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000
WWUS83 KLOT 222118
SPSLOT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
318 PM CST MON DEC 22 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
230200-
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-COOK-
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE IN-PORTER-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
WAUKEGAN...OREGON...DIXON...DEKALB...AURORA...WHEATON...CHICAGO...
OTTAWA...OSWEGO...MORRIS...JOLIET...KANKAKEE...PONTIAC...
WATSEKA...PAXTON...GARY...VALPARAISO...MOROCCO...RENSSELAER...
FOWLER
318 PM CST MON DEC 22 2014 /418 PM EST MON DEC 22 2014/

...SNOW POSSIBLE WEDNESDAY...

A POWERFUL STORM SYSTEM IS FORECAST TO DEVELOP OVER THE LOWER
MISSISSIPPI VALLEY AND LIFT NORTH INTO THE GREAT LAKES REGION ON
WEDNESDAY. THERE ARE STILL CONSIDERABLE UNCERTAINTIES REGARDING
THE EXACT TRACK THE LOW WILL TAKE...WHICH COULD MEAN THE
DIFFERENCE BETWEEN VERY LITTLE PRECIPITATION...RAIN...OR RAIN
CHANGING TO WET SNOW. WHILE UNCERTAINTY REMAINS HIGH AT THIS
POINT...THERE IS SOME POTENTIAL FOR RAIN TO CHANGE TO A PERIOD OF
HEAVY WET ACCUMULATING SNOW OVER PORTIONS OF THE REGION WEDNESDAY.

FOR THOSE WITH HOLIDAY TRAVEL PLANS ON WEDNESDAY...PLEASE BE AWARE
THAT THE POTENTIAL EXISTS FOR HAZARDOUS TRAVEL CONDITIONS. PLEASE KEEP
ABREAST OF LATER FORECASTS AND STATEMENTS ON THIS DEVELOPING STORM
SYSTEM FOR UPDATES.

$$

IZZI

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO





000
WWUS83 KLOT 222118
SPSLOT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
318 PM CST MON DEC 22 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
230200-
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-COOK-
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE IN-PORTER-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
WAUKEGAN...OREGON...DIXON...DEKALB...AURORA...WHEATON...CHICAGO...
OTTAWA...OSWEGO...MORRIS...JOLIET...KANKAKEE...PONTIAC...
WATSEKA...PAXTON...GARY...VALPARAISO...MOROCCO...RENSSELAER...
FOWLER
318 PM CST MON DEC 22 2014 /418 PM EST MON DEC 22 2014/

...SNOW POSSIBLE WEDNESDAY...

A POWERFUL STORM SYSTEM IS FORECAST TO DEVELOP OVER THE LOWER
MISSISSIPPI VALLEY AND LIFT NORTH INTO THE GREAT LAKES REGION ON
WEDNESDAY. THERE ARE STILL CONSIDERABLE UNCERTAINTIES REGARDING
THE EXACT TRACK THE LOW WILL TAKE...WHICH COULD MEAN THE
DIFFERENCE BETWEEN VERY LITTLE PRECIPITATION...RAIN...OR RAIN
CHANGING TO WET SNOW. WHILE UNCERTAINTY REMAINS HIGH AT THIS
POINT...THERE IS SOME POTENTIAL FOR RAIN TO CHANGE TO A PERIOD OF
HEAVY WET ACCUMULATING SNOW OVER PORTIONS OF THE REGION WEDNESDAY.

FOR THOSE WITH HOLIDAY TRAVEL PLANS ON WEDNESDAY...PLEASE BE AWARE
THAT THE POTENTIAL EXISTS FOR HAZARDOUS TRAVEL CONDITIONS. PLEASE KEEP
ABREAST OF LATER FORECASTS AND STATEMENTS ON THIS DEVELOPING STORM
SYSTEM FOR UPDATES.

$$

IZZI

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO






000
WWUS83 KLOT 220814
SPSLOT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
214 AM CST MON DEC 22 2014

ILZ003>005-008-010>012-019-221100-
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-KANE-LA SALLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
OREGON...DIXON...DEKALB...AURORA...OTTAWA
214 AM CST MON DEC 22 2014

...MIX OF LIGHT RAIN OR FREEZING RAIN AND LIGHT SLEET EARLY THIS
MORNING...

