Wind Chill Advisory effective tonight; brutal cold, below-zero temps

UPDATED 8:25 a.m. Light snow mainly south of downtown Chicago will continue to taper off over the next couple of hours.

Snowfall reports of around 1.5” has become a little more common across Chicagoland.  The highest amount being reported this morning have come out of Kendall county where 3” of snow has fallen in Yorkville.

Colder air is on its way into the region for the rest of today and temperatures are expected to be in the single digits by early this evening.  A Wind Chill Advisory is in effect from 6PM Wednesday until 5AM Thursday as we could see wind chill values 15 to 25 degrees below zero.

Cold and breezy conditions will continue Thursday with partly sunny skies and highs around 19.

UPDATED 7:17 a.m.

Light snow continues this morning as a Winter Weather Advisory runs until 10AM.

As of 7AM 1.5-1.8” of snow has been reported in parts of Kane and Kendall County.  Many more locations across Chicagoland are reporting snowfall totals of less than 1” and closer to ½”.  Additional amounts of 1 inch are still possible through the mid-morning hours.

After the snow leaves the region we can expect another shot of arctic air.  Temperatures will likely fall into the single digits early this evening with overnight lows expected to fall be zero.  Wind chills overnight may reach 15 to 20 degrees below zero.  A Wind Chill Advisory runs from 6PM until Thursday at 5AM.

We’ll stay breezy and cold Thursday with highs in the upper teens.

UPDATED 6:17 a.m.

A Winter Weather Advisory continues until 10AM as a fast moving clipper system continues to bring light snow to the region.

As of 6AM snowfall totals around ½” have been reported in a handful of locations across northeastern Illinois with a few spots reporting slightly more.  Total amounts of 1-2” are possible with a few localized higher amounts before the snow ends later this morning.

Colder air will follow the snow as temperatures fall into the single digits this evening.  A Wind Chill Advisory is in effect from 6PM until 5AM Thursday.  Wind chills overnight may reach 15 to 20 degrees below zero.

Partly sunny and breezy conditions are expected Thursday with highs in the upper teens.

UPDATED 4:45 a.m.

A Winter Weather Advisory remains in effect until 10 a.m.

Northeastern Illinois isn’t being hit by a huge winter storm, but the timing of the system could cause rather large headaches.

Light snow has already spread across the region with the clipper system, and could fall at a rate of up to one inch per hour during the morning commute.  Accumulations are expected to average between 1 and 3 inches with a few spots possibly picking up as much as 4 inches of snowfall through the mid to late morning.

Once the snow maker moves out more cold air moves in.  Strengthening northwest winds will usher in the cold air as temperatures are expected to fall into the single digits by sundown.

A Wind Chill Advisory goes into effect from Wednesday at 6PM until Thursday at 5AM.

Overnight lows are forecast to drop below zero with wind chills -15 to -20 degrees.  Temperatures won’t rebound much Thursday with highs in the upper teens under partly sunny skies.  Wind chill values will remain around 3-4 degrees.

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