special Users Spec" | 11:29 UTC, 11 Nov | stated on the page |
| ICON (DWD) | **visualised by** | [Windy](site-windy.md) | [community.windy.com](https://community.windy.com/topic/12/what-source-of-weather-data-windy-use): "Resolution is ~22 km. The forecast output is produced every hour for the first 120 hours, three hourly through day 10. ICON Global (Global Forecast System) - the model is operated by the United States' National Weather S" | 11:29 UTC, 11 Nov | stated on the page |
| ICON (DWD) | **visualised by** | [Ventusky](site-ventusky.md) | [ventusky.com](https://www.ventusky.com/about): "Wind speed Wind gusts Clouds Air pressure CAPE Snow cover Humidity Sea Air quality Wind Animation ECMWF, GFS, ICON, GEM Two New High-Resolution Weather Models on Ventusky About us About us Data sources Help Contact The V" | 11:29 UTC, 11 Nov | stated on the page |
| ICON (DWD) | **visualised by** | [Windguru](site-windguru.md) | [windguru.cz](https://www.windguru.cz/help.php?sec=models): "jet streams, tropical storms, or systems crossing continents. Examples include GFS (Global Forecast System) and ICON. Local models, on the other hand, focus on smaller geographic areas, allowing for more detailed predict" | 11:29 UTC, 11 Nov | stated on the page |
| ICON (DWD) | **visualised by** | [MeteoPT](site-meteopt.md) | [meteopt.com](https://www.meteopt.com/): "Meteorologia Português Español English menu_home menu_forum menu_models menu_global GFS ECMWF AIGFS ECMWF-AIFS UKMO ICON ARPÈGE menu_comparator menu_ensemble GEFS ECMWF ENS menu_observation menu_temp menu_sat menu_sst me" *The models menu of the community's home page.* | 11:30 UTC, 11 Nov | stated on the page |
| ICON (DWD) | **is what Luso Meteo: "Tempestade Charles pode, afinal, ser mais fraca do que o previsto" shows a forecast of** | [Luso Meteo: "Tempestade Charles pode, afinal, ser mais fraca do que o previsto"](site-sc-lusometeo.md) | [lusometeo.com](https://lusometeo.com/atualidade/tempestade-charles-mais-fraca-32997/) | 11:30 UTC, 11 Nov | stated on the page |

## Licence: what we may do with it

**Deutscher Wetterdienst (ICON and the open data server)**: CC BY 4.0 (legal notice of dwd.de; the open data server names the same terms) ([dwd.de](https://www.dwd.de/EN/service/legal_notice/legal_notice.html), read 11:30 UTC, 11 Nov, stated on the page).

| Read | Store | Show | Transform | Attribution |
|---|---|---|---|---|
| yes | yes | yes, with attribution | yes, with attribution | "Source: Deutscher Wetterdienst"; a change must be stated. |

Content marked as third-party is excluded.


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Not a warning service: this page explains where data comes from. For warnings follow [IPMA](https://www.ipma.pt/pt/otempo/prev-sam/) and ANEPC.