UPDATE 11:00AM: Light snow and freezing drizzle will return to the Chicago area as moisture wraps around a weakening low pressure system moving across northern Illinois. A Winter Weather Advisory remains in effect for most of the metro area until 6PM this evening.
With temperatures below freezing, icing is likely on untreated surfaces this afternoon where the freezing drizzle is most prevalent.
UPDATE 9:30AM: Low pressure centered over Moline, Illinois at this hour will continue to weaken as it tracks northeast over Chicago this afternoon. This will mean a return of light snow or perhaps some freezing drizzzle later today. Additional snow accumulation is expected to be 1/2 inch or less with the exception of some northern suburbs, where up to an inch of snow could fall.
BELOW: Here is the latest snowfall projection from 10AM until 6:30PM today off our in-house computer model the RPM
UPDATE 8:30AM: While the threat of moderate to heavy snow is over, light snow and/or freezing drizzle is expected to wrap back into the Chicago area late this morning and this afternoon. Any additional snow accumulation is expected to be 1/2″ or less.
A Winter Weather Advisory is in effect until 6PM for most of the Chicago area.
UPDATE 8:15AM: The WGN Traffic Center is telling me expressway conditions have improved dramatically since 5:00AM. Pavement conditions on most Chicago area expressways are wet with slushy spots. Secondary highways are starting to improve also, but untreated roads remain very slick and treacherous.
At O’Hare, 270 flights have been canceled with delays averaging 90 minutes.
At Midway, 30 flights have been canceled with delays averaging 15 minutes or less.
UPDATE 7:30AM: While the accumulating snow has ended for most of the Chicago area, the residual effects continue.
- Dozens of accidents and spinouts have been reported throughout northern Illinois and northwest Indiana.
- Chicago’s O’Hare airport is experiencing delays of one to two hours for arriving flights.
Road conditions are expected to steadily improve as road crews continue to clean up the two to four inches of snow that fell overnight.
6:40AM: Snowfall reports continue to stream into the WGN Weather Center this morning. In general, most of the Chicago area is waking up to between two and four inches of snow.
Here are the latest tallies as of 6:30AM:
5.0″ Woodstock, IL
4.0″ Crown Point, IN
3.8″ Huntley, IL
3.8″ Milwaukee, WI
3.5″ Lake Villa, IL
3.4″ Chicago- Wrigley Field
3.2″ Arlington Heights
3.2″ Plainfield, IL
3.1″ Chicago- Midway Airport
3.0″ Oak Park, IL
2.7″ Chicago- O’Hare Airport
2.7″ Mokena, IL
2.5″ Schaumburg, IL
2.4″ Orland Hills, IL
2.1″ Lakes Of The Four Seasons, IN
2.0″ Chesterton, IN
2.0″ Diamond, IL
1.9″ Park Ridge, IL
1.6″ Kankakee, IL