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2 products issued by NWS for: Chicago IL
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Winter Storm Warning

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1055 AM CST SAT DEC 10 2016

...SIGNIFICANT SNOWFALL EXPECTED TONIGHT THROUGH SUNDAY
EVENING...

ILZ006-013-014-022-INZ001-002-110100-
/O.UPG.KLOT.WW.Y.0009.161211T0000Z-161212T0400Z/
/O.NEW.KLOT.WS.W.0005.161211T0000Z-161212T0600Z/
LAKE IL-DUPAGE-COOK-WILL-LAKE IN-PORTER-
INCLUDING THE CITIES OF...WAUKEGAN...WHEATON...CHICAGO...JOLIET...
GARY...VALPARAISO
1055 AM CST SAT DEC 10 2016

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT CST SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO MIDNIGHT CST SUNDAY NIGHT. THE WINTER WEATHER ADVISORY
IS NO LONGER IN EFFECT.

* TIMING...EXPECT SNOW TO DEVELOP BY EARLY THIS EVENING AND THEN
  DIMINISH SUNDAY EVENING.

* SNOW ACCUMULATIONS...THE HEAVIEST TOTALS ARE EXPECTED ALONG AND
  NORTH OF INTERSTATE 88 WHERE STORM TOTALS OF 8 TO 12 INCHES ARE
  LIKELY BY SUNDAY EVENING. SOUTH OF INTERSTATE 88 TO THE I-80
  CORRIDOR TOTALS OF 6 TO 10 INCHES ARE EXPECTED BY SUNDAY
  EVENING. ISOLATED HIGHER AMOUNTS ARE POSSIBLE.

* VISIBILITIES...LOOK FOR REDUCED VISIBILITIES DURING THE
  HEAVIER SNOWFALL...LIKELY BELOW A MILE AT TIMES.

* IMPACTS...PLAN ON DIFFICULT DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$



Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
426 AM CST SAT DEC 10 2016

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
111030-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
426 AM CST SAT DEC 10 2016 /526 AM EST SAT DEC 10 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TODAY AND TONIGHT.

WEATHER HAZARDS EXPECTED:

  ELEVATED SNOW RISK.

DISCUSSION:

SNOW WILL DEVELOP LATE AFTERNOON OR EARLY THIS EVENING AND
CONTINUE TONIGHT WITH SEVERAL INCHES OF ACCUMULATION
LIKELY...ESPECIALLY NORTH OF I-80.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

SUNDAY...
  ELEVATED SNOW RISK.
MONDAY...
  LIMITED EXCESSIVE COLD RISK.
TUESDAY...
  ELEVATED EXCESSIVE COLD RISK.
  LIMITED SNOW RISK.
WEDNESDAY AND THURSDAY...
  SIGNIFICANT EXCESSIVE COLD RISK.
FRIDAY...
  ELEVATED EXCESSIVE COLD RISK.

DISCUSSION:

AN EXTENDED PERIOD OF VERY COLD WEATHER WITH SUB ZERO WIND CHILLS
IS EXPECTED TUESDAY THROUGH FRIDAY. THE MOST INTENSE COLD IS
LIKELY WEDNESDAY NIGHT AND THURSDAY MORNING WHEN WIND CHILLS OF
COLDER THAN 20 BELOW ZERO ARE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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