After temperatures set or tied record low temperatures on Monday morning over portions of eastern Iowa, sunshine and warmer air pushed temperatures well into the 70s for the afternoon. Most of eastern Iowa saw a temperature increase by over 40 degrees for the day. The featured map displays the difference between the high and low temperature on Monday along with the year of the previous date with an as large temperature difference. A number of locations have not seen such a strong warm up since 2008. Forest City is shown with the largest change of 49 degrees, which is the locally largest since 2000.

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