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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
345 PM CST SAT DEC 10 2016

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
112145-
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-
345 PM CST SAT DEC 10 2016 /445 PM EST SAT DEC 10 2016/

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

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED:

  SIGNIFICANT SNOW RISK.

DISCUSSION:

SNOW WILL DEVELOP FROM WEST TO EAST BY EARLY EVENING...THEN CONTINUE
HEAVY AT TIMES. SEVERAL INCHES OF ACCUMULATION ARE LIKELY...ESPECIALLY
NORTH OF I-80.

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

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

DISCUSSION:

PERIODS OF SNOW WILL CONTINUE SUNDAY...WITH SEVERAL INCHES OF
ACCUMULATION. THE HIGHEST AMOUNTS ARE EXPECTED ALONG AND NORTH
OF I-80.

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.

&&

$$



Winter Storm Warning

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
339 PM CST SAT DEC 10 2016

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

ILZ006-013-014-022-INZ001-002-110430-
/O.CON.KLOT.WS.W.0005.161211T0000Z-161212T0600Z/
LAKE IL-DUPAGE-COOK-WILL-LAKE IN-PORTER-
INCLUDING THE CITIES OF...WAUKEGAN...WHEATON...CHICAGO...JOLIET...
GARY...VALPARAISO
339 PM CST SAT DEC 10 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
SUNDAY NIGHT...

* TIMING...SNOW...BECOMING HEAVY AT TIMES...WILL DEVELOP BY
  EVENING AND CONTINUE TONIGHT THROUGH SUNDAY BEFORE DIMINISHING
  SUNDAY EVENING.

* SNOW ACCUMULATIONS...7 TO 12 INCHES WITH THE HIGHEST TOTALS
  NORTH OF INTERSTATE 80. 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.

&&

$$



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Page last modified: May 16, 2007
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