Rain changing to snow after 3:00 p.m. and then about 2-4 inches of snow are expected to fall during daytime hours. At night another 1-2 inches forecast with most of the snow falling by 9:00 p.m. Snow showers forecast during the day on Saturday.
URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1029 AM CST FRI MAR 2 2012
…A PERIOD OF HEAVY SNOWFALL EXPECTED ACROSS FAR NORTHERN
ILLINOIS LATE THIS AFTERNOON AND THIS EVENING…
.A RAPIDLY DEVELOPING STORM SYSTEM WILL LIFT NORTHEASTWARD
THROUGH CENTRAL ILLINOIS BY AROUND NOON. AS THE SYSTEM CONTINUES
TO THE NORTHEAST…THROUGH NORTHERN INDIANA AND INTO SOUTHERN
LOWER MICHIGAN…IT WILL RAPIDLY DEEPEN AS COLDER AIR IS DRAWN INTO
THE SYSTEM. RAIN OVERSPREADING THE AREA WILL TRANSITION OVER TO
SNOW AND A RAIN SNOW MIX BY MID AFTERNOON AND ALL SNOW BY LATE
THIS AFTERNOON AND EARLY EVENING. THERE IS THE POSSIBILITY OF
SNOWFALL RATES ONE INCH PER HOUR. STRONG NORTHERLY WINDS ARE ALSO
EXPECTED TO DEVELOP AS THE SYSTEM INTENSIFIES. THE SNOW WILL TAPER
OFF THIS EVENING AS THE MAIN LOW PRESSURE SYSTEM PULLS OFF TO THE
NORTHEAST.
ILZ013-014-030030-
/O.NEW.KLOT.WW.Y.0007.120302T2100Z-120303T0600Z/
DUPAGE-COOK-
INCLUDING THE CITIES OF…WHEATON…CHICAGO
1029 AM CST FRI MAR 2 2012
…WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT CST TONIGHT…
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW…WHICH IS IN EFFECT FROM 3 PM THIS
AFTERNOON TO MIDNIGHT CST TONIGHT.
* TIMING…RAIN WILL CHANGE TO SNOW ACROSS DUPAGE AND NORTHERN
COOK COUNTY LATE THIS AFTERNOON. THE SNOW WILL CONTINUE THIS
EVENING BEFORE TAPERING OFF BY LATE EVENING.
* ACCUMULATIONS…TOTAL SNOW ACCUMULATIONS WILL VARY WIDELY ACROSS
COOK COUNTY. ACROSS NORTHERN COOK COUNTY 3 TO 5 INCHES ARE
EXPECTED. AMOUNTS WILL DROP QUICKLY TO AN INCH OR TWO IN THE
CITY OF CHICAGO…AND UNDER AN INCH ACROSS FAR SOUTHERN COOK
COUNTY.
* MAIN IMPACT…THE SNOW MAY BE HEAVY AT TIMES. THIS WILL ALLOW
SNOW TO QUICKLY ACCUMULATE ON AREA ROADS MAKING TRAVEL HAZARDS BY
LATE THIS AFTERNOON AND INTO THE EVENING.
* OTHER IMPACTS…DUE TO THE HIGH LIQUID CONTENT OF THE SNOW…
THOSE WITH HEALTH CONCERNS SHOULD USE CAUTION WHEN SHOVELING.
THE HEAVY WET SNOW MAY ALSO LEAD TO WEIGHTED DOWN BRANCHES AND
POWER LINES.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES…AND USE CAUTION WHILE
DRIVING.
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