774  
ASUS43 KLOT 180756  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
300 AM CDT SUN OCT 18 2026  
 
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.
 
 
ILZ001-002-007-009-015-016-024-180900-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE CLEAR 41 32 70 S7 30.39S TC 5  

 
 
ILZ003-004-008-010-011-017-018-180900-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD CLEAR 40 34 79 S6 30.41S TC 4  

 
 
ILZ005-006-012>014-019>023-180900-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE CLEAR 44 35 70 S7 30.41S TC 7  
CHICAGO-MIDWAY NOT AVBL  
AURORA CLEAR 40 36 86 S5 30.42S TC 4  
WAUKEGAN CLEAR 42 36 79 SW10 30.39S TC 6  
DUPAGE AIRPORT CLEAR 42 35 76 S8 30.42S TC 6  
WHEELING MOCLDY 45 35 68 SW8 30.43S TC 7  
NORTHERLY ISL* N/A 46 31 56 SW7 N/A TC 8  

 
 
LMZ740>746-180900-  
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)  
WINTHROP HARBOR 48 56 1023.5R  
WAUKEGAN HARBOR 49 56 220/ 16/ 19 1027.4S 1/ 3  
WILMETTE BUOY 51 170/ 16/ 21 1029.1R 2/ 4  
CHICAGO BUOY 51 58 210/ 14/ 19 1029.0R 1/ 3  
HARRISON CRIB 50 200/ 17/ 19 N/A  
NORTHERLY ISL 47 180/ 6/ 11 N/A  
CALUMET HARBOR 170/ 4/ 5 1030.5  
MICHIGAN CITY 46 180/ 12/ 14 1030.8R  
MICH CITY BUOY 51 60 200/ 16/ 21 N/A 2/ 3  
ST. JOSEPH BUOY 52 59 200/ 16/ 19 1031.4R 3/ 4  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-180900-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-180900-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PEORIA NOT AVBL  
SPRINGFIELD CLEAR 41 33 73 S3 30.46R TC 5  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-180900-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ079-100>102-180900-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CAHOKIA* CLEAR 37 37 100 CALM 30.46S FOG TC 3  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180900-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE CLEAR 38 37 97 CALM 30.48R TC 3  

 
 
ILZ067-068-072-073-078-083-087-091-180900-  
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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