869  
NZUS59 KLOT 170956  
HRRLOT  
 
CHICAGO AREA WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 AM CDT THU SEP 17 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>023-171100-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
OHARE TSTM 66 65 96 CALM 30.19S  
MIDWAY NOT AVBL  
AURORA LGT RAIN 66 66 100 E6 30.19R FOG  
WAUKEGAN CLOUDY 64 63 96 CALM 30.20S  
DUPAGE AIRPORT TSTM 66 65 96 SE12 30.18F VSB 3/4  
WHEELING CLOUDY 65 65 100 N3 30.22R FOG  
NORTHERLY ISL* N/A 66 64 93 NW2 N/A  

 
 
WIZ051-052-058>065-066-070>072-171100-  
SOUTHEAST WISCONSIN  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MILWAUKEE CLOUDY 63 60 90 CALM 30.21R  

 
 
INZ001>003-010>013-019-020-171100-  
NORTHWEST INDIANA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
GARY* NOT AVBL  
MICHIGAN CITY* NOT AVBL  
RENSSELAER* NOT AVBL  

 
 
LMZ740>746-171100-  
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 0915 67 CALM / 4 N/A  
CALUMET HARBOR 0918 350/ 2/ 3 1022.4  
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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