Agency
NWS — fetched via Iowa Environmental Mesonet (IEM), Iowa State University — a non-official third-party relay
Refresh cadence
every 6 hr
Last successful sync
Pending first sync
Pipelines
mos_sync
Category
Other
About this dataset
Statistical post-processed forecasts for hour-by-hour airport conditions. 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. AI MOS tool for granular forecast windows.
Where this feed reaches
- Continental United States
- Hawaii
- Puerto Rico and the US Virgin Islands
- Guam and the Northern Mariana Islands
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 you'll see it in AeroCopilot
Upstream publisher
www.weather.gov/mdl/AeroCopilot is the canonical pipeline for this dataset inside the product. The link above goes to the upstream publisher for full documentation and data licensing.