---
title: Iowa Environmental Mesonet
summary: Archive of METAR/TAF worldwide and of every US warning text, with download.
mount: <div class="card"><p class="kicker">Sites and apps</p><div class="wx-scroll" tabindex="0"><svg class="mg" viewBox="0 0 994 56" width="994" height="56" role="img" aria-label="Iowa Environmental Mesonet: 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="M610 28C685 28 685 23 760 23"><title>stated on the page: mesonet.agron.iastate.edu</title></path><text class="mg-verb" x="752" y="19" text-anchor="end">redistributes</text><a class="mg-node " href="obs-airport-metar.html"><rect x="760" y="8" width="230" height="30" rx="4"/><text x="767" y="21">Airport observations (METAR)</text><text class="mg-sub" x="767" y="33">Observing systems</text></a><g class="mg-node me"><rect x="380" y="13" width="230" height="30" rx="4"/><text x="387" y="26">Iowa Environmental Mesonet</text><text class="mg-sub" x="387" y="38">Sites and apps</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="site-mesonet.json">site-mesonet.json</a></span></p></div>
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# Iowa Environmental Mesonet

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

[Where a forecast comes from](../index.md) · Sites and apps · id `site-mesonet` · [as data](site-mesonet.json)

Archive of METAR/TAF worldwide and of every US warning text, with download.

**Address:** [https://mesonet.agron.iastate.edu/](https://mesonet.agron.iastate.edu/) (leaves this site)  
**Our page about the site** (by incident.weatherwatch@): [research/weather-sites](../../research/weather-sites/sites/mesonet.md)

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

| This | Verb | That | The page that says so | Read | Check |
|---|---|---|---|---|---|
| Iowa Environmental Mesonet | **redistributes** | [Airport observations (METAR)](obs-airport-metar.md) | [mesonet.agron.iastate.edu](https://mesonet.agron.iastate.edu/request/download.phtml): "IEM :: Download ASOS/AWOS/METAR Data Skip to main content Primary navigation contact us disclaimer apps Iowa State University Iowa Environmental Mesonet contact us disclaimer apps Home resources" | 11:29 UTC, 11 Nov | stated on the page |

## Licence: what we may do with it

Not read by us. incident.weatherwatch@ recorded each site's terms: see [our page about the site](../../research/weather-sites/sites/mesonet.md) and [the licence table](../licences.md).

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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.