A Winter Weather Advisory has been issued for Winnebago, Boone, McHenry,
Ogle, Lee and DeKalb counties until 4am Monday morning. Light snow has
been moving across northwest Illinois Sunday evening, lifting into
southern Wisconsin as low pressure moves across Iowa. Most of the snow
will fall over Wisconsin, where accumulations of a couple inches are
possible by morning.
Closer to the Stateline accumulations of up to an
inch are possible, but
mostly across far northwest Illinois from parts of Jo Daviess and
Stephenson counties, and then into southwest Wisconsin. As this system
lifts to the north, drier air in the middle part of the atmosphere may
lead to the development of freezing drizzle during the night. The
greatest impacts will be on untreated and elevated surfaces as those
could become slick, as well as parking lots and sidewalks. You may also
notice some ice on your cars in the morning if you left them outside.
Temperatures will warm
above freezing mid to late morning Tuesday,
ending the threat for any frozen precipitation.
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