The Iowa Environmental Mesonet (IEM) collects environmental data from cooperating members with observing networks. The data are stored and made available on this website.

IEM Daily Feature

+3 Degrees and Warmer

Posted: 14 Jul 2020 05:16 AM, Views: 508
The high temperature for Ames today is expected to be near 90 degrees, which is roughly 3 degrees warmer than the average high for the date. The featured chart presents the frequency of having a daily high or low temperature at least 3 degrees above climatological average for the date. For high temperature, mid to late July has some of the high frequencies shown. It is also interesting to note that this time of year also has some of the largest differences in frequency between high and low temperature.
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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.


Besides point observations of precipitation, the IEM also processes gridded rainfall products made available by NOAA. This information is archived and made available in GIS ready formats.

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Current Data

The IEM combines data from participating networks into products like maps shown above and web applications to analyze the data.

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