091  
ASUS43 KLOT 122156  
RWRIL  
 
ILLINOIS REGIONAL WEATHER ROUNDUP  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
500 PM CDT FRI SEP 12 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.  
 
ILZ001-002-007-009-015-016-024-122300-  
NORTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
MOLINE MOSUNNY 88 61 40 S8 30.05S HX 88 TC 31  
 
 
ILZ003-004-008-010-011-017-018-122300-  
NORTH CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ROCKFORD NOT AVBL  
 
 
ILZ005-006-012>014-019>023-122300-  
NORTHEAST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CHICAGO-OHARE MOSUNNY 83 53 35 S9 30.11S HX 82 TC 28  
CHICAGO-MIDWAY NOT AVBL  
AURORA MOSUNNY 84 57 39 SE10 30.10F HX 83 TC 29  
WAUKEGAN MOSUNNY 79 58 48 SE8 30.13R HX 80 TC 26  
DUPAGE AIRPORT MOSUNNY 83 55 38 SE7 30.11S HX 82 TC 28  
WHEELING MOSUNNY 83 55 38 SE7 30.13S HX 82 TC 28  
 
 
LMZ740>746-122300-  
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 68 67 120/ 6/ 8 1020.8F  
WINTHROP HARBOR 70 68 90/ 2/ 2 N/A 1/ 2  
WAUKEGAN HARBOR 71 69 N/A 1  
WILMETTE BUOY 71 150/ 10/ 14 1022.7R 1/ 2  
CHICAGO BUOY 72 66 80/ 8/ 10 1020.5F 1/ 2  
HARRISON CRIB 73 100/ 12/ 13 N/A  
CALUMET HARBOR 74 50/ 8/ 10 1019.2  
BURNS HARBOR 74 80/ 6/ 8 1020.7F  
MICHIGAN CITY 72 40/ 7/ 8 1019.1F  
MICH CITY BUOY 77 1018.6F  
ST. JOSEPH BUOY 71 71 350/ 8/ 10 1021.5F 1  
 
 
ILZ025>027-034>036-040-047-049-050-058-095>099-122300-  
WEST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ028>032-037-038-041>044-048-051>054-059>061-122300-  
CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
PEORIA NOT AVBL  
SPRINGFIELD SUNNY 89 57 33 E6 30.06F HX 88 TC 32  
TAYLORVILLE NOT AVBL  
 
 
ILZ033-039-045-046-055>057-062-063-122300-  
EAST-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
 
 
ILZ079-100>102-122300-  
SOUTHWEST ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
ALTON SUNNY 90 63 40 SE6 30.07F HX 90 TC 32  
 
 
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-122300-  
SOUTH-CENTRAL ILLINOIS  
 
CITY SKY/WX TMP DP RH WIND PRES REMARKS  
CARBONDALE MOSUNNY 91 59 33 SE6 30.06F HX 90 TC 33  
 
 
ILZ067-068-072-073-078-083-087-091-122300-  
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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