091  
ASUS43 KLOT 121956  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
300 PM CDT MON OCT 12 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.
 
 
ILZ001-002-007-009-015-016-024-122100-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
MOLINE MOSUNNY 87 64 46 S15G23 29.74F HX 88 TC 31  

 
 
ILZ003-004-008-010-011-017-018-122100-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ROCKFORD MOSUNNY 86 63 45 S18G25 29.75F HX 87 TC 30  

 
 
ILZ005-006-012>014-019>023-122100-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CHICAGO-OHARE MOSUNNY 87 62 43 SW20G29 29.77F HX 87 TC 31  
CHICAGO-MIDWAY NOT AVBL  
AURORA SUNNY 86 63 45 SW18G30 29.77F HX 87 TC 30  
WAUKEGAN SUNNY 86 65 49 SW16 29.74F HX 88 TC 30  
DUPAGE AIRPORT SUNNY 86 65 49 S17G28 29.78F HX 88 TC 30  
WHEELING SUNNY 87 63 44 SW18G28 29.77F HX 88 TC 31  
NORTHERLY ISL* N/A 85 59 41 S8 N/A HX 84 TC 29  

 
 
LMZ740>746-122100-  
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 79 63 170/ 16/ 23 1007.9F 1/ 1  
WAUKEGAN HARBOR 75 63 210/ 12/ 16 1009.0F 1/ 2  
WILMETTE BUOY 75 170/ 12/ 16 1011.2F 1/ 3  
CHICAGO BUOY 78 63 230/ 12/ 19 1007.7F 1/ 2  
HARRISON CRIB 84 230/ 24/ 26 N/A  
NORTHERLY ISL 85 230/ 8/ 15 N/A  
CALUMET HARBOR 200/ 16/ 19 1009.3  
MICHIGAN CITY 84 200/ 14/ 16 1007.5F  
MICH CITY BUOY 72 63 240/ 8/ 12 N/A 1  
ST. JOSEPH BUOY 71 63 200/ 8/ 10 1010.5F 1/ 3  

 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-122100-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-122100-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
PEORIA NOT AVBL  
SPRINGFIELD MOSUNNY 90 60 36 SW12 29.83F HX 89 TC 32  
TAYLORVILLE NOT AVBL  

 
 
ILZ033-039-045-046-055>057-062-063-122100-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 

 
 
ILZ079-100>102-122100-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
ALTON SUNNY 91 59 33 SW14G23 29.88F HX 90 TC 33  

 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-122100-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS
 
CARBONDALE SUNNY 90 60 36 SW15G29 29.93F HX 89 TC 32  

 
 
ILZ067-068-072-073-078-083-087-091-122100-  
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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