First accumulating snow of the season possible in western portions of Chicago overnight

A Winter Weather Advisory is in effect from midnight tonight to 10 am CDT Wednesday for LaSalle, Kendall, Grundy and Livingston counties northwest of I-55 and south of U.S. 34.

This includes the cities of Ottawa, Streator, Peru, La Salle, Mendota, Marseilles, Oswego, Boulder Hill, Yorkville, Plano, Morris, Coal City, Minooka, Pontiac, Dwight, and Fairbury

* …Wet snow expected. Total snow accumulations of 2 to 3 inches, with local amounts up to 4 inches.

* …From midnight tonight to 10 AM CDT Wednesday, with the period of highest snowfall rates between 2 and 7 AM CDT Wednesday.

* …Though accumulations will be on primarily grassy and elevated surfaces, periods of moderate to possibly heavy snow may result in brief slushy conditions on area roadways, especially those that are less traveled.

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