189  
ASUS43 KLOT 220956  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 AM CDT TUE JUL 22 2025  
 
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO  
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY
.  
 
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT  
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
 
 
ILZ001-002-007-009-015-016-024-221100-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOCLDY 70 70 100 E5 30.00S TC 21  

 
 
ILZ003-004-008-010-011-017-018-221100-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD NOT AVBL  

 
 
ILZ005-006-012>014-019>023-221100-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOCLDY 69 64 84 E3 30.06S TC 21  
CHICAGO-MIDWAY NOT AVBL  
AURORA PTCLDY 67 63 87 E3 30.05F FOG TC 19  
WAUKEGAN MOCLDY 65 61 87 E6 30.07S TC 18  
DUPAGE AIRPORT PTCLDY 69 64 84 E7 30.06S TC 21  
WHEELING PTCLDY 68 65 90 CALM 30.08S TC 20  
NORTHERLY ISL* N/A 69 67 93 CALM N/A TC 21  

 
 
LMZ740>746-221100-  
SOUTHERN LAKE MICHIGAN  
 
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
 
AIR SEA DIR/SP/G HT/PER  
(F) (DEG/KT/KT) (MB) (MI) (FT/S)  
S. MID LAKE BUOY 71 71 160/ 10/ 12 1018.6R  
WINTHROP HARBOR 69 69 10/ 2/ 4 N/A 1/ 4  
WAUKEGAN HARBOR 70 70 20/ 4/ 6 N/A 1  
WILMETTE BUOY 70 130/ 2/ 4 1020.2S 1/ 4  
CHICAGO BUOY 73 72 160/ 4/ 10 1018.6F 1/ 3  
HARRISON CRIB 77 110/ 6/ 7 N/A  
NORTHERLY ISL 69 30/ 1/ 2 N/A  
CALUMET HARBOR 72 130/ 3/ 5 1017.4  
BURNS HARBOR 71 140/ 5/ 7 1019.3S  
MICHIGAN CITY 68 130/ 7/ 9 1017.7R  
MICH CITY BUOY 71 74 120/ 12/ 14 1017.7R 1/ 4  
ST. JOSEPH BUOY 69 76 100/ 14/ 17 1019.9R 1  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-221100-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-221100-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PEORIA NOT AVBL  
SPRINGFIELD CLOUDY N/A N/A N/A E5 30.01S FOG  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-221100-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MATTOON FOG 72 72 100 CALM 30.03S VSB 1/2 TC 22  

 
 
ILZ079-100>102-221100-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221100-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLEAR 75 75 100 CALM 30.00R FOG TC 24  
MT. VERNON CLEAR 72 72 100 CALM 30.01S FOG TC 22  

 
 
ILZ067-068-072-073-078-083-087-091-221100-  
SOUTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

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

 
 
 
 
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