URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
431 PM CST SAT JAN 12 2013
…WINTRY MIX OF PRECIPITATION MOVING INTO THE AREA…
Temperatures are forecast to reach freezing between 9:00 p.m. and 10:00 p.m. tonight. Less than one inch of snow is forecast in Arlington Heights and the Northwest Suburbs. Freezing rain is likely between 10:00 p.m. and 2:30 a.m. Freezing rain is forecast to return between 6:00 a.m. and 11:00 a.m. Sunday. Sleet likely between 10:00 p.m. Saturday and 5:00 a.m. Sunday. Combined snow and sleet might accumulate more than an inch in some locations. Higher accumulation is expected in the western forecast area near Rockford.
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-LIVINGSTON-
INCLUDING THE CITIES OF…WHEATON…CHICAGO…OTTAWA…OSWEGO…
MORRIS…JOLIET…PONTIAC
431 PM CST SAT JAN 12 2013
…WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
9 AM CST SUNDAY…
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING RAIN… SLEET… AND SNOW… WHICH IS
IN EFFECT FROM 9 PM THIS EVENING TO 9 AM CST SUNDAY.
* TIMING…A MIX OF RAIN…FREEZING RAIN… AND SLEET IS EXPECTED TO
DEVELOP BETWEEN 8 AND 10 PM CST… AND GRADUALLY CHANGE TO A
SLEET SNOW MIX BETWEEN 11 PM AND 2 AM FROM NORTHWEST TO
SOUTHEAST AS TEMPERATURES FALL BELOW FREEZING.
* MAIN IMPACT…SLIPPERY TRAVEL WITH A TENTH OR TWO OF ICE
ACCUMULATION POSSIBLE IN THE HOURS AROUND MIDNIGHT… AND THEN 1
TO 2 INCHES OF SLEET AND SNOW ACCUMULATION AFTER MIDNIGHT TILL
AROUND 4 AM.
* OTHER IMPACTS…SNOW AND SLEET WILL DIMINISH BY 4 AM TO SPOTTY
FREEZING DRIZZLE. SPOTTY FREEZING DRIZZLE WILL CONTINUE TILL
AROUND MID MORNING SUNDAY.
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.
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