AN AREA OF LIGHT RAIN AND FREEZING RAIN...MIXED WITH A LITTLE
LIGHT SLEET AT TIMES...HAS DEVELOPED OVER NORTH CENTRAL ILLINOIS
EARLY THIS MORNING AND IS EXPECTED TO CONTINUE BRIEFLY THROUGH 5
OR 6 AM CST GENERALLY EAST OF INTERSTATE 39 AND INTO THE FAR WEST
AND NORTHWEST CHICAGO SUBURBS. WHILE PRECIPITATION IS EXPECTED TO
REMAIN LIGHT AND NOT ACCUMULATE SIGNIFICANTLY...TEMPERATURES ARE
HOVERING AROUND THE FREEZING MARK AND THIS MAY ALLOW A LIGHT GLAZE
OF ICE TO DEVELOP IN SOME SPOTS. THIS COULD RESULT IN SLICK
ROADS...PARKING LOTS AND SIDEWALKS...ESPECIALLY WHERE SURFACES ARE
UNTREATED. USE CAUTION IF TRAVELING ACROSS NORTH CENTRAL AND
NORTHEAST ILLINOIS EARLY THIS MORNING. PRECIPITATION SHOULD END
BY AROUND SUNRISE...WITH TEMPERATURES THEN RISING ABOVE FREEZING.

$$

RATZER

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO






000
WWUS83 KLOT 220814
SPSLOT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
214 AM CST MON DEC 22 2014

ILZ003>005-008-010>012-019-221100-
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-KANE-LA SALLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
OREGON...DIXON...DEKALB...AURORA...OTTAWA
214 AM CST MON DEC 22 2014

...MIX OF LIGHT RAIN OR FREEZING RAIN AND LIGHT SLEET EARLY THIS
MORNING...

AN AREA OF LIGHT RAIN AND FREEZING RAIN...MIXED WITH A LITTLE
LIGHT SLEET AT TIMES...HAS DEVELOPED OVER NORTH CENTRAL ILLINOIS
EARLY THIS MORNING AND IS EXPECTED TO CONTINUE BRIEFLY THROUGH 5
OR 6 AM CST GENERALLY EAST OF INTERSTATE 39 AND INTO THE FAR WEST
AND NORTHWEST CHICAGO SUBURBS. WHILE PRECIPITATION IS EXPECTED TO
REMAIN LIGHT AND NOT ACCUMULATE SIGNIFICANTLY...TEMPERATURES ARE
HOVERING AROUND THE FREEZING MARK AND THIS MAY ALLOW A LIGHT GLAZE
OF ICE TO DEVELOP IN SOME SPOTS. THIS COULD RESULT IN SLICK
ROADS...PARKING LOTS AND SIDEWALKS...ESPECIALLY WHERE SURFACES ARE
UNTREATED. USE CAUTION IF TRAVELING ACROSS NORTH CENTRAL AND
NORTHEAST ILLINOIS EARLY THIS MORNING. PRECIPITATION SHOULD END
BY AROUND SUNRISE...WITH TEMPERATURES THEN RISING ABOVE FREEZING.

$$

RATZER

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO







000
WWUS83 KLOT 220814
SPSLOT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
214 AM CST MON DEC 22 2014

ILZ003>005-008-010>012-019-221100-
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-KANE-LA SALLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
OREGON...DIXON...DEKALB...AURORA...OTTAWA
214 AM CST MON DEC 22 2014

...MIX OF LIGHT RAIN OR FREEZING RAIN AND LIGHT SLEET EARLY THIS
MORNING...

