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

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Warmest Since Christmas

Posted: 19 Jan 2017 05:34 AM, Views: 19
Temperatures warmed nicely on Wednesday for much of Iowa. The featured map displays the last calendar date with as warm a high temperature that was experienced on 18 Jan 2017. For locations like Ames and Des Moines, you have to go back to Christmas Day 2016 for as warm a high temperature. For Sioux City, you have to go even further back to 4 December 2016! All the locations with the warmest temperature since Christmas are colored red on the map.

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Previous Years' Features

2016: Near Top of Range

2015: Wind Advisories

2012: Been warm up north too

2011: Next storm looks to miss us

2010: Fog, Fog, and more fog

2009: 3+ days below zero

2007: Wind roses

2006: Hard pressed to find snow

2005: Half as deep

2004: Weather Caucus

RADAR Products

The IEM processes National Weather Service NEXRAD information in real-time to produce and archive many products. This includes a generated composite produced every five minutes dating back to 1995!

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Precipitation

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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