The Iowa Environmental Mesonet (IEM) collects environmental data from cooperating members with observing networks. The data are stored and made available on this website.
Remembering 9/11
The fateful day of September 11th, 2001 is a distant memory for some, a constant nightmare for others and an unexperienced event for most college age students and younger. May we all not forget the ultimate sacrifice many made that day and the years that followed.
© Gordon Donovan/Yahoo News
5 Sep NWS Data Outage
Posted: 5 Sep 2:03 PM
4 Sep ISU Network Issue [resolved]
Posted: 4 Sep 11:03 AM
12 Aug Service Degradation [resolved]
Posted: 12 Aug 6:13 AM
MRMS Archive Downsizing
Posted: 9 Aug 4:15 PM
26-27 July 2026 Record Dew Points
Posted: 27 Jul 8:08 PM
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Soil Temperatures
Data from the Iowa State Soil Moisture Network is found on this website and daily soil temperature averages are used to produce the highlighted analysis.
Current Data
The IEM combines data from participating networks into products like maps shown above and web applications to analyze the data.