Regional Weather Summary
Issued by NWS Des Moines, IA

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AWUS83 KDMX 212235

Weather Summary for Iowa
National Weather Service Des Moines IA
535 PM CDT Fri Jul 21 2017

A cool front has been draped from west to east across Iowa this
afternoon, slowly sagging southward and reaching the Interstate 80
corridor early this evening. North of the boundary it has been cooler
and mostly cloudy, with scattered showers and thunderstorms and
temperatures only in the 70s to lower 80s. South of the boundary it
has been mostly sunny, very hot and humid with temperatures in the mid
90s to lower 100s and heat index values in the 105 to 115 range at

Scattered thunderstorms will persist through the evening then clear
out overnight. Severe weather will be possible through the evening,
especially across parts of central into eastern Iowa. Saturday will be
hot again across southern and western Iowa but cooler in the north and
northeast, similar to today, with heat index values topping 100
degrees again mainly south of Interstate 80. Thereafter relief is on
the way, as a couple of frontal boundaries will cross the region and
bring relatively cooler weather for several days. On Sunday high
temperatures will range in the lower 80s north to lower 90s south,
then on Monday from the upper 70s to mid 80s. Appreciable rain chances
will not return until around the middle of next week.


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