663  
ASUS43 KLOT 161558  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1100 AM CDT TUE SEP 16 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.
 
 
ILZ001-002-007-009-015-016-024-161700-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE SUNNY 79 61 53 CALM 30.20F HX 80 TC 26  

 
 
ILZ003-004-008-010-011-017-018-161700-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD NOT AVBL  

 
 
ILZ005-006-012>014-019>023-161700-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 79 53 40 SE5 30.23F TC 26  
CHICAGO-MIDWAY NOT AVBL  
AURORA SUNNY 79 57 46 SE7 30.24F HX 80 TC 26  
WAUKEGAN SUNNY 78 58 49 SE7 30.25S TC 26  
DUPAGE AIRPORT SUNNY 78 54 43 S5 30.24F TC 26  
WHEELING SUNNY 78 58 49 VRB5 30.25F TC 26  
ROMEOVILLE* SUNNY 77 54 44 SE5 30.25F TC 25  

 
 
LMZ740>746-161700-  
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 67 67 100/ 4/ 6 1024.8S  
WINTHROP HARBOR 70 70 160/ 6/ 8 N/A 1/ 3  
WAUKEGAN HARBOR 70 70 N/A 1/ 3  
WILMETTE BUOY 70 80/ 4/ 8 1027.3R 1/ 3  
CHICAGO BUOY 71 66 60/ 4/ 6 1024.9R 1/ 3  
HARRISON CRIB 70 60/ 6/ 6 N/A  
NORTHERLY ISL 72 50/ 4/ 6 N/A  
CALUMET HARBOR 50/ 6/ 6 1023.2  
BURNS HARBOR 69 40/ 5/ 5 1024.7R  
MICHIGAN CITY 67 30/ 9/ 9 1023.3  
MICH CITY BUOY 69 1022.7R  
ST. JOSEPH BUOY 67 68 330/ 6/ 8 1025.1S 0  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-161700-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-161700-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PEORIA NOT AVBL  
SPRINGFIELD SUNNY 82 61 48 VRB3 30.19F HX 83 TC 28  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-161700-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ079-100>102-161700-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 84 64 51 VRB3 30.18S HX 86 TC 29  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161700-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE SUNNY 82 66 58 VRB3 30.14F HX 84 TC 28  
MARION SUNNY 82 66 57 CALM 30.15S HX 85 TC 28  

 
 
ILZ067-068-072-073-078-083-087-091-161700-  
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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