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

'18-'19 Winter Storm #1

Posted: 15 Oct 2018 07:55 AM, Views: 245
Tags:   winter1819  
Well, here we are, the middle of October and already accumulating our first snowfall of the season. This event comes painfully early after a very snowy April making for one of the shortest periods between the last spring snowfall and first fall snowfall. The largest snowfall totals were isolated to far northwestern Iowa and near Omaha. This snow won't last long as soils are still rather warm and sunshine is expected today. Considering that our average high temperatures should be near 60 degrees, this current weather is not typical for mid October!
Rate Feature

Previous Years' Features
Worth County I 35 Sensor, IA Webcam:
News Items  

IEM Climodat Expansion
Posted: 04 Sep 01:09 PM

New Webcam: Guttenberg
Posted: 26 Jun 12:22 PM

Website Updates
Posted: 31 May 02:49 PM

New AWOS: Hampton (KHPT)
Posted: 04 May 10:00 AM

New Webcam: Marengo
Posted: 27 Apr 08:42 PM

Sign up for the Daily Bulletin

Current Website Performance:
Bandwidth: 14.6 MB/s
Requests/Second: 2,301

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.

Download Precipitation for GIS »

Current Data

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

More current products »


ISU Agronomy
IIHR - University of Iowa