Dense Fog Alert, Then High Wind Warning; Winds Gusting to 60 MPH Around 9 PM

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Dense fog is forecast to precede high winds which are expected to develop about 5:00 p.m. The air temperature has not reached the forecasted levels this afternoon. Chicago’s official O’Hare International Airport temperature is only 38 degrees at 3:00 p.m. while the forecast called for mid-40s at this time.

The air temperature in Morris, Illinois is 41 degrees and the air temperature in Champaign, Illinois is 52 degrees.

Only another 0.1 inch of rain is forecast for the rest of today for Arlington Heights.

Wind gust are forecast to increase and peak at about 9:00 p.m at 59 MPH. Overnight winds are expected to gust about 40 to 50 MPH overnight and until about 3:00 PM Friday. Winds will start out from the South and gradually shift to the West-Southwest.

URGENT – WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
153 PM CST THU FEB 20 2014

…AREAS OF DENSE FOG THIS AFTERNOON…THEN A PERIOD OF STRONG TO
POTENTIALLY DAMAGING WINDS LIKELY THIS EVENING…

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
153 PM CST THU FEB 20 2014 /253 PM EST THU FEB 20 2014/

…DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CST /8 PM EST/ THIS
EVENING…
…HIGH WIND WARNING REMAINS IN EFFECT FROM 5 PM CST /6 PM EST/
THIS AFTERNOON TO 11 PM CST /MIDNIGHT EST/ THIS EVENING…

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A DENSE FOG
ADVISORY…WHICH IS IN EFFECT UNTIL 7 PM CST / 8 PM EST/ THIS
EVENING.

* TIMING…DENSE FOG HAS MOVED INTO AN AREA FROM RENSSELAER TO
KANKAKEE TO PONTIAC AND MORRIS EARLY THIS AFTERNOON. THIS FOG
WILL CONTINUE TO LIFT NORTH WITH AN INCREASINGLY WARM AND MOIST
AIR MASS. THUNDERSTORMS AND STRONG WINDS ARRIVING WITH A COLD
FRONT LATE THIS AFTERNOON WILL IMPROVE VISIBILITIES BUT BRING A
THREAT OF GUSTS UP TO 60 MPH DURING THE EARLY TO MID EVENING
HOURS.

* WINDS…A PERIOD OF SOUTH TO SOUTHWEST WIND GUSTS AS STRONG AS
50 TO AROUND 60 MPH FOR A TIME THIS EVENING.

* VISIBILITY…LOCALLY ONE QUARTER MILE OR LESS THIS AFTERNOON.

* IMPACTS…DENSE FOG WILL CREATE HAZARDOUS DRIVING CONDITIONS
THIS AFTERNOON. STRONG WINDS THIS EVENING MAY RESULT IN TREE
DAMAGE…EASILY TOSS LIGHTWEIGHT UNSECURED OBJECTS AND MAKE
TRAVEL DANGEROUS FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING…SLOW DOWN…
USE YOUR HEADLIGHTS…AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

Multiple-Injury Crashes occurred on I-57 where fog was present near Monee and Peotone, Illinois about 4:00 p.m. to 5:00 p.m.

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