Weather and climate

NVIDIA FourCastNet и модели Earth-2

NVIDIA's set of weather and climate models: global FourCastNet forecasts, downscaling to kilometers (CorrDiff), regional storm forecasts (StormCast), climate generation (cBottle, Atlas). Run via Earth2Studio.

Developer
NVIDIA, USA
First release
Jul 2022
Latest release
Jul 2026
Sizes
98M – 2.5B (FourCastNet 3 — about 711M)
License
Commercial use with conditionsMixed: FourCastNet — Apache 2.0, StormCast and CorrDiff — OpenMDW 1.1, Atlas — NVIDIA Open Model License; the cBottle model card lists an NVIDIA evaluation agreement
Running
On your own serverNeeds a GPU
Industries
Manufacturing and logistics, Finance, Science and research, Public sector
Deploy on your server Hugging Face GitHub

What it does

  • Global forecasts followed by downscaling to the region you need
  • Short-term forecasts of thunderstorms and heavy rain for dispatch services
  • Generating many weather scenarios for stress tests
  • Assessing wind and temperature loads on facilities

Where it is used

Energy and power gridsInsuranceLogisticsWeather services and research centers

Hardware requirements

LaptopLaptop or regular PC, up to 8 GB of VRAM — smaller versions
no versions
1 GPUOne GPU with 16–80 GB — mid-size versions
fits
ClusterServer with several GPUs — flagship versions
no versions

Versions

  1. StormCast CONUS и CorrDiff COSMO
  2. Atlas
  3. cBottle
  4. FourCastNet 3
  5. FourCastNet

How to run it

On your own serverWeights are downloaded from Hugging Face and served with vLLM (load and API) or llama.cpp (modest hardware). The model then runs in a closed network with no per-request fees.Hugging Face
How much hardware you needCalculate the VRAM for the model size, context length and number of concurrent requests.Open the hardware calculator

I can set this up end to end: pick the model size, deploy it on your server and connect it to your systems.

Frequently asked questions

Can NVIDIA FourCastNet и модели Earth-2 be used in a commercial project?

With conditions. License: Mixed: FourCastNet — Apache 2.0, StormCast and CorrDiff — OpenMDW 1.1, Atlas — NVIDIA Open Model License; the cBottle model card lists an NVIDIA evaluation agreement. Restrictions vary — region, company revenue, attribution requirements. Have a lawyer check the terms before a commercial launch.

What hardware does NVIDIA FourCastNet и модели Earth-2 need?

At minimum: One GPU with 16–80 GB — mid-size versions. Without a GPU the model is not practical. You can calculate the exact VRAM for your model size and context in the hardware calculator.

Does NVIDIA FourCastNet и модели Earth-2 support Russian?

Language does not matter for this model: it does not work with text.

Where can I download NVIDIA FourCastNet и модели Earth-2 and what does it cost?

The NVIDIA FourCastNet и модели Earth-2 weights are open and free to download. You only pay for the hardware it runs on and for the setup. Source links are at the bottom of this page.

How I deploy it for clients

  1. SelectionI pick the model size for your task and hardware and test it on your examples.
  2. DeploymentI deploy it on your server or in a closed network and provide an API.
  3. Fine-tuningI fine-tune it on your data (LoRA) or connect a knowledge base — whichever is cheaper for the task.
  4. IntegrationI connect it to your CRM, ERP, bot, website or team chat and set up monitoring.

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Details

Source: huggingface.co/api/models?author=nvidia&search=fourcastnet. Data checked against the model card on 22 Sep 2026. Have a lawyer review the license before commercial launch.