Winter Storm Warning extended to 6PM for parts of Chicago area

CHICAGO -- The Winter Storm Warning has been extended until 6 p.m. today for much of the Chicago area.

Additional snow is developing across NW Illinois, and will drift eastward across much of NE Illinois and NW Indiana through this afternoon. (counties highlighted below in bright pink)

Snow will be diminishing/ending from the north and west this Friday morning with an additional 2 to 5-inches accumulation likely.

Heaviest snowfall seems to have occurred between the Interstate-88/290 and Interstate-80 corridors, where 6 to 8-inches have fallen with more on the way. It is still possible storm totals could reach a foot or a little more at some locations before snow ends along this heavier snow band.

Over the remainder of the Chicago counties along and north of Interstate-80 snowfall as of 6AM CST looks to be in the 4 to 6-inch range with totals between 6 and 9-inches likely before snow ends from the west and north later this morning. Roads will be snow-covered and slick with slow travel times expected.

More snow is on the way – beginning later tonight into Saturday morning and again Saturday night into Sunday morning, in each case an additional 1 to 3-inches of snow could accumulate.

Some snowfall reports as of 6AM CST...

Woodstock...6.2
Lemont...6.0
Capron...6.0
Rockford...5.6
Gurnee...5.0
Highwood...5.0
MIdway...4.8
O'Hare...4.6
Downers Grove...4.5
St. Charles...4.5
Glenview...4.4
Elk Grove Village...4.3
Romeoville...4.2

Slide-offs and crashes were reported on the roads early Friday in the Chicago and Detroit areas. American, United and Southwest airlines warned travelers to expect more flight cancellations to and from Minnesota, Michigan, Wisconsin, Illinois, Indiana and Ohio.

Chicago Department of Streets and Sanitation Commissioner John Tully said 300 salt-spreading plows hit the streets late Thursday and would continue their work through Friday.

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CHICAGO -- The Winter Storm warning for heavy snow accumulating up to a foot, possibly more in spots over Chicago area counties along and north of Interstate-80 has been moved up to noon CST Friday.

Moderate to heavy snow should continue to fall over the warned area into Friday morning, gradually diminishing from the west.

Most of the snowfall should be east of our area by midday. With diminished snow/flurries and  temperatures in the 20s Friday afternoon, melting will be minimal on untreated roads and streets, making driving still slow and difficult in many areas.

However additional accumulating snow will likely follow up with a wide band of snow expected to surge back over our area from the southwest Friday night into Saturday morning, adding perhaps several inches and causing another round of snow-covered roads and slow/dangerous travel conditions.

After a possible break in snowfall Saturday afternoon/evening, yet a third accumulating snow could occur later Saturday night into Sunday. By afternoon Sunday snow should have ended from the west, perhaps leaving up to a foot and a half of snow cover in some parts of the Chicago area.

Map of Forecast Area