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

Top Two Day Rainfall

Posted: 07 Jul 2026 05:30 AM, Views: 475
For the Ames NWS COOP site at the ISU Ag Farm southwest of town, the two day precipitation total from the deluge last week came in third largest on record for the site. The site reported a 24 hour total of 2.17" for the afternoon report on Friday and then 4.20" on Saturday. The heavy rainfall events took a break on Monday for Iowa with Tuesday expected to be mostly dry as well. Storms will return Wednesday and likely produce locally heavy rainfall totals again with ample moisture around and slow storm motions.
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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.

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