830  
NZUS59 KLOT 311059  
HRRLOT  
 
CHICAGO AREA WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
600 AM CDT SUN AUG 31 2025  
 
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>023-311200-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
OHARE PTCLDY 56 49 77 N5 30.22S  
MIDWAY NOT AVBL  
AURORA CLEAR 51 48 89 CALM 30.24R  
WAUKEGAN CLEAR 51 47 86 NW3 30.24R  
DUPAGE AIRPORT CLEAR 51 49 92 N3 30.23R  
WHEELING CLEAR 50 49 96 N3 30.25R  
LEWIS AIRPORT* CLEAR 57 55 94 CALM 30.24R  
NORTHERLY ISL* N/A 62 55 77 W3 N/A  
 
 
WIZ051-052-058>065-066-070>072-311200-  
SOUTHEAST WISCONSIN  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MILWAUKEE CLEAR 54 50 86 W6 30.25R  
RACINE* CLEAR 51 50 96 NW6 30.27R  
WAUKESHA CLEAR 48 48 100 CALM 30.28R  
 
 
INZ001>003-010>013-019-020-311200-  
NORTHWEST INDIANA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
GARY* CLEAR 54 54 100 CALM 30.23R  
MICHIGAN CITY* NOT AVBL  
RENSSELAER* NOT AVBL  
 
 
LMZ740>746-311200-  
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 1030 67 110/ 4/ 6 N/A  
NORTHERLY ISL 0945 64 120/ 5/ 6 N/A  
CALUMET HARBOR 1000 59 250/ 1/ 2 1022.3  
BURNS HARBOR 1030 62 180/ 2/ 5 1024.0R  
MICHIGAN CITY 1030 57 140/ 8/ 8 1022.8R  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
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