A Winter Weather Advisory has been issued for Whiteside, Lee and DeKalb
counties beginning late Thursday night, lasting through Friday morning
as accumulating snow will fall over much of northern Illinois. Winter
Storm Warnings have been issued for portions of Iowa, central and
west-central Illinois as snow totals could add up to over half a foot in
some locations.
The biggest impacts locally will be slick roads
Friday morning as most
of the snow is expected to accumulate on grassy surfaces. A mix of rain
and snow will be possible between 10pm and Midnight, with a changeover
to all snow during the overnight. The bulk of accumulating snow will
arrive between roughly 2am and 7am Friday morning.
Temperatures at the surface will be a few degrees on either side of
freezing - 32 degrees - which will cause roads to become slick during
the early
morning hours. Most of the accumulating snow will be wrapping
up a little after sunrise Friday, with a rain/snow mix likely during
the afternoon. Skies will remain mostly cloudy with temperatures only
reaching the mid 40s.
Areas of fog are possible Friday night before winds shift around to the
southwest during the day on Saturday. This will bring temperatures
into
the mid and upper 50s during the afternoon.
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