Regional Weather Summary
Issued by NWS Des Moines, IA

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AWUS83 KDMX 201042

Weather Summary for Iowa
National Weather Service Des Moines IA
442 AM CST Tue Feb 20 2018

A winter storm continued to bring a variety of weather to Iowa
overnight. A surge of moisture northward into the state produce
freezing rain, sleet and even some thunderstorms with several
locations reporting thunder overnight. The freezing rain produced
icing across a good portion of central Iowa with a tenth or two of
accumulation. In far northwest Iowa, precipitation was generally light
snow and in the southeast third of the state, rain was occurring.
Temperatures overnight varied from the mid teens in the far northwest
to the lower 40s in the southeast.

The winter storm will continue to affect the region today with heavy
rain from eastern Missouri into Illinois and Indiana. Farther west,
freezing rain will persist from western Missouri into portions of Iowa
and Wisconsin. The precipitation will slowly shift toward the Ohio
River Valley by tonight as colder air pours across much of the region.
Below normal temperatures are expected on Wednesday throughout the
Midwest as Canadian high pressure moves through the area. Another
round of winter weather is expected by Thursday into early Friday over
the Midwest including Iowa. Light freezing rain and snow are once
again possible in Iowa and surrounding state during this time before
the system departs on Friday. Seasonable temperatures are expected
into the weekend with another round of precipitation possible on
Saturday into early Sunday as an active weather pattern persists.

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