557  
NZUS59 KLOT 211356  
HRRLOT  
 
CHICAGO AREA WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
900 AM CDT MON SEP 21 2026  
 
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO  
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.  
 
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT  
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.  
 
ILZ005-006-012>014-019>023-211500-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
OHARE CLOUDY 60 55 83 E12 30.14R  
MIDWAY NOT AVBL  
AURORA CLOUDY 60 56 86 NE12 30.13R  
WAUKEGAN CLOUDY 61 54 77 E18G29 30.17R  
DUPAGE AIRPORT CLOUDY 61 56 83 NE13 30.14R  
WHEELING CLOUDY 61 55 81 E9G21 30.16R  
NORTHERLY ISL* N/A 59 55 87 NE20 N/A  
 
 
WIZ051-052-058>065-066-070>072-211500-  
SOUTHEAST WISCONSIN  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MILWAUKEE CLOUDY 60 53 77 E13 30.20R  
 
 
INZ001>003-010>013-019-020-211500-  
NORTHWEST INDIANA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
GARY* NOT AVBL  
MICHIGAN CITY* NOT AVBL  
RENSSELAER* NOT AVBL  
 
 
LMZ740>746-211500-  
SOUTHERN LAKE MICHIGAN  
 
STATION/POSITION TIME SKY/WX TEMP WIND PRES VSBY  
AIR DIR/SP/G  
(UTC) (F) (DEG/KT/KT) (MB) (MI)  
HARRISON CRIB NOT AVBL  
NORTHERLY ISL 1315 60 60/ 14/ 19 N/A  
CALUMET HARBOR 1306 61 50/ 14/ 18 1020.3  
BURNS HARBOR NOT AVBL  
MICHIGAN CITY NOT AVBL  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
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