MORNING PREVIEW: Weather, Traffic Thursday, October 21, 2021

NWS FORECAST: KORD | KPWK | Forecast Graph O’Hare

 O’HARE FORECAST … 

Today: A 20 percent chance of showers. Cloudy, with a high near 56. West southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

Tonight: A 20 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Friday: Mostly sunny, with a high near 56. Northwest wind around 5 mph.

Lingering showers Wednesday with cooler temperatures to close out the
work week.

The upper-level trough and associated surface low continue to push by the area this morning. A cold front pushed through the area yesterday evening, but a second frontal boundary will move through the area this afternoon and bring with it the chance for some additional showers. Highest chances for showers will be along the Illinois-Wisconsin border and along the lake shore, inland areas are expected to remain dry. Winds will turn from westerly to northwesterly behind the front and remain breezy with sustain winds of 10 to 15 mph and gusts upwards of 20 mph.

Once the front clears, cooler temperatures make a return to the area with highs for today and tomorrow topping out in the mid to upper 50s. Lows tonight will be chilly with temperatures dipping into the mid to upper 30s north and west of Arlington Heights and low to mid-40s near the lake and south of I-55. These temperatures along with a moist lower atmosphere and light winds will pose a threat for some patchy frost in north central Illinois. — NWS Chicago

DEW

No dew on grass or vehicles following breezy overnight conditions with gusts over 20 MPH.

Weather Radar shows scattered showers in southern Wisconsin, north of Rockford and in McHenry County. Also some very small areas of showers developing in northeast Illinois at 7:45 a.m.

Arlingtoncardinal.com/clouds | Arlingtoncardinal.com/temps

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WEATHER OBSERVATIONS

NWS CHICAGO

Arlingtoncardinal.com/weather

TRAFFIC

Chicagoland Traffic on Twitter

Northwest Suburbs
Google Traffic Layer | waze map

Arlington Heights North
Google Traffic Layer | waze map

Arlington Heights South
Google Traffic Layer | waze map

Chicagoland
Google Traffic Layer | waze map

Cook County
Google Traffic Layer | waze map

Lake County
Google Traffic Layer | waze map

lakecountypassage.com

McHenry County
Google Traffic Layer | waze map

DuPage County
Google Traffic Layer | waze map

Kane County
Google Traffic Layer | waze map

Will County
Google Traffic Layer | waze map

Flights

flightradar24 DIRECT …
O’Hare | Midway | Chicago Executive | DuPage

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