197  
NZUS59 KLOT 211001  
HRRLOT  
 
CHICAGO AREA WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 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>023-211100-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
OHARE CLOUDY 61 55 81 E12G21 30.09S  
MIDWAY CLOUDY 60 56 86 E14 30.09R  
AURORA CLOUDY 60 56 86 NE12 30.09R  
LANSING* LGT RAIN 57 56 94 NE9 30.08S  
WAUKEGAN CLOUDY 61 55 81 E15 30.11S  
DUPAGE AIRPORT LGT RAIN 60 55 83 E9 30.09S  
WHEELING CLOUDY 61 55 81 E9G18 30.12R  
NORTHERLY ISL* N/A 61 56 83 NE21 N/A  

 
 
WIZ051-052-058>065-066-070>072-211100-  
SOUTHEAST WISCONSIN  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MILWAUKEE CLOUDY 59 54 83 E14 30.14S  
KENOSHA* CLOUDY 60 54 80 E15G24 30.14S  
RACINE* CLOUDY 60 53 77 E17G23 30.16R  

 
 
INZ001>003-010>013-019-020-211100-  
NORTHWEST INDIANA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
GARY* NOT AVBL  
MICHIGAN CITY* NOT AVBL  
RENSSELAER* NOT AVBL  
VALPARAISO CLOUDY 58 56 93 NE9 30.07S  

 
 
LMZ740>746-211100-  
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 61 60/ 15/ 22 N/A  
CALUMET HARBOR 0930 60 40/ 13/ 19 1018.9F  
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  

 
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page