The Iowa Environmental Mesonet (IEM) collects environmental data from cooperating members with observing networks. The data are stored and made available on this website.
July Contrasts
Posted: 22 Jul 2026 05:30 AM, Views: 361The featured map presents an accumulated precipitation estimate for July 2026 to date courtesy of NOAA MRMS. A sizable chunk of Iowa is indicated receiving less than two inches so far with another sizable chunk in the six to ten inches and even higher range. An average accumulation for the first third of July is around three inches, so it has been a dry month for some in the state! The heavy precipitation events have been isolated, which is typical this time of year due to reduced storm motions and increased precipitation rates due to elevated atmospheric humidity levels. These precipitation contrasts over short distances can have significant implications for water availability and stress for agricultural crops.
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Denison Hwy 59 Bridge Deck, IA Webcam:
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ISU Network Outage [resolved]
Posted: 12 May 11:06 PM
1 April IEM Outage [resolved]
Posted: 2 Apr 10:55 AM
Tracking TAF Amendments
Posted: 13 Feb 10:28 AM
IEM Archival Update
Posted: 24 Sep 11:07 PM
TAF Archive Fixes
Posted: 22 Aug 7:28 AM
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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.




