403  
NZUS59 KLOT 311056  
HRRLOT  
 
CHICAGO AREA WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
600 AM CDT MON MAR 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 CLOUDY 35 29 78 N15 29.80R WCI 25  
MIDWAY NOT AVBL  
AURORA CLOUDY 35 28 75 N14 29.82R WCI 26  
WAUKEGAN CLOUDY 34 28 79 NW8 29.80R WCI 27  
DUPAGE AIRPORT CLOUDY 35 28 75 NW16 29.81R WCI 25  
WHEELING CLOUDY 35 29 78 N10 29.83R WCI 27  
LEWIS AIRPORT* CLOUDY 37 34 87 NW7G15 29.82R  
NORTHERLY ISL* N/A 37 31 79 N10 N/A  
 
 
WIZ051-052-058>065-066-070>072-311200-  
SOUTHEAST WISCONSIN  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MILWAUKEE CLOUDY 32 25 75 NW13 29.79R WCI 22  
WAUKESHA CLOUDY 30 30 100 CALM 29.82R  
 
 
INZ001>003-010>013-019-020-311200-  
NORTHWEST INDIANA  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
GARY* CLOUDY 37 37 100 N14 29.80R  
MICHIGAN CITY* NOT AVBL  
RENSSELAER* NOT AVBL  
VALPARAISO CLOUDY 36 32 85 N13G20 29.78R HAZE  
 
 
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 37 330/ 18/ 20 N/A  
NORTHERLY ISL 1045 37 330/ 6/ 17 N/A  
CALUMET HARBOR 1006 37 310/ 5/ 10 1007.7  
BURNS HARBOR 1030 36 340/ 8/ 9 1009.1R  
MICHIGAN CITY 1030 36 320/ 21/ 22 1008.0R  
 
 
ABBREVIATIONS USED IN REMARKS  
TC - TEMPERATURE IN CELSIUS  
WCI - WIND CHILL INDEX  
HX - HEAT INDEX  
VSB - VISIBILITY  
 
 
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