URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
333 PM CST FRI JAN 2 2015
…MIXED PRECIPITATION TO AFFECT NORTHERN ILLINOIS AND NORTHWEST
INDIANA TONIGHT THROUGH EARLY SATURDAY AFTERNOON…
.LOW PRESSURE WILL MOVE NORTHEASTWARD ACROSS NORTHERN INDIANA
SATURDAY BRINGING PERIODS OF MIXED PRECIPITATION TO THE REGION
AHEAD OF IT. A MIX OF SNOW AND SLEET WILL LIFT NORTHWARD TONIGHT
THEN TRANSITION TO FREEZING RAIN AND FREEZING DRIZZLE INTO LATE
SATURDAY MORNING. TEMPERATURES WILL WARM FROM SOUTH TO NORTH
THROUGH EARLY SATURDAY AFTERNOON ALLOWING MIXED AND FROZEN
PRECIPITATION TO TRANSITION TO ALL RAIN AND DRIZZLE…ALSO FROM
SOUTH TO NORTH…FROM MID MORNING THROUGH EARLY AFTERNOON.
LAKE IL-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-LAKE IN-
PORTER-
INCLUDING THE CITIES OF…WAUKEGAN…AURORA…WHEATON…CHICAGO…
OTTAWA…OSWEGO…MORRIS…JOLIET…GARY…VALPARAISO
333 PM CST FRI JAN 2 2015
…WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST SATURDAY…
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER
WEATHER ADVISORY FOR MIXED PRECIPITATION…WHICH IS IN EFFECT
FROM MIDNIGHT TONIGHT TO NOON CST SATURDAY.
* TIMING…LIGHT SNOW AND SLEET WILL MOVE INTO THE AREA LATE
TONIGHT THEN TRANSITION TO FREEZING RAIN AND FREEZING DRIZZLE
AFTER DAYBREAK THROUGH THE MORNING. PRECIPITATION WILL THEN
TRANSITION TO RAIN AND DRIZZLE TOWARD MIDDAY.
* MAIN IMPACT…MINOR SNOW AND SLEET ACCUMULATION IS POSSIBLE
THROUGH DAYBREAK WITH A LIGHT GLAZE OF ICE ACCUMULATION POSSIBLE
FROM DAYBREAK THROUGH LATE MORNING.
* OTHER IMPACTS…SLIPPERY ROADS MAY MAKE TRAVEL HAZARDOUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW…SLEET…OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES…AND USE CAUTION WHILE
DRIVING.
Hazardous Weather Outlook
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
402 PM CST FRI JAN 2 2015
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
032215-
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-
402 PM CST FRI JAN 2 2015 /502 PM EST FRI JAN 2 2015/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS…
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE…TONIGHT.
A WINTRY MIX OF PRECIPITATION IS EXPECTED TO BEGIN OVERNIGHT WITH
MINOR ICE ACCUMULATIONS LIKELY ALONG AND SOUTH OF INTERSTATE 80
AND MINOR SNOW ACCUMULATIONS POSSIBLE NORTHWARD.
.DAYS TWO THROUGH SEVEN…FRIDAY THROUGH WEDNESDAY.
A WINTRY MIX WILL CONTINUE INTO SATURDAY MORNING ACROSS MUCH OF
THE AREA…WHICH INCLUDES MINOR ACCUMULATIONS. THIS IS EXPECTED TO
CONTINUE ACROSS MAINLY NORTH CENTRAL ILLINOIS ON SATURDAY
AFTERNOON AND EVENING. A TRANSITION TO SNOW FOR MUCH OF THE AREA IS
EXPECTED SATURDAY NIGHT AND LASTING INTO EARLY SUNDAY MORNING.
MINOR ACCUMULATIONS ARE FORECAST NORTHWEST OF INTERSTATE 55.
WIND CHILL VALUES ARE EXPECTED TO DROP TO 15 BELOW TO 25 BELOW
ZERO MONDAY MORNING…WEDNESDAY MORNING AND THURSDAY MORNING.
ACCUMULATING SNOW IS POSSIBLE MONDAY NIGHT AND TUESDAY MORNING.
.SPOTTER INFORMATION STATEMENT…
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
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