308  
NZUS59 KLOT 171401  
HRRLOT  
 
CHICAGO AREA WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
900 AM CDT SAT MAY 17 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>023-171500-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
OHARE PTSUNNY 56 43 61 W18G26 29.57S  
MIDWAY PTSUNNY 58 42 55 W15G25 29.60R  
AURORA MOSUNNY 57 43 59 W26G36 29.61R  
LANSING* CLOUDY 57 44 63 W20G26 29.62R  
WAUKEGAN CLOUDY 56 45 66 W15G25 29.55R  
DUPAGE AIRPORT MOSUNNY 57 43 59 W23G36 29.59S  
WHEELING CLOUDY 56 43 61 W18G29 29.59R  
MORRIS* PTSUNNY 57 44 61 W22G30 29.64R  
LEWIS AIRPORT* CLOUDY 57 45 62 W16G29 29.63R  
NORTHERLY ISL* N/A 55 42 61 W13 N/A  

 
 
WIZ051-052-058>065-066-070>072-171500-  
SOUTHEAST WISCONSIN  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MILWAUKEE DRIZZLE 52 47 83 W20G31 29.52R  
KENOSHA* CLOUDY 56 46 69 W23G36 29.55R  
RACINE* CLOUDY 55 32 41 W17G33 29.55R  
WAUKESHA CLOUDY 52 50 93 W15G25 29.55R FOG  

 
 
INZ001>003-010>013-019-020-171500-  
NORTHWEST INDIANA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
GARY* PTSUNNY 59 45 58 W17G35 29.60R  
MICHIGAN CITY* NOT AVBL  
RENSSELAER* NOT AVBL  
VALPARAISO PTSUNNY 57 43 59 W22G30 29.61R  

 
 
LMZ740>746-171500-  
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 1330 58 260/ 37/ 43 N/A  
NORTHERLY ISL 1330 54 220/ 14/ 19 N/A  
CALUMET HARBOR 1306 55 250/ 11/ 21 1001.1  
BURNS HARBOR 1340 54 270/ 12/ 13 1003.0R  
MICHIGAN CITY 1330 53 260/ 23/ 26 1000.8R  

 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  

 
 
 
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