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NWS MOS (Model Output Statistics)

Statistical post-processed forecasts for hour-by-hour airport conditions.

Agency

NWS

fetched via Iowa Environmental Mesonet (IEM), Iowa State University — a non-official third-party relay

Update cadence

Every 6 hours

Category

Other

What we ingest

GFS-MOS forecasts for 106 major airports, covering the full bulletin horizon of 72 hours from each model runtime, ingested via the Iowa Environmental Mesonet (IEM, mesonet.agron.iastate.edu) relay that redistributes the NWS MDL MOS text.

Where this feed reaches

A region on this list means we fetch it. It is not a promise of station density: a listed region can still have sparse or no reporting sites near a given airport. Where a feed does not reach a region at all, this page says so instead of showing an empty panel.

  • Continental United States
  • Hawaii
  • Puerto Rico and the US Virgin Islands
  • Guam and the Northern Mariana Islands

How AeroCopilot uses it

AI MOS tool for granular forecast windows.

Powers these features

The product surfaces below depend on this feed.

AI Copilot

Upstream source: https://www.weather.gov/mdl/

Cite this

Permalink

AeroCopilot — NWS MOS (Model Output Statistics). Data: NWS (https://www.weather.gov/mdl/). https://www.aerocopilot.ai/data-sources/mos-forecast.

Try the AI Copilot with this data

The Copilot has live access to NWS MOS (Model Output Statistics) during every conversation.