Found this on weather.com southwest wind is straight out.
Severe Weather Alert from the National Weather Service
...BENTON IN-BOONE IL-COOK IL-DE KALB IL-DUPAGE IL-FORD IL-GRUNDY IL- IROQUOIS IL-JASPER IN-KANE IL-KANKAKEE IL-KENDALL IL-LA SALLE IL- LAKE IN-LAKE IL-LEE IL-LIVINGSTON IL-MCHENRY IL-NEWTON IN-OGLE IL- PORTER IN-WILL IL-WINNEBAGO IL- 400 AM CDT SUN APR 18 2004
... WIND ADVISORY IN EFFECT FROM 12 PM (12 PM EST) THIS AFTERNOON TO 12 AM CDT (12 AM EST) MONDAY...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND ADVISORY FOR NORTH CENTRAL AND NORTHEAST ILLINOIS AS WELL AS NORTHWEST INDIANA.
SOUTHWEST WINDS WILL INCREASE THROUGH THE MORNING HOURS TODAY... AND BY THIS AFTERNOON ARE EXPECTED TO BE SUSTAINED AT NEAR 30 MPH... WITH GUSTS IN THE 45 TO 50 MPH RANGE. STRONG WIND GUSTS CAN BE EXPECTED TO CONTINUE INTO THIS EVENING BEFORE SUBSIDING A BIT AFTER DARK.
IN ADDITION... THE LACK OF ANY SIGNIFICANT RAINFALL OVER THE PAST MONTH OR SO HAS CREATED DROUGHT CONDITIONS. AS A RESULT... THE STRONG SOUTHWEST WINDS MAY CAUSE MINOR REDUCTIONS IN VISIBILITY DUE TO BLOWING DUST... MAINLY IN RURAL AREAS.
A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE 30 TO 40 MPH... OR GUSTS ARE EXPECTED TO RANGE FROM 45 TO 57 MPH. WINDS OF THIS STRENGH MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL WINDS SUBSIDE.
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