AN AREA OF LIGHT RAIN AND FREEZING RAIN...MIXED WITH A LITTLE
LIGHT SLEET AT TIMES...HAS DEVELOPED OVER NORTH CENTRAL ILLINOIS
EARLY THIS MORNING AND IS EXPECTED TO CONTINUE BRIEFLY THROUGH 5
OR 6 AM CST GENERALLY EAST OF INTERSTATE 39 AND INTO THE FAR WEST
AND NORTHWEST CHICAGO SUBURBS. WHILE PRECIPITATION IS EXPECTED TO
REMAIN LIGHT AND NOT ACCUMULATE SIGNIFICANTLY...TEMPERATURES ARE
HOVERING AROUND THE FREEZING MARK AND THIS MAY ALLOW A LIGHT GLAZE
OF ICE TO DEVELOP IN SOME SPOTS. THIS COULD RESULT IN SLICK
ROADS...PARKING LOTS AND SIDEWALKS...ESPECIALLY WHERE SURFACES ARE
UNTREATED. USE CAUTION IF TRAVELING ACROSS NORTH CENTRAL AND
NORTHEAST ILLINOIS EARLY THIS MORNING. PRECIPITATION SHOULD END
BY AROUND SUNRISE...WITH TEMPERATURES THEN RISING ABOVE FREEZING.

$$

RATZER

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO






000
WWUS83 KLOT 220814
SPSLOT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
214 AM CST MON DEC 22 2014

ILZ003>005-008-010>012-019-221100-
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-KANE-LA SALLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
OREGON...DIXON...DEKALB...AURORA...OTTAWA
214 AM CST MON DEC 22 2014

...MIX OF LIGHT RAIN OR FREEZING RAIN AND LIGHT SLEET EARLY THIS
MORNING...

AN AREA OF LIGHT RAIN AND FREEZING RAIN...MIXED WITH A LITTLE
LIGHT SLEET AT TIMES...HAS DEVELOPED OVER NORTH CENTRAL ILLINOIS
EARLY THIS MORNING AND IS EXPECTED TO CONTINUE BRIEFLY THROUGH 5
OR 6 AM CST GENERALLY EAST OF INTERSTATE 39 AND INTO THE FAR WEST
AND NORTHWEST CHICAGO SUBURBS. WHILE PRECIPITATION IS EXPECTED TO
REMAIN LIGHT AND NOT ACCUMULATE SIGNIFICANTLY...TEMPERATURES ARE
HOVERING AROUND THE FREEZING MARK AND THIS MAY ALLOW A LIGHT GLAZE
OF ICE TO DEVELOP IN SOME SPOTS. THIS COULD RESULT IN SLICK
ROADS...PARKING LOTS AND SIDEWALKS...ESPECIALLY WHERE SURFACES ARE
UNTREATED. USE CAUTION IF TRAVELING ACROSS NORTH CENTRAL AND
NORTHEAST ILLINOIS EARLY THIS MORNING. PRECIPITATION SHOULD END
BY AROUND SUNRISE...WITH TEMPERATURES THEN RISING ABOVE FREEZING.

$$

RATZER

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO







000
WWUS83 KLOT 210457
SPSLOT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
1057 PM CST SAT DEC 20 2014

ILZ003>005-008-010>012-019-210900-
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-KANE-LA SALLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
OREGON...DIXON...DEKALB...AURORA...OTTAWA
1057 PM CST SAT DEC 20 2014

...AREAS OF DRIZZLE OR FREEZING DRIZZLE TONIGHT...

DRIZZLE IS BEGINNING TO DEVELOP ACROSS PORTIONS OF NORTH CENTRAL
ILLINOIS LATE THIS EVENING...AND IS EXPECTED TO CONTINUE AT TIMES
THROUGH THE NIGHT. TEMPERATURES ACROSS THE AREA ARE HOVERING NEAR
OR JUST BELOW FREEZING...THEREFORE THERE IS A GOOD POSSIBILITY
THAT SOME AREAS COULD EXPERIENCE A LIGHT GLAZE OF ICE...WHICH
COULD LEAD TO VERY SLICK ROADS...ESPECIALLY ON UNTREATED SURFACES.
TEMPERATURES ARE EXPECTED TO HOLD STEADY RIGHT AROUND FREEZING
THROUGH THE NIGHT...SO IF TRAVEL IS PLANNED TONIGHT ACROSS NORTH
CENTRAL ILLINOIS BE ALERT FOR THE POTENTIAL OF SLICK ROADS.
CONDITIONS SHOULD IMPROVE EARLY SUNDAY MORNING AS TEMPERATURES
WARM ABOVE FREEZING.

$$

KJB

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO






000
WWUS83 KLOT 210457
SPSLOT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
1057 PM CST SAT DEC 20 2014

ILZ003>005-008-010>012-019-210900-
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-KANE-LA SALLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
OREGON...DIXON...DEKALB...AURORA...OTTAWA
1057 PM CST SAT DEC 20 2014

...AREAS OF DRIZZLE OR FREEZING DRIZZLE TONIGHT...

DRIZZLE IS BEGINNING TO DEVELOP ACROSS PORTIONS OF NORTH CENTRAL
ILLINOIS LATE THIS EVENING...AND IS EXPECTED TO CONTINUE AT TIMES
THROUGH THE NIGHT. TEMPERATURES ACROSS THE AREA ARE HOVERING NEAR
OR JUST BELOW FREEZING...THEREFORE THERE IS A GOOD POSSIBILITY
THAT SOME AREAS COULD EXPERIENCE A LIGHT GLAZE OF ICE...WHICH
COULD LEAD TO VERY SLICK ROADS...ESPECIALLY ON UNTREATED SURFACES.
TEMPERATURES ARE EXPECTED TO HOLD STEADY RIGHT AROUND FREEZING
THROUGH THE NIGHT...SO IF TRAVEL IS PLANNED TONIGHT ACROSS NORTH
CENTRAL ILLINOIS BE ALERT FOR THE POTENTIAL OF SLICK ROADS.
CONDITIONS SHOULD IMPROVE EARLY SUNDAY MORNING AS TEMPERATURES
WARM ABOVE FREEZING.

$$

KJB

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO







000
WWUS83 KLOT 210457
SPSLOT

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
1057 PM CST SAT DEC 20 2014

ILZ003>005-008-010>012-019-210900-
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-KANE-LA SALLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
OREGON...DIXON...DEKALB...AURORA...OTTAWA
1057 PM CST SAT DEC 20 2014

...AREAS OF DRIZZLE OR FREEZING DRIZZLE TONIGHT...

DRIZZLE IS BEGINNING TO DEVELOP ACROSS PORTIONS OF NORTH CENTRAL
ILLINOIS LATE THIS EVENING...AND IS EXPECTED TO CONTINUE AT TIMES
THROUGH THE NIGHT. TEMPERATURES ACROSS THE AREA ARE HOVERING NEAR
OR JUST BELOW FREEZING...THEREFORE THERE IS A GOOD POSSIBILITY
THAT SOME AREAS COULD EXPERIENCE A LIGHT GLAZE OF ICE...WHICH
COULD LEAD TO VERY SLICK ROADS...ESPECIALLY ON UNTREATED SURFACES.
TEMPERATURES ARE EXPECTED TO HOLD STEADY RIGHT AROUND FREEZING
THROUGH THE NIGHT...SO IF TRAVEL IS PLANNED TONIGHT ACROSS NORTH
CENTRAL ILLINOIS BE ALERT FOR THE POTENTIAL OF SLICK ROADS.
CONDITIONS SHOULD IMPROVE EARLY SUNDAY MORNING AS TEMPERATURES
WARM ABOVE FREEZING.

$$

KJB

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO






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